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Neologism | In linguistics, a neologism (; also known as a coinage) is any newly formed word, term, or phrase that has achieved popular or institutional recognition and is becoming accepted into mainstream language. Most definitively, a word can be considered a neologism once it is published in a dictionary.
Neologisms are one fac... |
Nitrogen oxide | Nitrogen oxide may refer to a binary compound of oxygen and nitrogen, or a mixture of such compounds:
== Charge-neutral ==
Nitric oxide (NO), nitrogen(II) oxide, or nitrogen monoxide
Nitrogen dioxide (NO2), nitrogen(IV) oxide
Nitrogen trioxide (NO3), or nitrate radical
Nitrous oxide (N2O), nitrogen(0,II) oxide
Dinitro... |
Noise pollution | Noise pollution, or sound pollution, is the propagation of noise or sound with potential harmful effects on humans and animals. The source of outdoor noise worldwide is mainly caused by machines, transport and propagation systems. Poor urban planning may give rise to noise disintegration or pollution, side-by-side indu... |
Open skies | The freedoms of the air, also called five freedoms of air transport, are a set of commercial aviation rights granting a country's airlines the privilege to enter and land in another country's airspace. They were formulated as a result of disagreements over the extent of aviation liberalisation in the Convention on Inte... |
Orville Wright | The Wright brothers, Orville Wright (August 19, 1871 – January 30, 1948) and Wilbur Wright (April 16, 1867 – May 30, 1912), were American aviation pioneers generally credited with inventing, building, and flying the world's first successful airplane. They made the first controlled, sustained flight of an engine-powered... |
Otto Lilienthal | Karl Wilhelm Otto Lilienthal (23 May 1848 – 10 August 1896) was a German pioneer of aviation who became known as the "flying man". He was the first person to make well-documented, repeated, successful flights with gliders, therefore making the idea of heavier-than-air aircraft a reality. Newspapers and magazines publis... |
Outline of animal-powered transport | The following outline is provided as an overview of and topical guide to transport:
Transport or transportation – movement of people and goods from one place to another.
== Essence of transport ==
Driving involves controlling a vehicle, usually a motor vehicle such as a truck, bus, or automobile. For motorcycles, bicy... |
Outline of transport | The following outline is provided as an overview of and topical guide to transport:
Transport or transportation – movement of people and goods from one place to another.
== Essence of transport ==
Driving involves controlling a vehicle, usually a motor vehicle such as a truck, bus, or automobile. For motorcycles, bicy... |
Pan Am | Pan American World Airways, originally founded as Pan American Airways and more commonly known as Pan Am, was an airline that was the principal and largest international air carrier and unofficial overseas flag carrier of the United States for much of the 20th century. The first airline to fly worldwide, it pioneered i... |
Panavia Tornado | The Panavia Tornado is a family of twin-engine, variable-sweep wing multi-role combat aircraft, jointly developed and manufactured by Italy, the United Kingdom and Germany. There are three primary Tornado variants: the Tornado IDS (interdictor/strike) fighter-bomber, the Tornado ECR (electronic combat/reconnaissance) S... |
Parachuting | Parachuting and skydiving are methods of descending from a high point in an atmosphere to the ground or ocean surface with the aid of gravity, involving the control of speed during the descent using a parachute or multiple parachutes.
