title stringlengths 3 84 | content stringlengths 216 367k |
|---|---|
Avgas | Avgas (aviation gasoline, also known as aviation spirit in the UK) is an aviation fuel used in aircraft with spark-ignited internal combustion engines. Avgas is distinguished from conventional gasoline (petrol) used in motor vehicles, which is termed mogas (motor gasoline) in an aviation context. Unlike motor gasoline,... |
Aviation (disambiguation) | Aviation refers to activities around mechanical flight.
Aviation may also refer to:
== Music ==
Aviation (album), a 2014 alt rock album and song by Semi Precious Weapons
"Aviation" (song), 2016, by The Last Shadow Puppets
"Aviation", a song on Leo Sayer's 1984 album Have You Ever Been in Love
Aviation, a 1976 instrume... |
Aviation accidents and incidents | An aviation accident is an event during aircraft operation that results serious injury, death, or significant destruction. An aviation incident is any operating event that compromises safety but does not escalate into an aviation accident. Preventing both accidents and incidents is the primary goal of aviation safety.
... |
Aviation biofuel | An aviation biofuel (also known as bio-jet fuel, sustainable aviation fuel (SAF), or bio-aviation fuel (BAF)) is a biofuel used to power aircraft. The International Air Transport Association (IATA) considers it a key element in reducing the environmental impact of aviation. Aviation biofuel is used to decarbonize mediu... |
Avionics | Avionics (a portmanteau of aviation and electronics) are the electronic systems used on aircraft. Avionic systems include communications, navigation, the display and management of multiple systems, and the hundreds of systems that are fitted to aircraft to perform individual functions. These can be as simple as a searc... |
B-2 | The Northrop B-2 Spirit, also known as the Stealth Bomber, is an American heavy strategic bomber, featuring low-observable stealth technology designed to penetrate dense anti-aircraft defenses. A subsonic flying wing with a crew of two, the plane was designed by Northrop (later Northrop Grumman) as the prime contractor... |
B-52 Stratofortress | The Boeing B-52 Stratofortress is an American long-range, subsonic, jet-powered strategic bomber. The B-52 was designed and built by Boeing, which has continued to provide support and upgrades. It has been operated by the United States Air Force (USAF) since 1955 and was flown by NASA from 1959 to 2007. The bomber can ... |
Balloon (aeronautics) | In aeronautics, a balloon is an unpowered aerostat, which remains aloft or floats due to its buoyancy. A balloon may be free, moving with the wind, or tethered to a fixed point. It is distinct from an airship, which is a powered aerostat that can propel itself through the air in a controlled manner.
Many balloons have ... |
Bartholomeu Lourenço de Gusmão | Bartolomeu Lourenço de Gusmão (December 1685 – 18 November 1724) was a Portuguese priest and naturalist from Colonial Brazil who was a pioneer of lighter-than-air aerostat design, being among the first scholars at that time to understand the operational principles of the hot air balloon and to build a functional protot... |
Beechcraft | Beechcraft is an American brand of civil aviation and military aircraft owned by Textron Aviation since 2014, headquartered in Wichita, Kansas. Originally, it was a brand of Beech Aircraft Corporation, an American manufacturer of general aviation, commercial, and military aircraft, ranging from light single-engined air... |
Bell OH-58 Kiowa | The Bell OH-58 Kiowa is a family of single-engine single-rotor military helicopters used for observation, utility, and direct fire support. It was produced by the American manufacturer Bell Helicopter and is closely related to the Model 206A JetRanger civilian helicopter.
The OH-58 was originally developed during the e... |
Berlin | Berlin ( bur-LIN; German: [bɛʁˈliːn] ) is the capital and largest city of Germany, by both area and population. With 3.7 million inhabitants, it has the highest population within its city limits of any city in the European Union. The city is also one of the states of Germany, being the third smallest state in the count... |
Bibcode (identifier) | The bibcode (also known as the refcode) is a compact identifier used by several astronomical data systems to uniquely specify literature references.
== Adoption ==
The Bibliographic Reference Code (refcode) was originally developed to be used in SIMBAD and the NASA/IPAC Extragalactic Database (NED), but it became a de... |
Bicycle | A bicycle, also called a pedal cycle, bike, push-bike or cycle, is a human-powered or motor-assisted, pedal-driven, single-track vehicle, with two wheels attached to a frame, one behind the other. A bicycle rider is called a cyclist, or bicyclist.
