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Heathrow Airport
stratford road w west e.g.walrus road c centre e.g.camborne road.flight movements aircraft destined heathrow usually routed one four holding points.air traffic controllers heathrow approach control based swanwick hampshire guide aircraft final approach merging aircraft four holds single stream traffic sometimes close .nautical miles .
Heathrow Airport
km .mi apart.considerable use made continuous descent approach techniques minimize environmental effects incoming aircraft particularly night.aircraft established final approach control handed heathrow tower.when runway alternation introduced aircraft generated significantly noise departure landing preference westerly operations daylight introduced continues day.mode aircraft take towards west land east london thereby minimizing impact noise densely populated areas.
Heathrow Airport
heathrows two runways generally operate segregated mode whereby landings allocated one runway takeoffs other.reduce noise nuisance people beneath approach departure routes use runways r l swapped day wind west.landings easterly alternation l remains landing runway r takeoff runway due legacy rescinded cranford agreement pending taxiway works allow roles reversed.occasionally landings allowed nominated departure runway help reduce airborne delays position landing aircraft closer terminal reducing taxi times.nighttime flights heathrow subject restrictions.noisiest aircraft rated qc qc cannot scheduled operation.
Heathrow Airport
also night quota period – four limitsa limit number flights alloweda quota count system limits total amount noise permitted allows operators choose operate fewer noisy aircraft greater number quieter planesqc aircraft cannot scheduled operation.a voluntary agreement airlines early morning arrivals scheduled land .a trial noise relief zones ran december march concentrated approach flight paths defined areas compared existing paths spread out.zones used alternated weekly meaning residents nofly areas received respite aircraft noise set periods.however concluded residents areas experienced significant disbenefit result trial therefore taken forward current form.heathrow received noise complaints three months summer around half made ten people.in heathrow introduced fly quiet green quarterly published league table currently suspended due covid pandemic awards points busiest airlines airport ostensibly based performance relative across range environmental benchmarks nox emissions.heathrow acknowledged attempted refute ongoing criticism discrepancies lack transparency around way figures manipulated.
Heathrow Airport
airport always refused publish breakdown showing many fly quiet points performance benchmark contributed towards total score awards airline thereby putting obstacles way independent auditing published results.among criticisms league table unexplained omission poorer performers among busiest airlines emphasis relative rather absolute performance airline could well improve fly quiet score quarteronquarter even environmental performance fact worsened period.arrival stacks inbound aircraft london heathrow airport typically follow one number standard arrival routes stars.stars terminate one four different rnav waypoints also define four stacks aircraft held necessary cleared begin approach land.stacks sections airspace inbound aircraft normally use pattern closest arrival route.
Heathrow Airport
visualised invisible helter skelters sky.stack descends ft intervals ft ft m. aircraft hold feet feet foot intervals.holds become full aircraft held distant points cleared onward one four main holds.the following four stacks currently placethe bovingdon stack bnn arrivals north west.extends village bovingdon town chesham uses rnav waypoint bnn situated former raf bovingdon airfield.the biggin hill stack big south east edge greater london arrivals south east.uses rnav waypoint big situated london biggin hill airport.the lambourne stack lam essex arrivals north east.
Heathrow Airport
uses rnav waypoint lam situated adjacent stapleford aerodrome.the ockham stack ock surrey arrivals south west.uses rnav waypoint ock situated former wisley airfield.third runway september government united kingdom established airports commission independent commission chaired sir howard davies examine various options increasing capacity uk airports.july commission backed third runway heathrow government approved october .however england wales court appeal rejected plan third runway heathrow basis government failed consider climate change environmental impact aviation.
Heathrow Airport
december u.k. supreme court lifted ban third runway expansion allowing construction plan go ahead.regulation required sell gatwick stansted airports heathrow airport holdings held dominant position london aviation market heavily regulated civil aviation authority caa much charge airlines land.annual increase landing charge per passenger capped inflation minus april .charges increased inflation plus .per year taking fee £.
Heathrow Airport
per passenger .march caa announced charge would allowed increase .£.april inflation plus .following four years.
Heathrow Airport
april caa announced proposal heathrow charge fees calculated inflation minus .continuing .whilst cost landing heathrow determined caa heathrow airport holdings allocation landing slots airlines carried airport coordination limited acl.until air traffic heathrow united states strictly governed countries bilateral bermuda ii treaty.treaty originally allowed british airways pan twa fly heathrow us.pan twa sold rights united airlines american airlines respectively virgin atlantic added list airlines allowed operate routes.
Heathrow Airport
bermuda bilateral agreement conflicted right establishment united kingdom concerning eu membership consequence uk ordered drop agreement .new open skies agreement signed united states european union april came effect march .shortly afterward additional us airlines including northwest airlines continental airlines us airways delta air lines started services heathrow.the airport criticised recent years overcrowding delays according heathrow airport holdings heathrows facilities originally designed accommodate million passengers annually.number passengers using airport reached record million .airport voted worlds least favourite alongside chicago ohare tripadvisor survey.
Heathrow Airport
however opening terminal relieved pressure terminal facilities increasing airports terminal capacity million passengers per year.tieup also place mclaren applied technologies optimize general procedure reducing delays pollution.with two runways operating capacity heathrow little room flights although increasing use larger aircraft airbus allow increase passenger numbers.difficult existing airlines obtain landing slots enable increase services airport new airlines start operations.increase number flights heathrow airport holdings proposed using existing two runways mixed mode whereby aircraft would allowed take land runway.would increase airports capacity current movements per year many according british airways ceo willie walsh.
Heathrow Airport
heathrow airport holdings also proposed building third runway north airport would significantly increase traffic capacity.security policing airport responsibility aviation security unit metropolitan police although army including armoured vehicles household cavalry occasionally deployed airport periods heightened security.full body scanners used airport passengers object use selected required submit hand search private room.scanners display passengers bodies cartoonstyle figure indicators showing concealed items may be.for many decades heathrow reputation theft baggage baggage handlers.led airport nicknamed thiefrow periodic arrests baggage handlers.
Heathrow Airport
following widespread disruption caused reports drone sightings gatwick airport subsequent incident heathrow drone detection system installed airportwide attempt combat possible future disruption caused illegal use drones.terminals terminal usage covid pandemic heathrow airport terminals total gates able support wide body aircraft gates able support airbus a. heathrow saw vast reduction services announced april airport would transitioning single runway operations would temporarily closing terminals moving remaining flights terminals .dual runway operations restored august .heathrow returned single runway operations november .december heathrow announced terminal would shut end .
