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Speed of an aircraft relative to the surrounding air
In aviation, airspeed is the speed of an aircraft relative to the air it is flying through (which itself is usually moving relative to the ground due to
Airspeed
Topics referred to by the same term
Look up airspeed in Wiktionary, the free dictionary. Airspeed is the speed of an aircraft relative to the air. Airspeed may also refer to: Calibrated
Airspeed_(disambiguation)
British WWII troop-carrying glider
The Airspeed AS.51 Horsa was a British troop-carrying glider used during the Second World War. It was developed and manufactured by Airspeed Limited, alongside
Airspeed_Horsa
Unit of speed
measurements of airspeed: TAS is "knots true airspeed", the airspeed of an aircraft relative to undisturbed air KIAS is "knots indicated airspeed", the speed
Knot_(unit)
Speed of an aircraft relative to the air mass through which it is flying
The true airspeed (TAS; also KTAS, for knots true airspeed) of an aircraft is the speed of the aircraft relative to the air mass through which it is flying
True_airspeed
Airspeed corrected for instrument and position error
In aviation, calibrated airspeed (CAS) is indicated airspeed corrected for instrument and position error. When flying at sea level under International
Calibrated_airspeed
1937 training aircraft by Airspeed
The Airspeed AS.10 Oxford is a twin-engine monoplane aircraft developed and manufactured by Airspeed. It saw widespread use for training British Commonwealth
Airspeed_Oxford
Displayed on the airspeed indicator on an aircraft
Indicated airspeed (IAS) is the airspeed of an aircraft as measured by its pitot-static system and displayed by the airspeed indicator (ASI). This is the
Indicated_airspeed
British twin piston-engined airliner, 1947
The Airspeed AS.57 Ambassador is a British twin piston-engined airliner that was designed and produced by the British aircraft manufacturer Airspeed Ltd
Airspeed_Ambassador
Airspeed corrected for the compressibility of air at high speeds
equivalent airspeed (EAS) is calibrated airspeed (CAS) corrected for the compressibility of air at a non-trivial Mach number. It is also the airspeed at sea
Equivalent_airspeed
proposed by Airspeed Limited a British aircraft manufacturer from 1931 to 1951. Wikimedia Commons has media related to Airspeed aircraft. "Airspeed Type Designations"
List_of_Airspeed_aircraft
Flight instrument
The airspeed indicator (ASI) or airspeed gauge is a flight instrument indicating the airspeed of an aircraft in kilometres per hour (km/h), knots (kn
Airspeed_indicator
1958 aviation accident in West Germany
Belgrade to Manchester was beyond the range of the "Elizabethan"-class Airspeed Ambassador. After refuelling, pilots James Thain and Kenneth Rayment twice
Munich_air_disaster
1998 Canadian film
Airspeed is a 1998 Canadian disaster thriller film directed by Robert Tinnell and starring Elisha Cuthbert. It was distributed by Lions Gate Entertainment
Airspeed_(film)
British aircraft manufacturer, 1931–1951
Airspeed Limited was established in 1931 to build aeroplanes in York, England, by A. H. Tiltman and Nevil Shute Norway (the aeronautical engineer and novelist
Airspeed_Ltd.
