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V speeds, the Glossary

In aviation, V-speeds are standard terms used to define airspeeds important or useful to the operation of all aircraft.^[1]

45 relations: Aircraft, Airspeed, Airspeed indicator, Angle of climb, Aviation, Aviation law, Aviation safety, Balanced field takeoff, Ballistic parachute, Best practice, Canada, Cirrus Aircraft, Civil Aviation Authority (United Kingdom), Code of Federal Regulations, Critical engine, Cruise (aeronautics), Drag (physics), Drag curve, Endurance (aeronautics), European Union Aviation Safety Agency, Federal Aviation Administration, Federal Aviation Regulations, Flap (aeronautics), Flight test, General aviation, Gliding flight, Ground speed, Indicated airspeed, Instrument flight rules, Lift (force), Lift-to-drag ratio, Mach number, Maneuvering speed, Minimum control speeds, Range (aeronautics), Rate of climb, Retreating blade stall, Rotation (aeronautics), Runway excursion, Stall (fluid dynamics), Supersonic speed, Takeoff, Transport Canada, Type certificate, Wind gust.
Aircraft performance
Airspeed

Aircraft

An aircraft (aircraft) is a vehicle that is able to fly by gaining support from the air.

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Airspeed

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 wind).

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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 or kt), miles per hour (MPH) and/or metres per second (m/s). V speeds and airspeed indicator are airspeed.

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Angle of climb

In aerodynamics, climb gradient is the ratio between distance travelled over the ground and altitude gained, and is expressed as a percentage.

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Aviation

Aviation includes the activities surrounding mechanical flight and the aircraft industry.

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Aviation law

Aviation law is the branch of law that concerns flight, air travel, and associated legal and business concerns.

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Aviation safety

Aviation safety is the study and practice of managing risks in aviation.

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Balanced field takeoff

In aviation, a balanced field takeoff is a condition where the takeoff distance required (TODR) with one engine inoperative and the accelerate-stop distance are equal for the aircraft weight, engine thrust, aircraft configuration and runway condition. V speeds and balanced field takeoff are aircraft performance.

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Ballistic parachute

A ballistic parachute, ballistic reserve parachute, or emergency ballistic reserve parachute, is a parachute ejected from its casing by a small explosion, much like that used in an ejection seat.

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Best practice

A best practice is a method or technique that has been generally accepted as superior to alternatives because it tends to produce superior results.

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Canada

Canada is a country in North America.

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Cirrus Aircraft

The Cirrus Design Corporation, doing business as Cirrus Aircraft (formally Cirrus Design), is an aircraft manufacturer that was founded in 1984 by Alan and Dale Klapmeier to produce the VK-30 kit aircraft, and is headquartered in Duluth, Minnesota, United States.

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The Civil Aviation Authority (CAA) is the statutory corporation which oversees and regulates all aspects of civil aviation in the United Kingdom.

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Code of Federal Regulations

In the law of the United States, the Code of Federal Regulations (CFR) is the codification of the general and permanent regulations promulgated by the executive departments and agencies of the federal government of the United States.

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Critical engine

The critical engine of a multi-engine fixed-wing aircraft is the engine that, in the event of failure, would most adversely affect the performance or handling abilities of an aircraft.

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Cruise (aeronautics)

Cruise is the phase of aircraft flight that starts when the aircraft levels off after a climb, until it begins to descend for landing.

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Drag (physics)

In fluid dynamics, drag, sometimes referred to as fluid resistance, is a force acting opposite to the relative motion of any object, moving with respect to a surrounding fluid.

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Drag curve

The drag curve or drag polar is the relationship between the drag on an aircraft and other variables, such as lift, the coefficient of lift, angle-of-attack or speed. V speeds and drag curve are aircraft performance and airspeed.

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Endurance (aeronautics)

In aviation, endurance is the maximum length of time that an aircraft can spend in cruising flight.

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European Union Aviation Safety Agency

The European Union Aviation Safety Agency (EASA) is an agency of the European Commission with responsibility for civil aviation safety in the European Union.

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Federal Aviation Administration

The Federal Aviation Administration (FAA) is a U.S. federal government agency within the U.S. Department of Transportation which regulates civil aviation in the United States and surrounding international waters.

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Federal Aviation Regulations

The Federal Aviation Regulations (FARs) are rules prescribed by the Federal Aviation Administration (FAA) governing all aviation activities in the United States.