Bicycles were introduced in the 19th century in Europe. By the early 21s... |
Bicycle transportation planning and engineering | Bicycle transportation planning and engineering are the disciplines related to transportation engineering and transportation planning concerning bicycles as a mode of transport and the concomitant study, design and implementation of cycling infrastructure. It includes the study and design of dedicated transport facilit... |
Boat | A boat is a watercraft of a large range of types and sizes, but generally smaller than a ship, which is distinguished by its larger size or capacity, its shape, or its ability to carry boats.
Small boats are typically used on inland waterways such as rivers and lakes, or in protected coastal areas. However, some boats ... |
Bombardier Aerospace | Bombardier Aviation, a division of Bombardier Inc., is headquartered in Dorval, Quebec, Canada. The company currently produces the Global and Challenger series of business jets.
At its peak, Bombardier operated manufacturing plants in 27 countries and employed over 70,000 workers. However, under financial pressure, it... |
Bomber | A bomber is a military combat aircraft that utilizes
air-to-ground weaponry to drop bombs, launch torpedoes, or deploy air-launched cruise missiles.
There are two major classifications of bomber: strategic and tactical. Strategic bombing is done by heavy bombers primarily designed for long-range bombing missions again... |
Buoyancy | Buoyancy (), or upthrust, is the force exerted by a fluid opposing the weight of a partially or fully immersed object (which may be also be a parcel of fluid). In a column of fluid, pressure increases with depth as a result of the weight of the overlying fluid. Thus, the pressure at the bottom of a column of fluid is g... |
Bus | A bus (contracted from omnibus, with variants multibus, motorbus, autobus, etc.) is a motor vehicle that carries significantly more passengers than an average car or van, but fewer than the average rail transport. It is most commonly used in public transport, but is also in use for charter purposes, or through private ... |
C-130 Hercules | The Lockheed C-130 Hercules is an American four-engine turboprop military transport aircraft designed and built by Lockheed (now Lockheed Martin). Capable of using unprepared runways for takeoffs and landings, the C-130 was originally designed as a troop, medevac, and cargo transport aircraft. The versatile airframe ha... |
C-17 Globemaster III | The McDonnell Douglas/Boeing C-17 Globemaster III is a large military transport aircraft developed for the United States Air Force (USAF) between the 1980s to the early 1990s by McDonnell Douglas. The C-17 carries forward the name of two previous piston-engined military cargo aircraft, the Douglas C-74 Globemaster and ... |
Cable transport | Cable transport is a broad class of transport modes that have cables. They transport passengers and goods, often in vehicles called cable cars. The cable may be driven or passive, and items may be moved by pulling, sliding, sailing, or by drives within the object being moved on cableways. The use of pulleys and balanci... |
Canada | Canada is a country in North America. Its ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, making it the world's second-largest country by total area, with the world's longest coastline. Its border with the United States is the world's longest ... |
Car | A car, or an automobile, is a motor vehicle with wheels. Most definitions of cars state that they run primarily on roads, seat one to eight people, have four wheels, and mainly transport people rather than cargo. There are around one billion cars in use worldwide.
The French inventor Nicolas-Joseph Cugnot built the fir... |
Car costs | A car's internal costs are all the costs consumers pay to own and operate a car. Normally these expenditures are divided into fixed or standing costs and variable or running costs. Fixed costs are those which do not depend on the distance traveled by the vehicle and which the owner must pay to keep the vehicle ready fo... |
Carbon dioxide | Carbon dioxide is a chemical compound with the chemical formula CO2. It is made up of molecules that each have one carbon atom covalently double bonded to two oxygen atoms. It is found in a gas state at room temperature and at normally-encountered concentrations it is odorless. As the source of carbon in the carbon cyc... |
Cargo aircraft | A cargo aircraft (also known as freight aircraft, freighter, airlifter or cargo jet) is a fixed-wing aircraft that is designed or converted for the carriage of cargo rather than passengers. Such aircraft generally feature one or more large doors for loading cargo. Passenger amenities are removed or not installed, altho... |
Cessna | Cessna () is an American brand of general aviation aircraft owned by Textron Aviation since 2014, headquartered in Wichita, Kansas. Originally, it was a brand of the Cessna Aircraft Company, an American general aviation aircraft manufacturing corporation also headquartered in Wichita. The company produced small, piston... |
Cessna 172 | The Cessna 172 Skyhawk is an American four-seat, single-engine, high wing, fixed-wing aircraft made by the Cessna Aircraft Company. First flown in 1955, more 172s have been built than any other aircraft. It was developed from the 1948 Cessna 170 but with tricycle landing gear rather than conventional landing gear. The ... |
Charles Kingsford Smith | Sir Charles Edward Kingsford Smith (9 February 1897 – 8 November 1935), nicknamed Smithy, was an Australian aviation pioneer. He piloted the first transpacific flight and the first flight between Australia and New Zealand.