1930s British light aircraft
The Airspeed AS.6 Envoy was a twin-engined light transport aircraft designed and produced by the British aircraft manufacturer Airspeed Ltd. The Envoy
Airspeed_Envoy
1999 aviation accident in the Philippines
accident was the pilots failing to respond to false airspeed indications and not selecting the correct airspeed indications. Contributing factors were clogged
FedEx_Express_Flight_087
2009 aircraft accident in the Atlantic Ocean
incident, which occurred on an Airbus A330, happened because inconsistent airspeed indications and resulting miscommunication between the pilots led to an
Air_France_Flight_447
Twin-engine piston utility transport
The Airspeed Consul is a twin-engined light transport aircraft and affordable airliner designed and produced by the British aircraft manufacturer Airspeed
Airspeed_Consul
Military transport aircraft derived from DC-3
RAF designation for the C-47B. Airspeed AS.61 Projected conversion of Dakota I aircraft by Airspeed. None built. Airspeed AS.62 Projected conversion of
Douglas_C-47_Skytrain
Device which measures fluid flow velocity, typically around an aircraft or boat
modern form in 1858 by Henry Darcy. It is widely used to determine the airspeed of aircraft; the water speed of boats; and the flow velocity of liquids
Pitot_tube
1975 British comedy film by Terry Gilliam and Terry Jones
gorge. When Arthur asks for clarification on a question regarding the airspeed velocity of an unladen swallow, the bridge-keeper cannot answer and is
Monty Python and the Holy Grail
Monty_Python_and_the_Holy_Grail
Aviation instruments
instruments that is most often used in aviation to determine an aircraft's airspeed, Mach number, altitude, and altitude trend. A pitot–static system generally
Pitot–static_system
Safety diagram in aviation
curve is a diagram indicating the combinations of height above ground and airspeed that should be avoided due to safety concerns relating to emergency landings
Helicopter height–velocity diagram
Helicopter_height–velocity_diagram
British airliner designed for pleasure flights
The Airspeed AS.4 Ferry was three-engined ten-seat biplane airliner designed and built by the British aircraft manufacturer Airspeed Limited. It was the
Airspeed_Ferry
The Airspeed AS.8 Viceroy was a British racing version of the Airspeed AS.6 Envoy built by Airspeed (1934) Limited at Portsmouth. The Viceroy was built
Airspeed_Viceroy
Standard terms to define airspeeds
In aviation, V-speeds are standard terms used to define airspeeds important or useful to the operation of all aircraft. These speeds are derived from
V_speeds
Aircraft instrument that gives information during flight
with data about the flight situation of that aircraft, such as altitude, airspeed, vertical speed, heading and much more other crucial information in flight
Flight_instruments
2004 aviation accident in Missouri
the maximum operating altitude of the CRJ200, but did not ensure a safe airspeed for the high altitude they were flying at. Due to the low energy state
Pinnacle_Airlines_Flight_3701
1996 aviation accident in the Atlantic Ocean
189 people on board. The cause was pilot error after receiving incorrect airspeed information from one of the pitot tubes, which investigators believe was
Birgenair_Flight_301
American aviator, aerospace engineer and business magnate (1905–1976)
Thomas-Morse Scout while filming Hell's Angels, one while setting the airspeed record in the Hughes Racer, one at Lake Mead in 1943, and the near-fatal
Howard_Hughes
The Airspeed AS.39 Fleet Shadower was a British long-range patrol aircraft design that did not go beyond the prototype stage. A prototype of similar aircraft
Airspeed_Fleet_Shadower
Highest speed obtained from an air vehicle
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
List of flight airspeed records
List_of_flight_airspeed_records
services of armed forces used in air warfare. Flight (military unit) Airspeed alive: Airspeed indicator showing increasing speed. Smoke in the air: used by pilots/aircrew
List of established military terms
List_of_established_military_terms
Horizontal speed of an aircraft relative to the ground
aircraft ground speed rather than airspeed. Ground speed can be determined by the vector sum of the aircraft's true airspeed and the current wind speed and
Ground_speed
Transition from being in flight to being on a surface
Aircraft also sometimes use skis to land on snow or ice. To land, the airspeed and the rate of descent are reduced such that the object descends at a
Landing
British two-seat advanced trainer
The Airspeed AS.45 Cambridge was a British advanced trainer of the Second World War built by Airspeed Limited. It did not reach the production stage.