Heathrow Airport
terminal reopened use virgin atlantic delta july .terminal airports newest terminal officially known queens terminal opened june gates.designed spanish architect luis vidal built site occupied original terminal queens building.main complex completed november underwent six months testing opening passengers.includes satellite pier tb space car park cooling station generate chilled water.
Heathrow Airport
shops bars restaurants.terminal used star alliance members fly heathrow consolidating airlines star alliances colocation policy move one roof.aer lingus eurowings icelandair also operate terminal.airlines moved original locations six months flights operating first six weeks united airlines transatlantic flights avoid opening problems seen terminal .june united airlines became first airline move terminal terminals followed nippon airways air canada air china terminal .air new zealand asiana airlines croatia airlines lot polish airlines south african airways tap air portugal moved october .
Heathrow Airport
august jetblue began operating flights terminal.the original terminal opened europa building airports oldest terminal.area sq ft designed handle around .million passengers annually.final years accommodated million.total million passengers passed terminal lifetime.
Heathrow Airport
building demolished along queens building housed airline company offices.terminal terminal opened oceanic terminal november handle flight departures longhaul routes foreign carriers united states asia far eastern destinations.time airport direct helicopter service central london gardens roof terminal building.renamed terminal expanded addition arrivals building.facilities added included uks first moving walkways.
Heathrow Airport
new £ million pier completed accommodate airbus superjumbo emirates qantas operate regular flights terminal using airbus a.redevelopment terminal forecourt addition new fourlane dropoff area large pedestrianised plaza complete canopy front terminal building completed .improvements intended improve passengers experience reduce traffic congestion improve security.part project virgin atlantic assigned dedicated checkin area known zone features large sculpture atrium.as terminal area sq ft gates handled .million passengers flights.terminal home oneworld members exception iberia americans jfk flights use terminal malaysia airlines royal air maroc qatar airways use terminal skyteam members air france delta air lines klm middle east airlines new airlines unaffiliated carriers.
Heathrow Airport
terminal opened terminal gates situated south southern runway next cargo terminal connected terminals heathrow cargo tunnel.terminal area sq ft home skyteam alliance exception air france delta air lines klm middle east airlines use terminal oneworld carriers malaysia airlines qatar airways gulf air unaffiliated carriers.undergone £m upgrade enable accommodate airlines upgraded forecourt reduce traffic congestion improve security.flights go terminal flights coming central asia north africa middle east well flights europe.extended checkin area renovated piers departure lounges new baggage system installed two new stands built accommodate airbus etihad airways korean air malaysia airlines qatar airways operate regular flights.
Heathrow Airport
gulf air el al operate regular boeing flights.terminal terminal lies northern southern runways western end heathrow site opened queen elizabeth ii march years inception.opened public march british airways partner company iberia exclusive use terminal gates including hardstands.first passenger enter terminal uk expat kenya passed security day.presented boarding pass british airways ceo willie walsh first departing flight ba paris.
Heathrow Airport
two weeks opening operations disrupted problems terminals systems coupled insufficient testing staff training caused flights cancelled.march terminal exclusively used british airways global hub however merger march iberias operations heathrow moved terminal making home international airlines group.july american moved terminal allow easier connections americans transatlantic flights british airways flights pandemic.however americans flights exception jfk returned terminal .built £.billion terminal consists fourstory main terminal building concourse two satellite buildings linked main terminal underground people mover transit system.
Heathrow Airport
concourse dedicated british airwayss narrowbody fleet flights around uk rest europe first satellite concourse b includes dedicated stands ba iberias widebody fleet except airbus second satellite concourse c includes dedicated aircraft stands a. became fully operational june .terminal voted skytrax worlds best airport terminal annual world airport awards.the main terminal building concourse area square metres sq ft concourse b covers square metres sq ft. aircraft stands capacity million passengers annually well shops restaurants.also home british airways flagship lounge concorde room alongside four british airways branded lounges.one lounges british airways arrivals lounge located landside.a building designated concourse similar size concourse c may yet built east existing site providing another stands.following british airways merger iberia may become priority since combined business require accommodation heathrow one roof maximise cost savings envisaged deal.
Heathrow Airport
proposal concourse featured heathrows recent capital investment plan.the transport network around airport extended cope increase passenger numbers.new branches heathrow express undergrounds piccadilly line serve new shared heathrow terminal station.dedicated motorway spur links terminal junctions .terminal space multistorey car park.distant longstay car park business passengers connected terminal personal rapid transit system heathrow pod became operational spring .
Heathrow Airport
within terminal complex automated people mover apm system known transit used transport passengers satellite buildings.terminal assignments july heathrows four passenger terminals assigned followsfollowing opening terminal march complex programme terminal moves implemented.saw many airlines move grouped terminals airline alliance far possible.following opening phase new terminal june star alliance member airlines exception new member air india moved early along aer lingus germanwings relocated terminal phased process completed october .additionally june airlines left terminal preparation demolition make room construction phase terminal .airlines made minor moves later point e.g.
Heathrow Airport
delta air lines merging departures terminal instead split terminals .former terminals terminal terminal opened inaugurated queen elizabeth ii april .terminal heathrow base british airways ba domestic european network long haul routes terminal opened.acquisition british midland international bmi bas owner international airlines group meant british airways took bmis shorthaul mediumhaul destinations terminal.terminal also main base star alliance members though also based terminal .terminal closed end june site used extend terminal opened june .
Heathrow Airport
number newer gates used terminal built part terminal development retained.last tenants along british airways el al icelandair moved terminal march latam brasil third move terminal may .british airways last operator terminal .two flights carrier one departing hanover one arriving baku marked terminal closure june .british airways operations relocated terminals .
Heathrow Airport
airlines destinations passenger following airlines operate regular scheduled passenger flights london heathrow airport cargo due covid pandemic heathrow seen large increase cargoonly flights already established carriers airport operating cargoonly flights using passenger aircraft also number cargoonly airlines.traffic statistics overview ranked passenger traffic heathrow sixth busiest internationally behind hartsfield–jackson atlanta international airport beijing capital international airport dubai international airport chicagos ohare international airport tokyo haneda airport months ending december .in heathrow busiest airport europe total passenger traffic passengers paris–charles de gaulle airport istanbul atatürk airport.heathrow fourth busiest european airport cargo traffic frankfurt airport paris charles de gaulle amsterdam airport schiphol.in heathrows passenger numbers dropped sharply decrease million travelers compared due impact caused restrictions andor bans travel caused global covid pandemic.as heathrow internationally connected airport connectivity index possible connections within six hours.annual traffic statistics overview table busiest routes heathrow airport processed passengers .new yorks john f. kennedy international airport popular route passengers.