Kingsford Smith was born in Brisbane. He grew up in Sydney, leaving school at the age of 16 and b... |
Charles Lindbergh | Charles Augustus Lindbergh (February 4, 1902 – August 26, 1974) was an American aviator, military officer, and author. On May 20–21, 1927, he made the first nonstop flight from New York to Paris, a distance of 3,600 miles (5,800 km). His aircraft, the Spirit of St. Louis, was built to compete for the $25,000 Orteig Pri... |
China | China, officially the People's Republic of China (PRC), is a country in East Asia. With a population exceeding 1.4 billion, it is the second-most populous country after India, representing 17.4% of the world population. China spans the equivalent of five time zones and borders fourteen countries by land across an area ... |
Cirrus cloud | Cirrus (cloud classification symbol: Ci) is a genus of high cloud made of ice crystals. Cirrus clouds typically appear delicate and wispy with white strands. In the Earth's atmosphere, cirrus are usually formed when warm, dry air rises, causing water vapor deposition onto mineral dust and metallic particles at high alt... |
Civil aviation | Civil aviation is one of two major categories of flying, representing all non-military and non-state aviation, which can be both private and commercial. Most countries in the world are members of the International Civil Aviation Organization and work together to establish common Standards and Recommended Practices for ... |
Climate change mitigation | Climate change mitigation (or decarbonisation) is action to limit the greenhouse gases in the atmosphere that cause climate change. Climate change mitigation actions include conserving energy and replacing fossil fuels with clean energy sources. Secondary mitigation strategies include changes to land use and removing c... |
Climate crisis | Climate crisis is a term that is used to describe global warming and climate change and their effects. This term and the term climate emergency have been used to emphasize the threat of global warming to Earth's natural environment and to humans, and to urge aggressive climate change mitigation and transformational ada... |
Cloud computing | Cloud computing is "a paradigm for enabling network access to a scalable and elastic pool of shareable physical or virtual resources with self-service provisioning and administration on-demand," according to ISO.
== Essential characteristics ==
In 2011, the National Institute of Standards and Technology (NIST) identif... |
Clément Ader | Clément Ader (French pronunciation: [klemɑ̃ adɛʁ]; 2 April 1841 – 3 May 1925) was a French inventor and engineer who was born near Toulouse in Muret, Haute-Garonne, and died in Toulouse. He is remembered primarily for his pioneering work in aviation. In 1870 he was also one of the pioneers in the sport of cycling in Fr... |
Comac | The Commercial Aircraft Corporation of China, Ltd. (Comac, sometimes stylized as COMAC, Chinese: 中国商用飞机有限责任公司) is a Chinese state-owned aerospace manufacturer established on 11 May 2008 in Shanghai. The headquarters are in Pudong, Shanghai. The company has a registered capital of RMB 19 billion (US$2.7 billion as of Ma... |
Comac ARJ21 | The Comac C909, originally known as the ARJ21 Xiangfeng (Chinese: 翔凤; pinyin: xiángfèng; lit. 'Soaring Phoenix'), is a 78–90 seat regional jet manufactured by the Chinese state-owned aerospace company Comac.
Development of the ARJ21 began in March 2002, led by the state-owned ACAC consortium. The first prototype was r... |
Combustion | Combustion, or burning, is a high-temperature exothermic redox chemical reaction between a fuel (the reductant) and an oxidant, usually atmospheric oxygen, that produces oxidized, often gaseous products, in a mixture termed as smoke. Combustion does not always result in fire, because a flame is only visible when substa... |
Commercial aviation | Commercial aviation is the part of civil aviation that involves operating aircraft for remuneration or hire, as opposed to private aviation.