Airspeed_Cambridge
Avionics component
computer, rather than individual instruments, can determine the calibrated airspeed, Mach number, altitude, and altitude trend data from pressure and temperature
Air_data_computer
1994 military aviation accident in the state of Washington, United States
the aircraft's airspeed, as the B-52 turbofan engines take up to eight seconds to respond to throttle commands. Even though the airspeed indicator was
1994 Fairchild Air Force Base B-52 crash
1994_Fairchild_Air_Force_Base_B-52_crash
British 6-seat, single engine aircraft (1933)
The Airspeed AS.5 Courier was a British six-seat single-engined light aircraft, designed and produced by the British aircraft manufacturer Airspeed Limited
Airspeed_Courier
Dangerous condition in aviation
equilibrium can occur at a range of airspeeds. The minimum such speed is the stall speed, or VSO. The indicated airspeed at which a fixed-wing aircraft stalls
Coffin_corner_(aerodynamics)
1996 aviation accident in the Pacific Ocean
investigation determined that the air data computers were unable to show correct airspeed and altitude on cockpit displays because a maintenance worker had failed
Aeroperú_Flight_603
Airspeeder is an electric flying vehicle racing series based in London, United Kingdom. The aircraft, built by Alauda Aeronautics, use electric vertical
Airspeeder_(racing_series)
2014 aircraft disappearance
flight level 350 and was travelling at 471 knots (872 km/h; 542 mph) true airspeed. There were few clouds around this point, and there was no rain or lightning
Malaysia_Airlines_Flight_370
British single-seat glider, 1931
The Airspeed AS.1 Tern was a 1930s British glider aircraft, the first aircraft built by Airspeed Limited at York and one of the earliest British-designed
Airspeed_Tern
Difference in wind speed or direction over a short distance
pilots generally regard significant wind shear to be a horizontal change in airspeed of 30 knots (15 m/s) for light aircraft, and near 45 knots (23 m/s) for
Wind_shear
Abrupt reduction in lift due to flow separation
flight manuals describe stalling in terms of airspeed. This is because all aircraft are equipped with an airspeed indicator, but fewer aircraft have an angle
Stall_(fluid_dynamics)
Dutch light bomber/scout aircraft
Bristol Pegasus XII engines. Airspeed Ltd. in Great Britain got a license to build C.Xs for the British market as the Airspeed AS.22, but no orders were
Fokker_C.X
Measure of aerodynamic efficiency
travelled against loss of height. The term is calculated for any particular airspeed by measuring the lift generated, then dividing by the drag at that speed
Lift-to-drag_ratio
Maximum altitude an aircraft can reach
altitude at which flying in a clean configuration, at the best rate of climb airspeed for that altitude and with all engines operating and producing maximum
Ceiling_(aeronautics)
American astronaut (1930–2012)
spun too fast, it would break apart. Their aircraft needed to hold an airspeed of 210 mph (338 km/h) to launch its Skyrocket payload, and the B-29 could
Neil_Armstrong
British pilotless target aircraft
The Airspeed AS.30 Queen Wasp was a British pilotless target aircraft built by Airspeed Limited at Portsmouth during the Second World War. Although intended
Airspeed_Queen_Wasp
1930s British piston aircraft engine
Cheetah 27 1948, 385 hp (287 kW). Airspeed Consul Airspeed Courier Airspeed Envoy Airspeed Oxford Airspeed Queen Wasp Airspeed Viceroy Avro 626 Avro 652 Avro
Armstrong_Siddeley_Cheetah
Two engined airliner
or Rotterdam). Airspeed Ltd. took a similar licence for DC-2s to be delivered in Britain and assigned the company designation Airspeed AS.23, but, although
Douglas_DC-2
Means of calculating position
referencing one's indicated airspeed fed by the pressure from a pitot tube. This measurement is converted to an equivalent airspeed based upon known atmospheric
Dead_reckoning
average cross-country speed by optimizing the airspeed in both rising and sinking air. The optimal airspeed is independent of the wind speed, because the
Speed_to_fly
Forward flight lift in a helicopter
greatly improved with each knot of airspeed gained by horizontal movement of the aircraft or wind speed. As forward airspeed increases, the helicopter goes
Translational_lift
Rotation of helicopter rotors by action of wind resistance rather than engine power
rotational speed, and forward airspeed. The pilot's primary control of the rate of descent is airspeed. Higher or lower airspeeds are obtained with the cyclic
Autorotation
Angle between the chord of a wing and the undisturbed airflow
the critical angle of attack rather than at or below a particular airspeed. The airspeed at which the aircraft stalls varies with the weight of the aircraft
Angle_of_attack
a take-off accident. Airspeed Ltd. in Great Britain arranged a license to build F.XXXVIs for the British market as the Airspeed AS.20, but no orders were
Fokker_F.XXXVI
Dutch airplane
accident in June 1936. Airspeed Ltd. in Great Britain arranged a license to build F.XXIIs for the British market as the Airspeed AS.16, but no orders were
Fokker_F.XXII
Aerobatic / combat maneuver
bringing the plane up into a vertical or near-vertical climb, allowing the airspeed to drop. Before the airplane stalls (begins to fall) the pilot applies
Wingover
Aeronautic procedure
are mirrored in case of a left-hand holding pattern. Maximum holding airspeeds (MHA) are established to keep aircraft within the protected holding area
Holding_(aeronautics)
2015 aviation accident in Ohio
November 10, 2015, while on approach into Akron, the crew unknowingly let the airspeed of the aircraft decrease until it stalled and crashed into a building.