Heathrow Airport
table shows busiest international routes airport .facilities head office heathrow airport holdings formerly baa limited located compass centre heathrows northern runway building previously served british airways flight crew centre.world business centre heathrow consists three buildings.world business centre houses offices heathrow airport holdings heathrow airport scandinavian airlines.previously international airlines group head office world business centre.at one time british airways head office located within heathrow airport speedbird house completion waterside current ba head office harmondsworth june .to north airfield lies northern perimeter road along heathrows car rental agencies based bath road runs parallel outside airport campus.
Heathrow Airport
nicknamed strip locals continuous line airport hotels.access public transport train heathrow express nonstop service direct london paddington trains leave every minutes minute journey minutes terminal .trains depart heathrow terminal station heathrow central station terminals .heathrow express transfer service operates terminal heathrow central connect services london terminal .tfl rail stopping service paddington calling five stations en route – trains leave every minutes minute journey.calls hayes harlington connecting trains reading.
Heathrow Airport
extended abbey wood shenfield via elizabeth line.operated heathrow connect may .london underground piccadilly line four stations serve airport terminal terminal terminal serve passenger terminals hatton cross serves maintenance areas.usual journey time heathrow central central london around – minutes.bus coach many buses coaches operate large heathrow central bus station serving terminals also bus stations terminals .interterminal transport terminals within walking distance other.
Heathrow Airport
transfers terminals terminal provided heathrow express trains london underground piccadilly line.direct transfer terminals provided london buses routes .transit passengers remaining airside provided free dedicated transfer buses terminals.the heathrow pod personal rapid transit system shuttles passengers terminal business car park using small driverless transportation pods.pods batterypowered run ondemand fourkilometre track able carry four adults two children luggage.plans exist extend pod system connect terminals remote car parks.an underground automated people mover system known transit operates within terminal linking main terminal satellite terminals b c. transit operates entirely airside using bombardier innovia apm people mover vehicles.hotel access hotel hoppa bus network connects terminals major hotels area.
Heathrow Airport
taxi taxis available terminals.car heathrow accessible via nearby motorway road terminals – motorway terminals road terminal .dropoff pickup areas terminals short longstay multistorey car parks.heathrow forecourts dropoff only.car parks run heathrow airport holdings outside airport recognisable national car parks facility although many options car parks connected terminals shuttle buses.four parallel tunnels northern runway connect heathrow spur road terminals –.
Heathrow Airport
two larger tunnels two lanes wide used motorised traffic.two smaller tunnels originally reserved pedestrians bicycles increase traffic capacity cycle lanes modified take single lane cars although bicycles still priority cars.pedestrian access smaller tunnels discontinued free bus services used instead.bicycle mainly offroad bicycle routes terminals.free bicycle parking places available car parks terminal north south terminal interchange plaza.
Heathrow Airport
cycling currently allowed main tunnel access terminals terminal closed .incidents accidents march sabena douglas dc ooawh crashed fog.three crew passengers board died.on october bea vickers viking gahpn crashed heathrow hitting runway goaround.three crew passengers died.on january bea vickers viscount registered gamok crashed barriers whilst taking fog disused runway strip parallel desired runway.two injuries.on june boac de havilland dove registration galtm crashed short runway filming flight pilot shutdown incorrect engine.
Heathrow Airport
casualties.on october xa avro vulcan strategic bomber royal air force crashed heathrow approach bad weather.vulcan first delivered raf returning demonstration flight australia new zealand.pilot copilot ejected survived four occupants killed.on january vickers viscount gaohu bea damaged beyond economic repair nose wheel collapsed landing.fire developed burnt fuselage.casualties among people board.on october bea vickers vanguard gapee flying edinburgh crashed runway r attempting land poor visibility.
Heathrow Airport
passengers six crew board died.on april boac flight boeing garwe departing australia via singapore suffered engine fire takeoff.engine fell wing nearby gravel pit staines plane managed perform emergency landing wing fire.however plane consumed fire ground.five people – four passengers flight attendant – died survived.flight attendant barbara harrison helped evacuation posthumously awarded george cross.on july port flap operating rod gamad airspeed ambassador operated bks air transport failed due fatigue thereby allowing port flaps retract.
Heathrow Airport
resulted rolling movement port could controlled approach causing aircraft contact grass swerve towards terminal building.hit two parked british european airways hawker siddeley trident aircraft burst flames came rest ground floor terminal building.six eight crew died eight horses board.trident garpt written trident garpi badly damaged subsequently repaired lost staines crash .on june trident garpi operating bea crashed field close crooked billet public house staines two minutes taking off.passengers crew board died.on november airbus gvsky operated virgin atlantic made emergency landing los angeles trying shake free main landing gear.
Heathrow Airport
failed so.plane landed undersides engines damaged.plane broke runway lights well causing damage runway right landing gear torn plane.seven people sustained minor injuries evacuation injuries reported.on january british airways boeing er gymmm operating flight ba beijing crashlanded heathrow.aircraft landed grass short south runway slid edge runway stopped threshold leading minor injuries.
Heathrow Airport
aircraft later found suffered loss thrust caused fuel icing.terrorism security incidents june james earl ray man convicted april assassination martin luther king jr. captured arrested heathrow airport attempting leave united kingdom rhodesia zimbabwe false canadian passport.on september el al flight experienced attempted hijack two pflp members.one hijacker killed subdued plane made emergency landing heathrow airport.on may ira planted series bombs terminal car park.two people injured explosions.on november brinksmat robbery occurred gold bars worth nearly £ taken vault near heathrow.small amount gold recovered two men convicted crime.on april semtex explosives found bag pregnant irishwoman attempting board el al flight.
Heathrow Airport
explosives given jordanian boyfriend father unborn child nizar hindawi.incident became known hindawi affair.on december pan flight exploded midair town lockerbie killing onboard eleven people ground.flight originated frankfurt feeder flight change aircraft heathrow transatlantic leg new yorks jfk airport time incident.unaccompanied suitcase containing boombox radiocassette player housed explosive checked malta forwarded interline baggage flight frankfurt wherein made way transatlantic leg.in sixday period heathrow targeted three times march ira fired mortars.heathrow symbolic target due importance uk economy much disruption caused areas airport closed period.