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Flap (aeronautics)

A flap is a high-lift device used to reduce the stalling speed of an aircraft wing at a given weight.

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Flight test

Flight testing is a branch of aeronautical engineering that develops specialist equipment required for testing behaviour and systems of aircraft or testing the atmospheric phase of launch vehicles and reusable spacecraft.

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General aviation

General aviation (GA) is defined by the International Civil Aviation Organization (ICAO) as all civil aviation aircraft operations except for commercial air transport or aerial work, which is defined as specialized aviation services for other purposes.

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Gliding flight

Gliding flight is heavier-than-air flight without the use of thrust; the term volplaning also refers to this mode of flight in animals.

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Ground speed

Ground speed is the horizontal speed of an aircraft relative to the Earth’s surface.

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Indicated airspeed

Indicated airspeed (IAS) is the airspeed of an aircraft as measured by its pitot-static system and displayed by the airspeed indicator (ASI). V speeds and Indicated airspeed are airspeed.

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Instrument flight rules

In aviation, instrument flight rules (IFR) is one of two sets of regulations governing all aspects of civil aviation aircraft operations; the other is visual flight rules (VFR).

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Lift (force)

When a fluid flows around an object, the fluid exerts a force on the object.

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Lift-to-drag ratio

In aerodynamics, the lift-to-drag ratio (or L/D ratio) is the lift generated by an aerodynamic body such as an aerofoil or aircraft, divided by the aerodynamic drag caused by moving through air. V speeds and lift-to-drag ratio are aircraft performance.

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Mach number

The Mach number (M or Ma), often only Mach, is a dimensionless quantity in fluid dynamics representing the ratio of flow velocity past a boundary to the local speed of sound. V speeds and Mach number are airspeed.

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Maneuvering speed

In aviation, the maneuvering speed of an aircraft is an airspeed limitation selected by the designer of the aircraft. V speeds and maneuvering speed are airspeed.

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Minimum control speeds

The minimum control speed (VMC) of a multi-engine aircraft (specifically an airplane) is a V-speed that specifies the calibrated airspeed below which directional or lateral control of the aircraft can no longer be maintained, after the failure of one or more engines. V speeds and minimum control speeds are airspeed.

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Range (aeronautics)

The maximal total range is the maximum distance an aircraft can fly between takeoff and landing. V speeds and range (aeronautics) are aircraft performance.

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Rate of climb

In aeronautics, the rate of climb (RoC) is an aircraft's vertical speed, that is the positive or negative rate of altitude change with respect to time.

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Retreating blade stall

Retreating blade stall is a hazardous flight condition in helicopters and other rotary wing aircraft, where the retreating rotor blade has a lower relative blade speed, combined with an increased angle of attack, causing a stall and loss of lift.

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Rotation (aeronautics)

In aviation, rotation refers to the action of applying back pressure to a control device, such as a yoke, side-stick or centre stick, to lift the nose wheel off the ground during takeoff.

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Runway excursion

A runway excursion is a runway safety incident in which an aircraft makes an inappropriate exit from the runway.

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Stall (fluid dynamics)

In fluid dynamics, a stall is a reduction in the lift coefficient generated by a foil as angle of attack increases.

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Supersonic speed

Supersonic speed is the speed of an object that exceeds the speed of sound (Mach 1). V speeds and Supersonic speed are airspeed.

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Takeoff

Takeoff is the phase of flight in which an aerospace vehicle leaves the ground and becomes airborne. V speeds and Takeoff are aircraft performance.

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Transport Canada

Transport Canada (Transports Canada) is the department within the Government of Canada responsible for developing regulations, policies and services of road, rail, marine and air transportation in Canada.

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Type certificate

A type certificate signifies the airworthiness of a particular category of aircraft, according to its manufacturing design (type design).

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Wind gust

A wind gust or just gust is a brief, sudden increase in the wind speed.

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References

[1] https://en.wikipedia.org/wiki/V_speeds

Also known as IVMCL, Max Speed, Maximum Speed, Maximum operating Mach number, Maximum operating limit speed, Never exceed speed, Overspeed (aeronautics), Overspeed (aircraft), Takeoff speeds, V speed, V-Speeds, V-speed, V1 speed, V2 speed, VC speed, VFE, VNE, VNO speed, VR speed, VS speed, Velocity 2, Vs0.

V speeds, the Glossary

Table of Contents

See also

Aircraft performance

Airspeed

References