== Definition ==
Commercial aviation is not a rigorously defined category. All commercial air transport and aerial work operations are regarded as commercial aviation, as well as... |
Communication | Communication is commonly defined as the transmission of information. Its precise definition is disputed and there are disagreements about whether unintentional or failed transmissions are included and whether communication not only transmits meaning but also creates it. Models of communication are simplified overviews... |
Communications satellite | A communications satellite is an artificial satellite that relays and amplifies radio telecommunication signals via a transponder; it creates a communication channel between a source transmitter and a receiver at different locations on Earth. Communications satellites are used for television, telephone, radio, internet... |
Composite material | A composite or composite material (also composition material) is a material which is produced from two or more constituent materials. These constituent materials have notably dissimilar chemical or physical properties and are merged to create a material with properties unlike the individual elements. Within the finishe... |
Concorde | Concorde () is a retired Anglo-French supersonic airliner jointly developed and manufactured by Sud Aviation and the British Aircraft Corporation (BAC).
Studies started in 1954, and France and the United Kingdom signed a treaty establishing the development project on 29 November 1962, as the programme cost was estimate... |
Condensation trails | Contrails (; short for "condensation trails") or vapour trails are line-shaped clouds produced by aircraft engine exhaust or changes in air pressure, typically at aircraft cruising altitudes several kilometres/miles above the Earth's surface. They are composed primarily of water, in the form of ice crystals. The combin... |
Contrail | Contrails (; short for "condensation trails") or vapour trails are line-shaped clouds produced by aircraft engine exhaust or changes in air pressure, typically at aircraft cruising altitudes several kilometres/miles above the Earth's surface. They are composed primarily of water, in the form of ice crystals. The combin... |
Convention on International Civil Aviation | The Convention on International Civil Aviation, also known as the Chicago Convention, established the International Civil Aviation Organization (ICAO), a specialized agency of the United Nations charged with coordinating international air travel. The Convention establishes rules of airspace, aircraft registration and s... |
Cyclability | Cyclability is the degree of ease of bicycle circulation. A greater degree of cyclability in cities is related, among others, to benefits for people's health, lower levels of air and noise pollution, improved fluidity of traffic or increased productivity.
== Cyclability factors ==
Among the factors that affect cyclabi... |
Cycle rickshaw | The cycle rickshaw is a small-scale local means of transport. It is a type of tricycle designed to carry passengers on a for-hire basis. It is also known by a variety of other names such as bike taxi, velotaxi, pedicab, bikecab, cyclo, beca, becak, trisikad, sikad, tricycle taxi, trishaw, or hatchback bike.
While the r... |
Cycling infrastructure | Cycling infrastructure is all infrastructure cyclists are allowed to use. Bikeways include bike paths, bike lanes, cycle tracks, rail trails and, where permitted, sidewalks. Roads used by motorists are also cycling infrastructure, except where cyclists are barred such as many freeways/motorways. It includes amenities s... |
Dassault Mirage IV | The Dassault Mirage IV is a French supersonic strategic bomber and deep-reconnaissance aircraft. Developed by Dassault Aviation, the aircraft entered service with the French Air Force in October 1964. For many years it was a vital part of the nuclear triad of the Force de Frappe, France's nuclear deterrent striking for... |
David Schwarz (aviation inventor) | David Schwarz (Hungarian: Schwarz Dávid; Croatian: David Švarc, pronounced [dǎʋit ʃʋârt͡s]; 20 December 1850 – 13 January 1897) was a Hungarian aviation pioneer. He is known for creating an airship with a rigid envelope made entirely of metal. Schwarz died only months before the airship was flown. Some sources have cla... |
De Havilland Comet | The de Havilland DH.106 Comet is the world's first commercial jet airliner. Developed and manufactured by de Havilland in the United Kingdom, the Comet 1 prototype first flew in 1949. It features an aerodynamically clean design with four de Havilland Ghost turbojet engines buried in the wing roots, a pressurised cabin,... |
Delta Airlines | Delta Air Lines, Inc. is a major airline in the United States headquartered in Atlanta, Georgia, operating nine hubs, with Hartsfield–Jackson Atlanta International Airport being its largest in terms of total passengers and number of departures. With its regional subsidiaries and contractors operating under the brand na... |
Doi (identifier) | A digital object identifier (DOI) is a persistent identifier or handle used to uniquely identify various objects, standardized by the International Organization for Standardization (ISO). DOIs are an implementation of the Handle System; they also fit within the URI system (Uniform Resource Identifier). They are widely ... |
Douglas DC-3 | The Douglas DC-3 is a propeller-driven airliner manufactured by the Douglas Aircraft Company, which had a lasting effect on the airline industry in the 1930s to 1940s and World War II.