For human skydiving, there is often a phase of free fall (the skydiving segment), whe... |
Paragliding | Paragliding is the recreational and competitive adventure sport of flying paragliders: lightweight, free-flying, foot-launched glider aircraft with no rigid primary structure. The pilot sits in a harness or in a cocoon-like 'pod' suspended below a fabric wing. Wing shape is maintained by the suspension lines, the press... |
Patent | A patent is a type of intellectual property that gives its owner the legal right to exclude others from making, using, or selling an invention for a limited period of time in exchange for publishing an enabling disclosure of the invention. In most countries, patent rights fall under private law and the patent holder mu... |
Patent application | A patent application is a request pending at a patent office for the grant of a patent for an invention described in the patent specification and a set of one or more claims stated in a formal document, including necessary official forms and related correspondence. It is the combination of the document and its processi... |
People Powered Vehicle | The People Powered Vehicle, or PPV, was a two-person pedal-powered car introduced in the United States during the oil crisis of the early 1970s. Manufactured by EVI of Sterling Heights, Michigan, it sold for less than $400. Although it offered luggage space and was marketed as a fun and practical vehicle, it offered li... |
Personal public transport | Personal public transport (PPT) is a network of private rental vehicles for users to drive, distributed at fixed locations throughout an area and available to the general public in such a way that each user has the ability to determine the route and schedule on a self-service basis (without advance prebooking). The des... |
Personal rapid transit | Personal rapid transit (PRT), also referred to as podcars or guided/railed taxis, is a public transport mode featuring a network of specially built guideways on which ride small automated vehicles that carry few (generally less than 6) passengers per vehicle. PRT is a type of automated guideway transit (AGT), a class o... |
Personal transporter | A personal transporter (also powered transporter, electric rideable, personal light electric vehicle, personal mobility device, etc.) is any of a class of compact, mostly recent (21st century), motorised micromobility vehicle for transporting an individual at speeds that do not normally exceed 25 km/h (16 mph). They in... |
Pipeline | A pipeline is a system of pipes for long-distance transportation of a liquid or gas, typically to a market area for consumption. The latest data from 2014 gives a total of slightly less than 2,175,000 miles (3,500,000 km) of pipeline in 120 countries around the world. The United States had 65%, Russia had 8%, and Canad... |
Piper Aircraft | Piper Aircraft, Inc. is a manufacturer of general aviation aircraft, located at the Vero Beach Regional Airport in Vero Beach, Florida, United States and owned since 2009 by the Government of Brunei. Throughout much of the mid-to-late 20th century, it was considered to be one of the "Big Three" in the field of general ... |
Piper Cub | The Piper J-3 Cub is an American light aircraft that was built between 1938 and 1947 by Piper Aircraft. The aircraft has a simple, lightweight design which gives it good low-speed handling properties and short-field performance. The Cub is Piper Aircraft's second most-produced model after the PA-28 Cherokee series (>32... |
Power-to-weight ratio | Power-to-weight ratio (PWR, also called specific power, or power-to-mass ratio) is a calculation commonly applied to engines and mobile power sources to enable the comparison of one unit or design to another. Power-to-weight ratio is a measurement of actual performance of any engine or power source. It is also used as ... |
Powered hang glider | A foot-launched powered hang glider (FLPHG), also called powered harness, nanolight, or hangmotor, is a powered hang glider harness with a motor and propeller often in pusher configuration, although some can be found in tractor configuration. An ordinary hang glider is used for its wing and control frame, and the pilot... |
Private aviation | Private aviation is the part of civil aviation that does not include flying for hire, which is termed commercial aviation. In 2022, private air travel was noted as increasing.
== Definition ==
Private aviation and commercial aviation are not rigorously defined. In general, private aviation is regarded as flights that... |
Private transport | Private transport (as opposed to public transport) is the personal or individual use of transportation which are not available for use by the general public, where in theory the user can decide freely on the time and route of transit ('choice rider' vs. 'captive rider'), using vehicles such as: private car, company car... |
Propulsion | Propulsion is the generation of force by any combination of pushing or pulling to modify the translational motion of an object, which is typically a rigid body (or an articulated rigid body) but may also concern a fluid. The term is derived from two Latin words: pro, meaning before or forward; and pellere, meaning to d... |
Public transport | Public transport (also known as public transportation, public transit, mass transit, or simply transit) is a system of transport for passengers by group travel systems available for use by the general public unlike private transport, typically managed on a schedule, operated on established routes, and that may charge a... |
Public transport accessibility level | The public transport accessibility level (PTAL) is a method sometimes used in United Kingdom transport planning to assess the access level of geographical areas to public transport.