Execuflight_Flight_1526
Type of flight
A transcontinental flight is a non-stop passenger flight from one side of a continent to the other. The term usually refers to flights across the United
Transcontinental_flight
1997 aviation accident in Uruguay
after the diversion occurred, the aircraft airspeed indicator began to fall to an alarmingly low indicated airspeed. Unknown to the pilots, this was caused
Austral Líneas Aéreas Flight 2553
Austral_Líneas_Aéreas_Flight_2553
1972 aircraft accident in England
public inquiry principally blamed the captain for failing to maintain airspeed and configure the high-lift devices correctly. It also cited the captain's
British European Airways Flight 548
British_European_Airways_Flight_548
Flight instrument
pitot-static system flight instrument that shows the ratio of the true airspeed to the speed of sound, a dimensionless quantity called Mach number. This
Machmeter
Instruments used in helicopter flight
airspeed is limited by the stress that the airframe can withstand; in a helicopter it is limited by the RPM of the rotor and the effective airspeed over
Helicopter_flight_controls
Wellington (RAF) flying test beds for Whittle turbojet Airspeed Cambridge (RAF) trainer Airspeed Fleet Shadower (RAF) maritime patrol Blackburn B-20 (RAF)
List of aircraft of the United Kingdom in World War II
List_of_aircraft_of_the_United_Kingdom_in_World_War_II
generated on a body and a moving gas (air) in which it is immersed. At airspeeds below about 260 kn (480 km/h; 130 m/s; 300 mph), air can be considered
High-speed_flight
1930s Dutch biplane fighter
Netherlands surrendered to the Germans, all surviving aircraft were set on fire. Airspeed Ltd. had a licence to build Fokker aircraft in England and considered making
Fokker_D.XVII
Aircraft control maneuver where the pilot combines a 180° turn with a climb
a 180° change of heading, arriving at the new reciprocal heading at an airspeed in the "slow-flight" regime, very near the aerodynamic stall. The aircraft
Chandelle
Type of rotorcraft
without increasing power. This state, most typically, occurs when the airspeed reaches approximately 16–24 knots (30–44 km/h; 18–28 mph), and may be necessary
Helicopter
Type of sign
jargon that refers to flying an aircraft at the maximum safe velocity. The airspeed Indicator on aircraft capable of flying at altitude features a red/white
Barber's_pole
than when flying horizontally. The bird that can achieve the greatest airspeed is the peregrine falcon (Falco peregrinus), able to exceed 320 km/h (200 mph)
List_of_birds_by_flight_speed
Term in rotorcraft aerodynamics
airfoil is proportional to the square of its airspeed (velocity). In a hover, the rotor blades have equal airspeeds and therefore equal lift. However, in forward
Dissymmetry_of_lift
Dimensionless quantity in fluid dynamics
^{2}}}\right]^{\frac {1}{\gamma -1}}} Mach number is a function of temperature and true airspeed. Aircraft flight instruments, however, operate using pressure differential
Mach_number
Topics referred to by the same term
KIAS may refer to: Korea Institute for Advanced Study Knots Indicated Airspeed Kias or Qiasi, a village in Qarah Quyun-e Jonubi Rural District, Qarah Quyun
KIAS
Airspeed limitation selected by the designer of the aircraft
In aviation, the maneuvering speed of an aircraft is an airspeed limitation at which the full deflection of the controls can be made at without risking
Maneuvering_speed
1988 aircraft bombing over Scotland
316° magnetic, and at a speed of 313 kn (580 km/h; 360 mph) calibrated airspeed. Subsequent analysis of the radar returns by RSRE concluded that the aircraft
Pan_Am_Flight_103
American multi-role fighter aircraft
limiters governing movement in the three main axes based on attitude, airspeed, and angle of attack (AOA)/g; these prevent control surfaces from inducing
General Dynamics F-16 Fighting Falcon
General_Dynamics_F-16_Fighting_Falcon
1985 aviation accident in Japan
lasting about 90 seconds, in which airspeed decreased as it climbed and increased as it fell. The rise in airspeed increased the lift over the wings,
Japan_Air_Lines_Flight_123
Anti-stall control surface on aircraft