Heathrow Airport
gravity incident heightened queen flown back heathrow raf march.in march thieves stole us arrived south african airways flight.weeks earlier similar amount money stolen british airways flight arrived bahrain.in february british army deployed heathrow along police officers response intelligence reports suggesting alqaeda terrorists might launch surfacetoair missile attacks british american airliners.on may scotland yards flying squad foiled attempt seven men steal £ gold bullion similar quantity cash swissport warehouse heathrow.on february greenpeace activists protesting planned construction third runway managed cross ramp climb atop british airways airbus arrived manchester airport.gmt protesters unveiled climate emergency – third runway banner aircrafts tailfin.gmt four arrests made.on july thirteen activists belonging climate change protest group plane stupid managed break perimeter fence get onto northern runway.chained together protest disrupting hundreds flights.
Heathrow Airport
eventually arrested.incidents december heavy nine cm according heathrow winter resilience enquiry snowfall caused closure entire airport causing one largest incidents heathrow time.flights cancelled five days passengers spent night heathrow december following initial snowfall.problems caused snow runways also snow ice parking stands occupied aircraft.on july elt ethiopian airlines boeing dreamliner parked heathrow airport caught fire due short circuit.passengers aboard injuries.from september climate change campaign group heathrow pause attempted disrupt flights heathrow airport london flying drones airports exclusion zone.
Heathrow Airport
action unsuccessful disrupting flights nineteen people arrested.future expansion plans runway terminal expansion long history expansion proposals heathrow since first designated civil airport.following cancellation maplin project fourth terminal proposed expansion beyond ruled out.however airports inquiries – airports policy white paper considered expansion following fouryearlong public inquiry – terminal approved.many studies consultations future air transport white paper published proposed third runway heathrow well second runway stansted airport.
Heathrow Airport
january transport secretary time geoff hoon announced british government supported expansion heathrow building third metre ft runway sixth terminal building.decision followed white paper future air transport uk public consultation november .controversial decision met widespread opposition expected greenhouse gas emissions impact local communities well noise air pollution concerns.before general election conservative liberal democrat parties announced would prevent construction third runway material expansion airports operating capacity.mayor london boris johnson took position london needs airport capacity favouring construction entirely new airport thames estuary rather expanding heathrow.conservativeliberal democrat coalition took power announced third runway expansion cancelled.
Heathrow Airport
two years later leading conservatives reported changed minds subject.another proposal expanding heathrows capacity heathrow hub aims extend runways total length metres divide four provide two full length runways allowing simultaneous takeoffs landings decreasing noise levels.in july airport submitted three new proposals expansion airports commission established review airport capacity southeast england.airports commission chaired sir howard davies time appointment employ gic private limited formerly known government investment corporation singapore member international advisory board.gic private limited remains today one heathrows principal owners.sir howard davies resigned positions upon confirmation appointment lead airports commission although observed failed identify interests invited complete airports commissions register interests.three proposals considered sir howard daviess commission involved construction third runway either north northwest southwest airport.the commission released interim report december shortlisting three options northwest third runway option heathrow extending existing runway heathrow second runway gatwick airport.
Heathrow Airport
report published government confirmed options ruled airport expansion southeast new runway would built heathrow .full report published july backed third northwest runway heathrow.reaction report generally negative particularly london mayor boris johnson.one senior conservative told channel howard davies dumped utter steaming pile poo prime ministers desk.october government confirmed heathrow would allowed build third runway however final decision would taken winter consultations government votes.
Heathrow Airport
earliest opening year would .on june uk cabinet approved third runway full vote planned parliament.june house commons voted – favour third runway.bill received support mps conservative labour parties.judicial review decision launched four london local authorities affected expansion—wandsworth richmond hillingdon hammersmith fulham—in partnership greenpeace london mayor sadiq khan.khan previously stated would take legal action passed parliament.in february court appeal ruled plans third runway illegal since adequately take account governments commitments paris climate agreement.
Heathrow Airport
however ruling later overturned supreme court december .new transport proposals currently rail connections heathrow airport run along east–west alignment central london number schemes proposed years develop new rail transport links parts london stations outside city.mainline rail service due extended central london essex elizabeth line currently construction opens.a proposal create southern link london waterloo via waterloo–reading line abandoned due lack funding difficulties high number level crossings route london plan link heathrow planned high speed hs railway line new station heathrow hub also dropped hs plans march .among schemes considered rapid transport link heathrow gatwick airports known heathwick would allow airports operate jointly airline hub department transport began invite proposals privately funded rail links heathrow airport.projects considered initiative includethe western rail approach heathrow proposal spur great western main line link heathrow reading slough south west south wales west midlandsheathrow southern railway similar scheme abandoned airtrack proposal would connect terminal station chertsey virginia water staines london waterloo guildford clapham junctionhsair proposal new highspeed railway line would link hs high speed line channel tunnel via southern route stations heathrow gatwick airports.see also airports londonheathrow worldwide distribution centrelist airports united kingdom british crown dependencies notes references citations bibliography cotton jonathan mills john clegg gillian.
Heathrow Airport
archaeology west middlesex.uxbridge london borough hillingdon isbn gallop alan.time flies heathrow .stroud sutton publishing isbn helpenny bruce b. action stations vol.military airfields greater london.
Heathrow Airport
isbn xle blond paul.inside londons airports policy indecision decision counterdecision ice publishing isbn sherwood philip.history heathrow.uxbridge london borough hillingdon isbn sherwood philip editor.villages harmondsworth.
Heathrow Airport
west middlesex family history society isbn sherwood philip.heathrow years history.stroud sutton publishing isbn sherwood philip.around heathrow past present.sutton publishing isbn contains many pairs photographs old one case painting new pair made viewpoint.sherwood philip.
Heathrow Airport
heathrow years history.stroud history press isbn sherwood philip.around heathrow time.amberley publishing isbn sherwood tim.coming land short history hounslow hanworth heston aerodromes –.
Heathrow Airport
heritage publications hounslow library isbn smith graham.taking skies story british aviation –.countryside isbn smith ron.british built aircraft vol.. greater london tempus isbn sturtivant ray.fairey aircraft old photographs.