It was developed as a larger, improved 14-bed sleeper version of the Douglas DC-2.
It is a low-wing metal monoplane with conventional l... |
E-8 Joint STARS | The Northrop Grumman E-8 Joint Surveillance Target Attack Radar System (Joint STARS) is a retired United States Air Force (USAF) airborne ground surveillance, battle management and command and control aircraft. It tracked ground vehicles and some aircraft, collected imagery, and relayed tactical pictures to ground and ... |
Early flying machines | Early flying machines include all forms of aircraft studied or constructed before the development of the modern aeroplane by 1910. The story of modern flight begins more than a century before the first successful manned aeroplane, and the earliest aircraft thousands of years before.
== Primitive beginnings ==
=== Leg... |
Eilmer of Malmesbury | Eilmer of Malmesbury (also known as Oliver due to a scribe's miscopying, or Elmer, or Æthelmær) was an 11th-century English Benedictine monk best known for his early attempt at a gliding flight using wings.
== Life ==
Eilmer was a monk of Malmesbury Abbey who wrote on astrology. All that is known of him is from the Ge... |
Ejection seat | In aircraft, an ejection seat or ejector seat is a system designed to rescue the pilot or other crew of an aircraft (usually military) in an emergency. In most designs, the seat is propelled out of the aircraft by an explosive charge or rocket motor, carrying the pilot with it. The concept of an ejectable escape crew c... |
Electric battery | An electric battery is a source of electric power consisting of one or more electrochemical cells with external connections for powering electrical devices. When a battery is supplying power, its positive terminal is the cathode and its negative terminal is the anode. The terminal marked negative is the source of elect... |
Electricity | Electricity is the set of physical phenomena associated with the presence and motion of matter possessing an electric charge. Electricity is related to magnetism, both being part of the phenomenon of electromagnetism, as described by Maxwell's equations. Common phenomena are related to electricity, including lightning,... |
Environmental impact of aviation | Aircraft engines produce gases, noise, and particulates from fossil fuel combustion, raising environmental concerns over their global effects and their effects on local air quality.
Jet airliners contribute to climate change by emitting carbon dioxide (CO2), the best understood greenhouse gas, and, with less scientific... |
Ethanol | Ethanol (also called ethyl alcohol, grain alcohol, drinking alcohol, or simply alcohol) is an organic compound with the chemical formula CH3CH2OH. It is an alcohol, with its formula also written as C2H5OH, C2H6O or EtOH, where Et stands for ethyl. Ethanol is a volatile, flammable, colorless liquid with a characteristic... |
Eurofighter Typhoon | The Eurofighter Typhoon is a European multinational twin-engine, supersonic, canard delta wing, multirole fighter. The Typhoon was designed originally as an air-superiority fighter and is manufactured by a consortium of Airbus, BAE Systems and Leonardo that conducts the majority of the project through a joint holding c... |
Extended reality | Extended reality (XR) is both an umbrella term to refer to and interpolate between augmented reality (AR), mixed reality (MR), and virtual reality (VR), as well as to extrapolate (extend) beyond these, e.g. allowing us to see sound waves, radio waves, and otherwise invisible phenomena. The technology is intended to com... |
Externalities of cars | The externalities of automobiles, similar to other economic externalities, represent the measurable costs imposed on those who do not own the vehicle, in contrast to the costs borne by the vehicle owner. These externalities include factors such as air pollution, noise, traffic congestion, and road maintenance costs, wh... |
F-16 | The General Dynamics F-16 Fighting Falcon is an American single-engine supersonic multirole fighter aircraft originally developed by General Dynamics for the United States Air Force (USAF). Designed as an air superiority day fighter, it evolved into a successful all-weather multirole aircraft with over 4,600 built sinc... |
F-22 | The Lockheed Martin/Boeing F-22 Raptor is an American twin-engine, jet-powered, all-weather, supersonic stealth fighter aircraft. As a product of the United States Air Force's Advanced Tactical Fighter (ATF) program, the aircraft was designed as an air superiority fighter, but also incorporates ground attack, electroni... |