PTAL is a simple, easily calculated approach that hinges on the distance from any point to the nearest public transport stop, and service ... |
Public transport timetable | A public transport timetable (also timetable and North American English schedule) is a document setting out information on public transport service times. Both public timetables to assist passengers with planning a trip and internal timetables to inform employees exist. Typically, the timetable will list the times when... |
R38-class airship | The R.38 class (also known as the A class) of rigid airships was designed for Britain's Royal Navy during the final months of the First World War, intended for long-range patrol duties over the North Sea. Four similar airships were originally ordered by the Admiralty, but orders for three of these (R.39, R.40 and R.41)... |
RC-135 | The Boeing RC-135 is a family of large reconnaissance aircraft built by Boeing and modified by a number of companies, including General Dynamics, Lockheed, LTV, E-Systems, L3Harris Technologies, and used by the United States Air Force and Royal Air Force to produce theater and national level intelligence with near real... |
RQ-4 | The Northrop Grumman RQ-4 Global Hawk is a high-altitude, remotely-piloted surveillance aircraft introduced in 2001. It was initially designed by Ryan Aeronautical (now part of Northrop Grumman), and known as Tier II+ during development. The RQ-4 provides a broad overview and systematic surveillance using high-resoluti... |
RTX Corporation | RTX Corporation, formerly Raytheon Technologies Corporation, is an American multinational aerospace and defense conglomerate headquartered in Arlington, Virginia. It is one of the largest aerospace and defense manufacturers in the world by revenue and market capitalization, as well as one of the largest providers of in... |
Radar | Radar is a system that uses radio waves to determine the distance (ranging), direction (azimuth and elevation angles), and radial velocity of objects relative to the site. It is a radiodetermination method used to detect and track aircraft, ships, spacecraft, guided missiles, motor vehicles, map weather formations, and... |
Rapid transit | Rapid transit or mass rapid transit (MRT) or heavy rail, commonly referred to as metro, is a type of high-capacity public transport that is generally built in urban areas. A grade separated rapid transit line below ground surface through a tunnel can be regionally called a subway, tube, metro or underground. They are s... |
Regional airliner | A regional airliner, commuter airliner or feeder liner is a small airliner that is designed to fly up to 100 passengers on short-haul flights, usually feeding larger carriers' airline hubs from small markets. This class of airliners is typically flown by the regional airlines that are either contracted by or subsidiari... |
Rigid airship | A rigid airship is a type of airship (or dirigible) in which the envelope is supported by an internal framework rather than by being kept in shape by the pressure of the lifting gas within the envelope, as in blimps (also called pressure airships) and semi-rigid airships. Rigid airships are often commonly called Zeppel... |
Road transport | Road transport or road transportation is a type of transport using roads. Transport on roads can be roughly grouped into the transportation of goods and transportation of people. In many countries licensing requirements and safety regulations ensure a separation of the two industries. Movement along roads may be by bik... |
Robotics | Robotics is the interdisciplinary study and practice of the design, construction, operation, and use of robots.
Within mechanical engineering, robotics is the design and construction of the physical structures of robots, while in computer science, robotics focuses on robotic automation algorithms. Other disciplines con... |
Rocket | A rocket (from Italian: rocchetto, lit. ''bobbin/spool'', and so named for its shape) is a vehicle that uses jet propulsion to accelerate without using any surrounding air. A rocket engine produces thrust by reaction to exhaust expelled at high speed. Rocket engines work entirely from propellant carried within the vehi... |
Rolls-Royce Holdings | Rolls-Royce Holdings plc is a British multinational aerospace and defence company incorporated in February 2011. The company owns Rolls-Royce, a business established in 1904 which today designs, manufactures and distributes power systems for aviation and other industries. Rolls-Royce is the world's second-largest maker... |
Ryanair | Ryanair is an Irish ultra low-cost airline group headquartered in Swords, County Dublin, Ireland. The parent company Ryanair Holdings plc includes subsidiaries Ryanair DACTooltip Designated activity company, Malta Air, Buzz, Lauda Europe and Ryanair UK. Ryanair DAC, the oldest airline of the group, was founded in 1984.... |
Safran | Safran S.A. (French pronunciation: [safʁɑ̃]) is a French multinational aerospace, defence and security corporation headquartered in Paris. It designs, develops and manufactures both commercial and military aircraft engines; launch vehicle, spacecraft and missile propulsion systems; as well as various other aerospace an... |
Scheduled air transport | An airline is a company that provides air transport services for traveling passengers or freight (cargo). Airlines use aircraft to supply these services and may form partnerships or alliances with other airlines for codeshare agreements, in which they both offer and operate the same flight. Generally, airline companies... |
School bus | A school bus is any type of bus owned, leased, contracted to, or operated by a school or school district. It is regularly used to transport students to and from school or school-related activities, but not including a charter bus or transit bus. Various configurations of school buses are used worldwide; the most iconic... |
Security | Security is protection from, or resilience against, potential harm (or other unwanted coercion). Beneficiaries (technically referents) of security may be persons and social groups, objects and institutions, ecosystems, or any other entity or phenomenon vulnerable to unwanted change.