Heathrow Airport
alan sutton isbn taylor h.a.fairey aircraft since .putnam isbn x.taylor john wr.fairey aviation archive photographs.chalford isbn external links official websiteheathrow community engagement board
Sara Sidle
sidle forensic scientist one core characters show revolves around crime scene investigation team clark county nevada investigates cases around las vegas.fox appeared first eight seasons final five seasons original show series regular.also recurred throughout ninth tenth seasons series headlined immortality alongside ted danson.returned sequel csi vegas.appearances original tenure original series first seven seasons fox appeared one episode appeared first seven episodes eighth season departing main cast.
Sara Sidle
guest star absence main cast fox guest starred twenty episodes.return upon rejoining regular cast series eleventh season fox appeared episodes including series finale.returned sequel csi vegas.fictional character biography sidle born september tomales bay hour half north san francisco.father abusive alcoholic killed sidles schizophrenic mother .
Sara Sidle
afterward spent time foster care system didnt keep graduating high school valedictorian age .attended harvard scholarship moving graduate school university california berkeley.berkeley started workstudy position san francisco coroners office would also audit lectures keep new developments one met gil grissom.some time later working san francisco grissom called needed someone outside las vegas team.sidle went las vegas helped resolve internal affairs problems within csis also providing replacement holly gribbs shot.episodes later became permanent member night shift csi level lvpd criminalistics bureau specialising materials element analysis.
Sara Sidle
season sidle briefly changed nights swing shifts.season premiere revealed married grissom.season episode reveals grissom split her.however series finale immortality grissom reunited.character development perhaps traumatic childhood sidle demonstrated compassion empathy victims domestic violence fury abusers.
Sara Sidle
also soft spot animals became vegetarian saw grissom conduct experiment dead pig.also shown tendency become aggressive pressure annoyed especially cases involving abused women – arguments catherine ecklie engaging heated argument man suspected murdering wife.recent years perhaps mothers schizophrenia seen work several cases mental health aspect.in early years show sidle depicted antisocial.hobbies workrelated listening police scanner reading forensic journals claims prefer working corpses live people.midsecond season episode realizes much missing decides get life outside work.
Sara Sidle
season three dates paramedic named hank pettigrew relationship ends later season discovered longtime girlfriend.later third season injured explosion lab search grissom end episode decides ask grissom dinner though turns stating doesnt know this..during fourth fifth seasons sidle seems downward spiral memories childhood resurface cases becoming difficult emotionally.also fact grissom decided promote nick stokes instead sidle help.season four concludes sidle stopped traffic cop.although driving influence charged grissom supervisor informed arrest.
Sara Sidle
arrives station bring home finally seems notice emotional state.later season five loses temper domestic abuse suspect argues supervisors catherine willows conrad ecklie results suspension.following incident admits grissom problem authority chosen emotionally unavailable men like grissom selfdestructive streak.sidle opens reveals family story season apparently starts bonding grissom.subsequent seasons sixth seventh revealed relationship appears happier even keel.in csis eighth season fox decided leave show writers decided kill character leave door open possible comeback.
Sara Sidle
consequently becomes severely depressed abducted season seven finale rescued first episode new season even though accepts grissoms marriage proposal seasons fourth episode shows signs burnout subsequent episodes breaking seasons seventh episode leaving las vegas goodbye letter grissom tells loves also kissing blue front another colleague good luck note ronnie lake played jessica lucas.letter states ever since fathers death living ghosts needs go away deal selfdestructing.in season eight episode kill grissom indicates talked san francisco visiting mother.promos season nine premiere announced actress jorja fox would return showed three clips.however sidle left second episode.appeared final scene tenth episode season nine appears working research team costa rica grissom joins leaving csi.married.during tenth season fox returned csi recurring basis.
Sara Sidle
recurring role continued eleventh season show.brought back undersheriff ecklie aid lab undergone staffing cuts result warricks death resignation replacement riley adams.adams revealed resigned result catherines poor management lack teamwork catherine reveals sara reminds catherine grissom catherine number two prompting promotion nick stokes assistant supervisor.relationships sara sidles romantic relationships largely unsuccessful.first season named college boyfriend ken fuller unsatisfactory relationship also saying joined mile high club unfriendly skies.
Sara Sidle
season seven mentioned college boyfriend cheated her.unclear whether fuller also boyfriend cheated her.third season casual relationship hank pettigrew emergency medical technician.involved several cases later broke found hank longtime girlfriend.during first seasons coroner david phillips laboratory technician greg sanders fellow csi nick stokes occasionally flirted nothing friendship resulted flirtations.gil grissom since csis first season hints sara sidle gil grissom interested romantically fact shows producers initially introduced sara sidle future love interest grissom.
Sara Sidle
however shows first three seasons grissom flirted female characters asked dinner rejected saying didnt know going them.in season four grissoms true feelings revealed butterflied episode centers entirely around grissom exploring attraction sidle confronted dead woman bore striking resemblance her.episode grissom admitted unable risk career her.season sara sidle apparently developed drinking problem grissom acknowledged season finale.next season sidle suspended insubordination told grissom tormented childhood.refused fire working almost every episode season six season seven.it sixth season finale revealed grissom sidle worked whatever issues fact couple.
Sara Sidle
season eight revealed intimately involved two years.revelation caused mixed emotions fans see relationship csi jumping shark attempt include drama romance show compete medical drama greys anatomy airs u.s. time.resolving sexual tension two characters critics posited show might appeal greys younger audience.denied writers.one interview producer carol mendelsohn said never able see grissom character sidle episode seen writers right time reveal relationship.
Sara Sidle
jorja fox william petersen also said relationship characters new.throughout season seven audience saw grissom sidle couple relationship kept secret others lab sidles abduction miniature killer season finale grissom reveals team sara person hes ever loved.season eight become engaged married storyline left inconclusive sara leaves grissom note three episodes later.a season scene cut intended episode due time constraints showed catherine willows visiting grissoms apartment update case.bedroom snoops around finds womans dressing robe closet.notices photograph gil sara together fridge.grissom emerges room asks long sara together tries make quick exit tells shed always thought lonely bachelor response laugh leave.in tenth episode season nine one go grissom seen walking rain forest holding gps system places costa rica.
Sara Sidle
spots bug leaf continues eventually arriving camp sidle seen taking picture monkey tree.sidle sees grissom removes backpack walks sidles arms greets passionate kiss.in family affair first episode season sidle returns work laboratory temporary basis revealing grissom married living paris grissom conducts seminar sorbonne.in two mrs. grissoms sara attends party school deaf.gets call grissom taiko drum performance.revealed grissom peru consulting government.meets grissoms mother betty two deaf professors one ends dead car explosion.grissoms mother ends criticising sara spending much time grissom.at end episode shown talking grissom webcam eventually mother walk office.