F-35 | The Lockheed Martin F-35 Lightning II is an American family of single-seat, single-engine, supersonic stealth strike fighters. A multirole combat aircraft designed for both air superiority and strike missions, it also has electronic warfare and intelligence, surveillance, and reconnaissance capabilities. Lockheed Marti... |
Facial recognition system | A facial recognition system is a technology potentially capable of matching a human face from a digital image or a video frame against a database of faces. Such a system is typically employed to authenticate users through ID verification services, and works by pinpointing and measuring facial features from a given imag... |
Ferry | A ferry is a boat that transports passengers, and occasionally vehicles and cargo, across a body of water. A small passenger ferry with multiple stops, like those in Venice, Italy, is sometimes referred to as a water taxi or water bus.
Ferries form a part of the public transport systems of many waterside cities and isl... |
Fighter aircraft | Fighter aircraft (early on also pursuit aircraft) are military aircraft designed primarily for air-to-air combat. In military conflict, the role of fighter aircraft is to establish air superiority of the battlespace. Domination of the airspace above a battlefield permits bombers and attack aircraft to engage in tactica... |
Fixed-wing aircraft | A fixed-wing aircraft is a heavier-than-air aircraft, such as an airplane, which is capable of flight using aerodynamic lift. Fixed-wing aircraft are distinct from rotary-wing aircraft (in which a rotor mounted on a spinning shaft generates lift), and ornithopters (in which the wings oscillate to generate lift). The wi... |
Flag carrier | A flag carrier is a transport company, such as an airline or shipping company, that, being locally registered in a given sovereign state, enjoys preferential rights or privileges accorded by that government for international operations.
Historically, the term was used to refer to airlines owned by the government of th... |
Flight airspeed record | An air speed record is the highest airspeed attained by an aircraft of a particular class. The rules for all official aviation records are defined by Fédération Aéronautique Internationale (FAI), which also ratifies any claims. Speed records are divided into a number of classes with sub-divisions. There are three class... |
Flight altitude record | This listing of flight altitude records are the records set for the highest aeronautical flights conducted in the atmosphere and beyond, set since the age of ballooning.
Some, but not all of the records were certified by the non-profit international aviation organization, the Fédération Aéronautique Internationale (FAI... |
Flight distance record | This list of flight distance records contains only those set without any mid-air refueling.
== Non-commercial powered aircraft ==
== Commercial aircraft ==
=== Shortest distance ===
The Loganair Westray to Papa Westray route and its return flight make up the shortest flight distance for any scheduled air carrier ser... |
Flight dynamics (fixed-wing aircraft) | Flight dynamics is the science of air vehicle orientation and control in three dimensions. The three critical flight dynamics parameters are the angles of rotation in three dimensions about the vehicle's center of gravity (cg), known as pitch, roll and yaw. These are collectively known as aircraft attitude, often princ... |
Flight endurance record | The flight endurance record is the longest amount of time an aircraft of a particular category spent in flight without landing. It can be a solo event, or multiple people can take turns piloting the aircraft, as long as all pilots remain in the aircraft. The limit initially was the amount of fuel that could be stored f... |
Flight length | In aviation, the flight length or flight distance refers to the distance of a flight. Aircraft do not necessarily follow the great-circle distance, but may opt for a longer route due to weather, traffic, to utilise a jet stream, or to refuel.
Commercial flights are often categorized into long-, medium- or short-haul by... |
Flight training | Flight training is a course of study used when learning to pilot an aircraft. The overall purpose of primary and intermediate flight training is the acquisition and honing of basic airmanship skills.