Security mostly refers to protecti... |
September 11 attacks | The September 11 attacks, also known as 9/11, were four coordinated Islamist terrorist suicide attacks by al-Qaeda against the United States in 2001. Nineteen terrorists hijacked four commercial airliners, crashing the first two into the Twin Towers of the World Trade Center in New York City and the third into the Pent... |
Severe acute respiratory syndrome | Severe acute respiratory syndrome (SARS) is a viral respiratory disease of zoonotic origin caused by the virus SARS-CoV-1, the first identified strain of the SARS-related coronavirus. The first known cases occurred in November 2002, and the syndrome caused the 2002–2004 SARS outbreak. In 2004, Xue Wu Zhang and Yee Leng... |
Shah | Shāh (; Persian: شاه, lit. 'king'; [ˈʃɒːɦ] ) is a royal title that was historically used by the leading figures of Iranian monarchies. It was also used by a variety of Persianate societies, such as the Ottoman Empire, the Khanate of Bukhara, the Emirate of Bukhara, the Mughal Empire, the Bengal Sultanate, historical Af... |
Ship | A ship is a large vessel that travels the world's oceans and other navigable waterways, carrying cargo or passengers, or in support of specialized missions, such as defense, research and fishing. Ships are generally distinguished from boats, based on size, shape, load capacity and purpose. Ships have supported explorat... |
Societal effects of cars | Since the start of the twentieth century, the role of cars has become highly important, though controversial. They are used throughout the world and have become the most popular mode of transport in many of the more developed countries. In developing countries cars are fewer and the effects of the car on society are le... |
Solar energy | Solar energy is the radiant energy from the Sun's light and heat, which can be harnessed using a range of technologies such as solar electricity, solar thermal energy (including solar water heating) and solar architecture. It is an essential source of renewable energy, and its technologies are broadly characterized as ... |
Solar power | Solar power, also known as solar electricity, is the conversion of energy from sunlight into electricity, either directly using photovoltaics (PV) or indirectly using concentrated solar power. Solar panels use the photovoltaic effect to convert light into an electric current. Concentrated solar power systems use lenses... |
Sonic boom | A sonic boom is a sound associated with shock waves created when an object travels through the air faster than the speed of sound. Sonic booms generate enormous amounts of sound energy, sounding similar to an explosion or a thunderclap to the human ear.