Sara Sidle
grissom said return vegas dinner sara mother.at end malice wonderland grissom sends sara two plants note saying grissomhints troubled relationship appear several episodes season .episode forget sara finally reveals grissom split up.end episode admitted nick greg night murder expecting see grissom nick even admits everyone else worked grissom liked together sort hang realized relationship over.after remaining separated number years grissom sara reunited series finale immortality case involving suicide bomber brings grissom temporarily back las vegas crime lab.series ends pair sailing away together sunset relationship apparently rekindled.william petersen said grissom loves sidle tenacity.shes bulldog.
Sara Sidle
always saw her.always knew subconsciously person whod able give second look someone whos willing take first look granted.side jorja fox said story sara grissom little like fable.great fables dont really percent resolution.public reaction sara sidle gained extensive fan base throughout years.
Sara Sidle
romantic relationship sidle supervisor gil grissom hinted first years show season relationship confirmed made definitive grissoms marriage proposal season .grissom sidles relationship subject intense debate press online forums fans romantic relationship believe romance detracts show devoted mainly mysteries forensics laboratory.in early august upon rumors jorja fox leaving show grassroots campaign started.thousands fans donated cause plane flying universal studios los angeles weekly tuesdays thursdays keep jorja fox cbs banner month.online forum tax dollars work members organized campaign created another campaign includes mailing shows producers dollar keep fox show.october reportedly mailed universal studios fortynine countries.campaign started less week september .though effort garnered media coverage announced late october jorja foxs final appearance full cast member would episode goodbye good luck aired november .
Sara Sidle
writers fox said believe sara sidle back sometime future.fox csi writer carol mendelsohn chose donate money sent studios casa national association supports promotes courtappointed advocates abused neglected children.cbs initially confirmed jorja fox would returning csi tenth season season premiere four subsequent episodes.executive producer carol mendelsohn amended foxs tenure show extended indefinitely.cbs states season premiere would deal life taken sara brings back las vegas.video games jorja fox voiced sara sidle first two csi video games csi crime scene investigation csi dark motives.
Vulnerability (computing)
two video games csi hard evidence csi dimensions murder recorded kate savage.rachel robinson voiced sara ninth csi game csi fatal conspiracy.career references reading marrinan corinne parker steve ultimate csi crime scene investigation dk publishing inc.perform unauthorized actions within computer system.exploit vulnerability attacker must least one applicable tool technique connect system weakness.frame vulnerabilities also known attack surface.vulnerability management cyclical practice varies theory contains common processes include discover assets prioritize assets assess perform complete vulnerability scan report results remediate vulnerabilities verify remediation repeat.practice generally refers software vulnerabilities computing systems.agile vulnerability management refers preventing attacks identifying vulnerabilities quickly possible.a security risk often incorrectly classified vulnerability.
Vulnerability (computing)
use vulnerability meaning risk lead confusion.risk potential significant impact resulting exploit vulnerability.vulnerabilities without risk example affected asset value.vulnerability one known instances working fully implemented attacks classified exploitable vulnerability—a vulnerability exploit exists.window vulnerability time security hole introduced manifested deployed software access removed security fix availabledeployed attacker disabled—see zeroday attack.security bug security defect narrower concept.
Vulnerability (computing)
vulnerabilities related software hardware site personnel vulnerabilities examples vulnerabilities software security bugs.constructs programming languages difficult use properly manifest large numbers vulnerabilities.definitions iso defines vulnerability asa weakness asset group assets exploited one threats asset anything value organization business operations continuity including information resources support organizations missionietf rfc vulnerability flaw weakness systems design implementation operation management could exploited violate systems security policythe committee national security systems united states america defined vulnerability cnss instruction no.dated april national information assurance glossaryvulnerability—weakness information system system security procedures internal controls implementation could exploited threat source.many nist publications define vulnerability context different publications fismapedia term provide list.sp give broader one flaw weakness system security procedures design implementation internal controls could exercised accidentally triggered intentionally exploited result security breach violation systems security policy.enisa defines vulnerability existence weakness design implementation error lead unexpected undesirable event g. compromising security computer system network application protocol involved.itsecthe open group defines vulnerability asthe probability threat capability exceeds ability resist threat.factor analysis information risk fair defines vulnerability asthe probability asset unable resist actions threat agentaccording fair vulnerability related control strength i.e.
Vulnerability (computing)
strength control compared standard measure force threat capabilities i.e.probable level force threat agent capable applying asset.isaca defines vulnerability risk framework asa weakness design implementation operation internal controldata computer security dictionary standards concepts terms authors dennis longley michael shain stockton press isbn defines vulnerability computer security weakness automated systems security procedures administrative controls internet controls etc.could exploited threat gain unauthorized access information disrupt critical processing.computer security weakness physical layout organization procedures personnel management administration hardware software may exploited cause harm adp system activity.computer security weakness flaw existing system.
Vulnerability (computing)
attack harmful event opportunity available threat agent mount attack.matt bishop dave bailey give following definition computer vulnerabilitya computer system composed states describing current configuration entities make computer system.system computes application state transitions change state system.states reachable given initial state using set state transitions fall class authorized unauthorized defined security policy.paper definitions classes transitions considered axiomatic.vulnerable state authorized state unauthorized state reached using authorized state transitions.
Vulnerability (computing)
compromised state state reached.attack sequence authorized state transitions end compromised state.definition attack begins vulnerable state.vulnerability characterization vulnerable state distinguishes nonvulnerable states.generic vulnerability may characterize many vulnerable states specific may characterize one...national information assurance training education center defines vulnerabilitya weakness automated system security procedures administrative controls internal controls forth could exploited threat gain unauthorized access information disrupt critical processing.
Vulnerability (computing)
.weakness system security procedures hardware design internal controls etc.could exploited gain unauthorized access classified sensitive information..weakness physical layout organization procedures personnel management administration hardware software may exploited cause harm adp system activity.
Vulnerability (computing)
presence vulnerability cause harm vulnerability merely condition set conditions may allow adp system activity harmed attack..assertion primarily concerning entities internal environment assets say asset class assets vulnerable way possibly involving agent collection agents write vie e may empty set..susceptibility various threats.