extension is to improve the airflow at high angles of attack and low airspeeds, to improve handling and delay the stall. A dog tooth can also improve
Leading-edge_extension
Phenomenon of supersonic flight
Mach cutoff is a phenomenon of high-altitude supersonic flight in which the sonic boom generated at speeds not too far above Mach 1 never reaches the ground
Mach_cutoff
Retarding force on a body moving in a fluid
speed. The combined overall drag curve therefore shows a minimum at some airspeed - an aircraft flying at this speed will be at or close to its optimal efficiency
Drag_(physics)
Difference between total and static pressure
{\displaystyle Q_{c}} . When input to an airspeed indicator, impact pressure is used to provide a calibrated airspeed reading. An air data computer with inputs
Impact_pressure
Mode of flight
airspeed on the rate of descent can be depicted by a polar curve. These curves show the airspeed where minimum sink can be achieved and the airspeed with
Gliding_flight
Dutch airliner
Barcelona at Prat de Llobregat Airport. Licence production in the UK as the Airspeed AS.21 was not proceeded with. Netherlands KLM Spain Líneas Aéreas Postales
Fokker_F.XX
British aircraft designer
break the world airspeed record. In January 1943 he joined Airspeed Ltd. as technical director and was responsible for the Airspeed Ambassador (BEA Elizabethan)
Arthur_Ernest_Hagg
1934 crash caused by pilot error
On 29 September 1934, an Airspeed Courier of London, Scottish & Provincial Airways Ltd crashed just north of Shoreham, Kent. The aircraft was on a scheduled
1934 London, Scottish & Provincial Airways Airspeed Courier crash
1934_London,_Scottish_&_Provincial_Airways_Airspeed_Courier_crash
Relationship between drag on an aircraft and other variables
side-effect of producing lift, which can be reduced by increasing the indicated airspeed). This is proportional to CL2. The other drag mechanisms, parasitic and
Drag_curve
Modern aircraft instrument
physically display flight data, it still uses the system to make altitude, airspeed, vertical speed, and other measurements precisely using air pressure and
Primary_flight_display
American strategic bomber aircraft
from limited elevator control authority. For long-term pitch trim and airspeed changes the aircraft uses a stabilator (or all-moving tail) with the elevator
Boeing_B-52_Stratofortress
Supersonic car
operating conditions. Jet engines are not designed to operate at peak airspeed while still in ground effect; a proper estimate would need to take this
ThrustSSC
2013 aircraft accident in California
longer controlling airspeed. The aircraft then descended below the desired glidepath with the crew unaware of the decreasing airspeed. The attempted go-around
Asiana_Airlines_Flight_214
Main airport serving London, England
George Cross. On 3 July 1968, the port flap operating rod of G-AMAD, an Airspeed Ambassador operated by BKS Air Transport, failed due to fatigue, thereby
Heathrow_Airport
Aircraft cockpit with electronic displays
navigational information only, with traditional mechanical gauges retained for airspeed, altitude, vertical speed, and engine performance. The Boeing 757 and 767-200/-300
Glass_cockpit
The pilot's failure to properly manage the airplane's configuration and airspeed after he shut down the No. 4 engine following its partial loss of power
2019 Boeing B-17 Flying Fortress crash
2019_Boeing_B-17_Flying_Fortress_crash
1991 aviation accident in Colorado
The flight crew added 20 knots (37 km/h; 23 mph) to their target landing airspeed based on this information. At 09:32:35, First Officer Eidson reported to
United_Airlines_Flight_585
AIRSPEED
AIRSPEED
AIRSPEED
AIRSPEED
Girl/Female
Tamil
Jayantika | ஜயஂதிகா
Goddess Durga, Parvati
Girl/Female
Indian
Wish, Desire, Aspiration
Boy/Male
Arabic, Muslim
A Bird whose Voice is Very Charming
Biblical
doing; my doing,whom Jehovah made,fabricator,Jehovah makes,
Boy/Male
Arabic, Muslim
Writer; Scribe
Girl/Female
Hindu
Answered prayer
Girl/Female
Hindu
Daughter, Goddess Durga, Great achiever, Happiness, Lord Shivas son, Young Man
Boy/Male
Indian
Manly.
Boy/Male
Hindu
Highest Dharma
Surname or Lastname
English
English : unexplained. Perhaps a variant of Scottish Nevins.
AIRSPEED
AIRSPEED
AIRSPEED
AIRSPEED
AIRSPEED