The crack of a supersonic bullet passing overhead or the crack of ... |
Soot | Soot ( suut) is a mass of impure carbon particles resulting from the incomplete combustion of hydrocarbons. Soot is considered a hazardous substance with carcinogenic properties. Most broadly, the term includes all the particulate matter produced by this process, including black carbon and residual pyrolysed fuel parti... |
South Korea | South Korea, officially the Republic of Korea (ROK), is a country in East Asia. It constitutes the southern half of the Korean Peninsula and borders North Korea along the Korean Demilitarized Zone, with the Yellow Sea to the west and the Sea of Japan to the east. Like North Korea, South Korea claims to be the sole legi... |
Southwest Airlines | Southwest Airlines Co., or simply Southwest, is a major airline in the United States that formerly operated on a low-cost carrier model. It is headquartered in the Love Field neighborhood of Dallas, Texas. It is the fourth-largest airline in North America when measured by passengers carried, as of 2023. With its all-Bo... |
SpaceShipOne | SpaceShipOne is an experimental air-launched rocket-powered aircraft with sub-orbital spaceflight capability at speeds of up to 3,000 ft/s (2,000 mph) / 910 m/s (3,300 km/h)
using a hybrid rocket motor. The design features a unique "feathering" atmospheric reentry system where the rear half of the wing and the twin tai... |
Spaceflight | Spaceflight (or space flight) is an application of astronautics to fly objects, usually spacecraft, into or through outer space, either with or without humans on board. Most spaceflight is uncrewed and conducted mainly with spacecraft such as satellites in orbit around Earth, but also includes space probes for flights ... |
Speech recognition | Speech recognition is an interdisciplinary subfield of computer science and computational linguistics that develops methodologies and technologies that enable the recognition and translation of spoken language into text by computers. It is also known as automatic speech recognition (ASR), computer speech recognition or... |
Strategic bombing | Strategic bombing is a systematically organized and executed military attack from the air which can utilize strategic bombers, long- or medium-range missiles, or nuclear-armed fighter-bomber aircraft to attack targets deemed vital to the enemy's war-making capability. It is a military strategy used in total war with th... |
Su-27 | The Sukhoi Su-27 (Russian: Сухой Су-27; NATO reporting name: Flanker) is a Soviet-origin twin-engine supersonic supermaneuverable fighter aircraft designed by Sukhoi. It was intended as a direct competitor for the large US fourth-generation jet fighters such as the Grumman F-14 Tomcat and McDonnell Douglas F-15 Eagle, ... |
Submarine | A submarine (often shortened to sub) is a watercraft capable of independent operation underwater. (It differs from a submersible, which has more limited underwater capability.) The term "submarine" is also sometimes used historically or informally to refer to remotely operated vehicles and robots, or to medium-sized or... |
Sukhoi | The JSC Sukhoi Company (Russian: АО «Компания „Сухой“», Russian pronunciation: [sʊˈxoj]) is a Russian aircraft manufacturer headquartered in Begovoy District, Northern Administrative Okrug, Moscow, that designs both civilian and military aircraft.
Sukhoi was founded in the Soviet Union by Pavel Sukhoi in 1939 as the Su... |
Sukhoi Su-25 | The Sukhoi Su-25 Grach (Russian: Грач (rook); NATO reporting name: Frogfoot) is a subsonic, single-seat, twin-engine jet aircraft developed in the Soviet Union by Sukhoi. It was designed to provide close air support for Soviet Ground Forces. The first prototype made its maiden flight on 22 February 1975. After testing,... |
Supersonic transport | A supersonic transport (SST) or a supersonic airliner is a civilian supersonic aircraft designed to transport passengers at speeds greater than the speed of sound in terms of air speed. To date, the only SSTs to see regular service have been Concorde and the Tupolev Tu-144. The last passenger flight of the Tu-144 was i... |
Surveillance aircraft | Surveillance aircraft are aircraft used for surveillance. They are primarily operated by military forces and government agencies in roles including intelligence gathering, maritime patrol, battlefield and airspace surveillance, observation (e.g. artillery spotting), and law enforcement.
Surveillance aircraft usually ca... |
Sustainability | Sustainability is a social goal for people to co-exist on Earth over a long period of time. Definitions of this term are disputed and have varied with literature, context, and time. Sustainability usually has three dimensions (or pillars): environmental, economic, and social. Many definitions emphasize the environmenta... |
Sustainable transport | Sustainable transport is transportation sustainable in terms of their social and environmental impacts. Components for evaluating sustainability include the particular vehicles used; the source of energy; and the infrastructure used to accommodate the transport (streets and roads, railways, airways, waterways and canal... |
Synthetic vision | A synthetic vision system (SVS) is a computer-mediated reality system for aerial vehicles, that uses 3D to provide pilots with clear and intuitive means of understanding their flying environment.
== Functionality ==
Synthetic vision provides situational awareness to the operators by using terrain, obstacle, geo-politi... |
Tactical bombing | Tactical bombing is aerial bombing aimed at targets of immediate military value, such as combatants, military installations, or military equipment. This is in contrast to strategic bombing, or attacking enemy cities and factories to cripple future military production and enemy civilians' will to support the war effort,... |
Taranto | Taranto (Italian pronunciation: [ˈtaːranto] ; Tarantino: Tarde; previously called Tarent in English) is a coastal city in Apulia, Southern Italy. It is the capital of the province of Taranto, serving as an important commercial port as well as the main Italian naval base.