Vulnerability (computing)
.set properties specific internal entity union set properties specific external entity implies risk..characteristics system cause suffer definite degradation incapability perform designated mission result subjected certain level effects unnatural manmade hostile environment.vulnerability risk factor models resource either physical logical may one vulnerabilities exploited threat actor.
Vulnerability (computing)
result potentially compromise confidentiality integrity availability resources necessarily vulnerable one belonging organization andor parties involved customers suppliers.socalled cia triad cornerstone information security.an attack active attempts alter system resources affect operation compromising integrity availability.passive attack attempts learn make use information system affect system resources compromising confidentiality.owasp see figure depicts phenomenon slightly different terms threat agent attack vector exploits weakness vulnerability system related security controls causing technical impact resource asset connected business impact.the overall picture represents risk factors risk scenario.information security management system set policies concerned information security management system isms developed manage according risk management principles countermeasures ensure security strategy set following rules regulations applicable given organization.countermeasures also called security controls applied transmission information called security services.
Vulnerability (computing)
classification vulnerabilities classified according asset class related tohardwaresusceptibility humidity dustsusceptibility unprotected storageagebased wear causes failureoverheatingsoftwareinsufficient testinginsecure codinglack audit traildesign flawnetworkunprotected communication lines e.g.lack cryptographyinsecure network architecturepersonnelinadequate recruiting processinadequate security awarenessinsider threatphysical sitearea subject natural disasters e.g.flood earthquakeinterruption power sourceorganizationallack regular auditslack continuity planslack security causes complexity large complex systems increase probability flaws unintended access points.familiarity using common wellknown code software operating systems andor hardware increases probability attacker find knowledge tools exploit flaw.connectivity physical connections privileges ports protocols services time accessible increase vulnerability.password management flaws computer user uses weak passwords could discovered brute force.computer user stores password computer program access it.users reuse passwords many programs websites.fundamental operating system design flaws operating system designer chooses enforce suboptimal policies userprogram management.
Vulnerability (computing)
example operating systems policies default permit grant every program every user full access entire computer.operating system flaw allows viruses malware execute commands behalf administrator.internet website browsing internet websites may contain harmful spyware adware installed automatically computer systems.visiting websites computer systems become infected personal information collected passed third party individuals.software bugs programmer leaves exploitable bug software program.software bug may allow attacker misuse application.unchecked user input program assumes user input safe.programs check user input allow unintended direct execution commands sql statements known buffer overflows sql injection nonvalidated inputs.not learning past mistakes example vulnerabilities discovered ipv protocol software discovered new ipv implementations.the research shown vulnerable point information systems human user operator designer human humans considered different roles asset threat information resources.
Vulnerability (computing)
social engineering increasing security concern.consequences impact security breach high.legislation sees failure managers address systems applications vulnerabilities known misconduct managers responsibility manage risk.privacy law forces managers act reduce impact likelihood security risk.information technology security audit way let independent people certify environment managed properly lessen responsibilities least demonstrated good faith.
Vulnerability (computing)
penetration test form verification weakness countermeasures adopted organization white hat hacker tries attack organizations information technology assets find easy difficult compromise security.proper way professionally manage risk adopt information security management system isoiec risk follow according security strategy set forth upper management.one key concept information security principle defence depth i.e.set multilayer defense system canprevent exploitdetect intercept attackfind threat agents prosecute themintrusion detection system example class systems used detect attacks.physical security set measures physically protect information asset somebody get physical access information asset widely accepted attacker access information make resource unavailable legitimate users.some sets criteria satisfied computer operating system applications order meet good security level developed itsec common criteria two examples.vulnerability disclosure coordinated disclosure refer responsible disclosure considered biased term others vulnerabilities topic great debate.reported tech herald august google microsoft tippingpoint rapid issued guidelines statements addressing deal disclosure going forward.
Vulnerability (computing)
method typically full disclosure details vulnerability publicized sometimes intent put pressure software author publish fix quickly.january google revealed microsoft vulnerability microsoft released patch fix microsoft representative called coordinated practices among software companies revealing disclosures.vulnerability inventory mitre corporation maintains incomplete list publicly disclosed vulnerabilities system called common vulnerabilities exposures.information immediately shared national institute standards technology nist vulnerability given risk score using common vulnerability scoring system cvss common platform enumeration cpe scheme common weakness enumeration.owasp maintains list vulnerability classes aim educating system designers programmers therefore reducing likelihood vulnerabilities written unintentionally software.vulnerability disclosure date time disclosure vulnerability defined differently security community industry.
Vulnerability (computing)
commonly referred kind public disclosure security information certain party.usually vulnerability information discussed mailing list published security web site results security advisory afterward.the time disclosure first date security vulnerability described channel disclosed information vulnerability fulfill following requirementthe information freely available publicthe vulnerability information published trusted independent channelsourcethe vulnerability undergone analysis experts risk rating information included upon disclosureidentifying removing vulnerabilitiesmany software tools exist aid discovery sometimes removal vulnerabilities computer system.though tools provide auditor good overview possible vulnerabilities present replace human judgment.relying solely scanners yield false positives limitedscope view problems present system.vulnerabilities found every major operating system including windows macos various forms unix linux openvms others.way reduce chance vulnerability used system constant vigilance including careful system maintenance e.g.
Vulnerability (computing)
applying software patches best practices deployment e.g.use firewalls access controls auditing development throughout deployment lifecycle.locations vulnerabilities manifest vulnerabilities related manifest inphysical environment systemthe personnel i.e.employees managementadministration procedures security policybusiness operation service deliveryhardware including peripheral devices software i.e.premises cloudconnectivity i.e.