Flight training can be conducted under a structured accredited syllabus with a flight instructor at a flight school or a... |
Fort Myer | Fort Myer is the previous name used for a U.S. Army post next to Arlington National Cemetery in Arlington County, Virginia, and across the Potomac River from Washington, D.C. Founded during the American Civil War as Fort Cass and Fort Whipple, the post merged in 2005 with the neighboring Marine Corps installation, Hend... |
France | France, officially the French Republic, is a country located primarily in Western Europe. Its overseas regions and territories include French Guiana in South America, Saint Pierre and Miquelon in the North Atlantic, the French West Indies, and many islands in Oceania and the Indian Ocean, giving it one of the largest d... |
Free content | Free content, libre content, libre information, or free information is any kind of creative work, such as a work of art, a book, a software program, or any other creative content for which there are very minimal copyright and other legal limitations on usage, modification and distribution. These are works or expression... |
Free public transport | Free public transport, often called fare-free public transit or zero-fare public transport, is public transport which is fully funded by means other than collecting fares from passengers. It may be funded by national, regional or local government through taxation, and/or by commercial sponsorship by businesses. Alterna... |
Fuel economy in aircraft | The fuel economy in aircraft is the measure of the transport energy efficiency of aircraft.
Fuel efficiency is increased with better aerodynamics and by reducing weight, and with improved engine brake-specific fuel consumption and propulsive efficiency or thrust-specific fuel consumption.
Endurance and range can be max... |
Gas turbine | A gas turbine or gas turbine engine is a type of continuous flow internal combustion engine. The main parts common to all gas turbine engines form the power-producing part (known as the gas generator or core) and are, in the direction of flow:
a rotating gas compressor
a combustor
a compressor-driving turbine.
Additio... |
Gasoline | Gasoline (North American English) or petrol (Commonwealth English) is a petrochemical product characterized as a transparent, yellowish, and flammable liquid normally used as a fuel for spark-ignited internal combustion engines. When formulated as a fuel for engines, gasoline is chemically composed of organic compounds... |
General Electric | General Electric Company (GE) was an American multinational conglomerate founded in 1892, incorporated in the state of New York and headquartered in Boston.
Over the years, the company had multiple divisions, including aerospace, energy, healthcare, lighting, locomotives, appliances, and finance. In 2020, GE ranked am... |
George Cayley | Sir George Cayley, 6th Baronet (27 December 1773 – 15 December 1857) was an English engineer, inventor, and aviator. He is one of the most important people in the history of aeronautics. Many consider him to be the first true scientific aerial investigator and the first person to understand the underlying principles an... |
Glider (aircraft) | A glider is a fixed-wing aircraft that is supported in flight by the dynamic reaction of the air against its lifting surfaces, and whose free flight does not depend on an engine. Most gliders do not have an engine, although motor-gliders have small engines for extending their flight when necessary by sustaining the alt... |
Glider (sailplane) | A glider or sailplane is a type of glider aircraft used in the leisure activity and sport of gliding (also called soaring). This unpowered aircraft can use naturally occurring currents of rising air in the atmosphere to gain altitude. Sailplanes are aerodynamically streamlined and so can fly a significant distance forw... |
Global Positioning System | The Global Positioning System (GPS) is a satellite-based hyperbolic navigation system owned by the United States Space Force and operated by Mission Delta 31. It is one of the global navigation satellite systems (GNSS) that provide geolocation and time information to a GPS receiver anywhere on or near the Earth where t... |
Green transport hierarchy | The green transport hierarchy (Canada), also called reverse traffic pyramid, street user hierarchy (US), sustainable transport hierarchy (Wales), urban transport hierarchy or road user hierarchy (Australia, UK) is a hierarchy of modes of passenger transport prioritising green transport. It is a concept used in transpor... |
Greenhouse gas | Greenhouse gases (GHGs) are the gases in the atmosphere that raise the surface temperature of planets such as the Earth. Unlike other gases, greenhouse gases absorb the radiations that a planet emits, resulting in the greenhouse effect. The Earth is warmed by sunlight, causing its surface to radiate heat, which is then... |
Ground attack | Close air support (CAS) is defined as aerial warfare actions—often air-to-ground actions such as strafes or airstrikes—by military aircraft against hostile targets in close proximity to friendly forces. A form of fire support, CAS requires detailed integration of each air mission with fire and movement of all forces in... |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.