Founded by Spartans in the 8th century BC during... |
Tenerife airport disaster | The Tenerife airport disaster occurred on 27 March 1977, when two Boeing 747 passenger jets collided on the runway at Los Rodeos Airport (now Tenerife North Airport) on the Spanish island of Tenerife. The incident occurred at 5:06 pm WET (UTC+0) in dense fog, when KLM Flight 4805 initiated its takeoff run, colliding wi... |
Tetraethyllead | Tetraethyllead (commonly styled tetraethyl lead), abbreviated TEL, is an organolead compound with the formula Pb(C2H5)4. It was widely used as a fuel additive for much of the 20th century, first being mixed with gasoline beginning in the 1920s. This "leaded gasoline" had an increased octane rating that allowed engine c... |
The Economist | The Economist is a British newspaper published weekly in printed magazine format and daily on digital platforms. It publishes stories on topics that include economics, business, geopolitics, technology and culture. Mostly written and edited in London, it has other editorial offices in the United States and in major cit... |
Thomas Selfridge | Thomas Etholen Selfridge (February 8, 1882 – September 17, 1908) was an American first lieutenant in the U.S. Army and the first person to die in an airplane crash. He was also the first active-duty member of the U.S. military to die in a crash while on duty. He was killed while seated as a passenger in a Wright Flyer,... |
Timeline of transportation technology | This is a timeline of transportation technology and technological developments in the culture of transportation.
== Antiquity ==
20th millennium BC – rafts used on rivers.
7th millennium BC – Earliest known shoes.
6th millennium BC – Dugout canoes constructed.
4th millennium BC – The earliest vehicles may have been o... |
Traffic reporting | Traffic reporting is the near real-time distribution of information about road conditions such as traffic congestion, detours, and traffic collisions. The reports help drivers anticipate and avoid traffic problems. Traffic reports, especially in cities, may also report on major delays to mass transit that does not nece... |
Train | A train (from Old French trahiner, from Latin trahere, "to pull, to draw") is a series of connected vehicles that run along a railway track and transport people or freight. Trains are typically pulled or pushed by locomotives (often known simply as "engines"), though some are self-propelled, such as multiple units or r... |
Tram | A tram (also known as a streetcar or trolley in Canada and the United States) is an urban rail transit in which vehicles, whether individual railcars or multiple-unit trains, run on tramway tracks on urban public streets; some include segments on segregated right-of-way. The tramlines or tram networks operated as publi... |
Transatlantic flight of Alcock and Brown | John Alcock and Arthur Brown were British aviators who, in 1919, made the first non-stop transatlantic flight. They flew a modified First World War Vickers Vimy bomber from St. John's, Newfoundland, to Clifden, County Galway, Ireland. The Secretary of State for Air, Winston Churchill, presented them with the Daily Mail... |
Transistor | A transistor is a semiconductor device used to amplify or switch electrical signals and power. It is one of the basic building blocks of modern electronics. It is composed of semiconductor material, usually with at least three terminals for connection to an electronic circuit. A voltage or current applied to one pair o... |
Transport | Transport (in British English) or transportation (in American English) is the intentional movement of humans, animals, and goods from one location to another. Modes of transport include air, land (rail and road), water, cable, pipelines, and space. The field can be divided into infrastructure, vehicles, and operations.... |
Transport divide | Transport divide (also known as transport exclusion, transport disadvantage, transport deprivation, transportation divide, and mobility divide) refers to unequal access to transportation. It can result in the social exclusion of disadvantaged groups.
The concept covers issues ranging from unequal access to public trans... |
Transportation engineering | Transportation engineering or transport engineering is the application of technology and scientific principles to the planning, functional design, operation and management of facilities for any mode of transportation to provide for the safe, efficient, rapid, comfortable, convenient, economical, and environmentally com... |
Transportation planning | Transportation planning is the process of defining future policies, goals, investments, and spatial planning designs to prepare for future needs to move people and goods to destinations. As practiced today, it is a collaborative process that incorporates the input of many stakeholders including various government agenc... |
Trolleybus | A trolleybus (also known as trolley bus, trolley coach, trackless trolley, trackless tram – in the 1910s and 1920s – or trolley) is an electric bus that draws power from dual overhead wires (generally suspended from roadside posts) using spring-loaded trolley poles. Two wires, and two trolley poles, are required to com... |
Tropopause | The tropopause is the atmospheric boundary that demarcates the lowest two layers of the atmosphere of Earth – the troposphere and stratosphere – which occurs approximately 17 kilometres (11 mi) above the equatorial regions, and approximately 9 kilometres (5.6 mi) above the polar regions.