Risk management
communication equipment facilitiesit evident pure technical approach cannot always protect physical assets one administrative procedure let maintenance personnel enter facilities people adequate knowledge procedures motivated follow proper care.however technical protections necessarily stop social engineering security attacks.examples vulnerabilitiesan attacker finds uses buffer overflow weakness install malware exfiltrate sensitive dataan attacker convinces user open email message attached malwarea flood damages ones computer systems installed ground floor.software vulnerabilities common types software flaws lead vulnerabilities includememory safety violations asbuffer overflows overreadsdangling pointersinput validation errors ascode injectioncrosssite scripting web applicationsdirectory traversalemail injectionformat string attackshttp header injectionhttp response splittingsql injectionprivilegeconfusion bugs asclickjackingcrosssite request forgery web applicationsftp bounce attackprivilege escalationrace conditions assymlink racestimeofchecktotimeofuse bugssidechannel attacktiming attackuser interface failures asblaming victim prompting user make security decision without giving user enough information answer itrace conditionswarning fatigue user conditioning.some set coding guidelines developed large number static code analyzers used verify code follows guidelines.see also browser securitycomputer emergency response teaminformation securityinternet securitymobile securityvulnerability scannerresponsible disclosurefull disclosure references external links media related vulnerability computing wikimedia commonssecurity advisories links open directory httpdmozodp.orgcomputerssecurityadvisoriesandpatchestwo types events i.e.negative events classified risks positive events classified opportunities.risk management standards developed various institutions including project management institute national institute standards technology actuarial societies iso standards.methods definitions goals vary widely according whether risk management method context project management security engineering industrial processes financial portfolios actuarial assessments public health safety.strategies manage threats uncertainties negative consequences typically include avoiding threat reducing negative effect probability threat transferring part threat another party even retaining potential actual consequences particular threat.opposite strategies used respond opportunities uncertain future states benefits.certain risk management standards criticized measurable improvement risk whereas confidence estimates decisions seems increase.
Risk management
introduction risk management appears scientific management literature since s. became formal science articles books “risk management” title also appear library searches.research initially related finance insurance.a widely used vocabulary risk management defined iso guide risk management.vocabulary.in ideal risk management prioritization process followed whereby risks greatest loss impact greatest probability occurring handled first.risks lower probability occurrence lower loss handled descending order.practice process assessing overall risk difficult balancing resources used mitigate risks high probability occurrence lower loss versus risk high loss lower probability occurrence often mishandled.intangible risk management identifies new type risk probability occurring ignored organization due lack identification ability.
Risk management
example deficient knowledge applied situation knowledge risk materializes.relationship risk appears ineffective collaboration occurs.processengagement risk may issue ineffective operational procedures applied.risks directly reduce productivity knowledge workers decrease costeffectiveness profitability service quality reputation brand value earnings quality.intangible risk management allows risk management create immediate value identification reduction risks reduce productivity.opportunity cost represents unique challenge risk managers.
Risk management
difficult determine put resources toward risk management use resources elsewhere.ideal risk management minimizes spending manpower resources also minimizes negative effects risks.risk defined possibility event occur adversely affects achievement objective.uncertainty therefore key aspect risk.systems like committee sponsoring organizations treadway commission enterprise risk management coso erm assist managers mitigating risk factors.company may different internal control components leads different outcomes.
Risk management
example framework erm components includes internal environment objective setting event identification risk assessment risk response control activities information communication monitoring.risks vs. opportunities opportunities first appear academic research management books s. first pmbok project management body knowledge draft doesnt mention opportunities all.modern project management school recognize importance opportunities.opportunities included project management literature since e.g.pmbok became significant part project risk management years articles titled “opportunity management” also begin appear library searches.opportunity management thus became important part risk management.modern risk management theory deals type external events positive negative.
Risk management
positive risks called opportunities.similarly risks opportunities specific mitigation strategies exploit share enhance ignore.in practice risks considered “usually negative”.riskrelated research practice focus significantly threats opportunities.lead negative phenomena target fixation method part methods consist following elements performed less following orderidentify threatsassess vulnerability critical assets specific threatsdetermine risk i.e.expected likelihood consequences specific types attacks specific assetsidentify ways reduce risksprioritize risk reduction measuresthe risk management knowledge area defined project management body knowledge pmbok consists following processesplan risk management defining conduct risk management activities.identify risks identifying individual project risks well sources.perform qualitative risk analysis prioritizing individual project risks assessing probability impact.perform quantitative risk analysis numerical analysis effects.plan risk responses developing options selecting strategies actions.implement risk responses implementing agreedupon risk response plans.
Risk management
th ed.pmbok process included activity monitor control process later separated distinct process pmbok th ed.monitor risks monitoring implementation.process known monitor control previous pmbok th ed.also included “implement risk responses” process.principles international organization standardization iso identifies following principles risk managementrisk management shouldcreate value – resources expended mitigate risk less consequence inactionbe integral part organizational processesbe part decisionmaking processexplicitly address uncertainty assumptionsbe systematic structured processbe based best available informationbe tailorabletake human factors accountbe transparent inclusivebe dynamic iterative responsive changebe capable continual improvement enhancementbe continually periodically reassessed mild versus wild risk benoit mandelbrot distinguished mild wild risk argued risk assessment management must fundamentally different two types risk.
Risk management
mild risk follows normal nearnormal probability distributions subject regression mean law large numbers therefore relatively predictable.wild risk follows fattailed distributions e.g.pareto powerlaw distributions subject regression tail infinite mean variance rendering law large numbers invalid ineffective therefore difficult impossible predict.common error risk assessment management underestimate wildness risk assuming risk mild fact wild must avoided risk assessment management valid reliable according mandelbrot.process according standard iso risk management – principles guidelines implementation process risk management consists several steps follows establishing context involvesobserving contextthe social scope risk managementthe identity objectives stakeholdersthe basis upon risks evaluated constraints.defining framework activity agenda identificationdeveloping analysis risks involved processmitigation solution risks using available technological human organizational resources identification establishing context next step process managing risk identify potential risks.
Risk management
risks events triggered cause problems benefits.hence risk identification start source problems competitors benefit problems consequences.source analysis – risk sources may internal external system target risk management use mitigation instead management since definition risk deals factors decisionmaking cannot managed.some examples risk sources stakeholders project employees company weather airport.problem analysis – risks related identified threats.example threat losing money threat abuse confidential information threat human errors accidents casualties.threats may exist various entities important shareholders customers legislative bodies government.when either source problem known events source may trigger events lead problem investigated.example stakeholders withdrawing project may endanger funding project confidential information may stolen employees even within closed network lightning striking aircraft takeoff may make people board immediate casualties.the chosen method identifying risks may depend culture industry practice compliance.
Risk management
identification methods formed templates development templates identifying source problem event.common risk identification methods areobjectivesbased risk identification – organizations project teams objectives.event may prevent objective achieved identified risk.scenariobased risk identification – scenario analysis different scenarios created.scenarios may alternative ways achieve objective analysis interaction forces example market battle.event triggers undesired scenario alternative identified risk – see futures studies methodology used futurists.taxonomybased risk identification – taxonomy taxonomybased risk identification breakdown possible risk sources.