== Definition ==
Rising from ... |
Tu-95 | The Tupolev Tu-95 (Russian: Туполев Ту-95; NATO reporting name: "Bear") is a large, four-engine turboprop-powered strategic bomber and missile platform. First flown in 1952, the Tu-95 entered service with the Long-Range Aviation of the Soviet Air Forces in 1956 and was first used in combat in 2015. It is expected to se... |
Tupolev | Tupolev (Russian: Туполев, IPA: [ˈtupəlʲɪf]), officially United Aircraft Company Tupolev - Public Joint Stock Company, is a Russian aerospace and defence company headquartered in Basmanny District, Moscow.
UAC Tupolev is successor to the Soviet Tupolev Design Bureau (OKB-156, design office prefix Tu) founded in 1922 by... |
Turbojet | The turbojet is an airbreathing jet engine which is typically used in aircraft. It consists of a gas turbine with a propelling nozzle. The gas turbine has an air inlet which includes inlet guide vanes, a compressor, a combustion chamber, and a turbine (that drives the compressor). The compressed air from the compressor... |
Ultralight aviation | Ultralight aviation (called microlight aviation in some countries) is the flying of lightweight, 1- or 2-seat fixed-wing aircraft. Some countries differentiate between weight-shift control and conventional three-axis control aircraft with ailerons, elevator and rudder, calling the former "microlight" and the latter "ul... |
Uncrewed vehicle | An uncrewed vehicle or unmanned vehicle is a vehicle without a person on board. Uncrewed vehicles can either be under telerobotic control—remote controlled or remote guided vehicles—or they can be autonomously controlled—autonomous vehicles—which are capable of sensing their environment and navigating on their own.
It ... |
United Aircraft Corporation | The PJSC United Aircraft Corporation (UAC) (Russian: Объединённая авиастроительная корпорация, romanized: Obyedinyonnaya Aviastroitelnaya Korporatsiya [OAK]) is a Russian aerospace and defense corporation. With a majority stake belonging to the Russian government, it consolidates Russian private and state-owned aircraf... |
United Airlines | United Airlines, Inc. is a major airline in the United States headquartered in Chicago, Illinois that operates an extensive domestic and international route network across the United States and six continents with more destinations than any other airline. Regional service operated by independent carriers under the bran... |
United States | The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 states and a federal capital district, Washington, D.C. The 48 contiguous states border Canada to the north and Mexico to the south, with the semi-exclav... |
United States Air Force Thunderbirds | The USAF Air Demonstration Squadron is the air demonstration squadron of the United States Air Force (USAF). The Thunderbirds, as they are popularly known, are assigned to the 57th Wing, and are based at Nellis Air Force Base, Nevada. Created 72 years ago in 1953, the USAF Thunderbirds are the third-oldest formal flyin... |
Unmanned aerial vehicle | An unmanned aerial vehicle (UAV) or unmanned aircraft system (UAS), commonly known as a drone, is an aircraft with no human pilot, crew, or passengers onboard, but rather is controlled remotely or is autonomous. UAVs were originally developed through the twentieth century for military missions too "dull, dirty or dange... |
Urban air mobility | Urban air mobility (UAM) is the use of small, highly automated aircraft to carry passengers or cargo at lower altitudes in urban and suburban areas which have been developed in response to traffic congestion. It usually refers to existing and emerging technologies such as traditional helicopters, vertical-takeoff-and-l... |
User interface | In the industrial design field of human–computer interaction, a user interface (UI) is the space where interactions between humans and machines occur. The goal of this interaction is to allow effective operation and control of the machine from the human end, while the machine simultaneously feeds back information that ... |
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