aircraft

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aircraft

any machine capable of flying by means of buoyancy or aerodynamic forces, such as a glider, helicopter, or aeroplane
www.aerospaceweb.org/aircraft/index.shtml

aircraft

[′er‚kraft]
(aerospace engineering)
Any structure, machine, or contrivance, especially a vehicle, designed to be supported by the air, either by the dynamic action of the air upon the surfaces of the structure or object or by its own buoyancy. Also known as air vehicle.

Aircraft

Any vehicle which carries one or more persons and which navigates through the air. The two main classifications of aircraft are lighter-than-air and heavier-than-air. The term lighter-than-air is applied to all aircraft which sustain their weight by displacing an equal weight of air, for example, blimps and dirigibles. Heavier-than-air craft are supported by giving the surrounding air a momentum in the downward direction equal to the weight of the aircraft. See Airplane, Helicopter

aircraft

Any structure, vehicle, or machine designed to travel through air supported by its own buoyancy or by the action of air on its surfaces. It includes airplanes, gliders, helicopters, and balloons. It does not include hovercraft, which obtain their lift from the reaction of air against the earth's surface. ICAO defines aircraft as “any machine that can derive support in the atmosphere from the reaction of the air other than the reaction of the air against the earth's surface.” Aircraft has also been defined as “device(s) that are used or intended to be used for flight in the air, and when used in air traffic control terminology, may include the flight crew” (“AIM,” FAA).
References in periodicals archive ?
5 litre four-cylinder engine packs a punch and is extremely quick of the starting block.
4lt engine packs a powerful punch for a car its size, giving a good throaty roar when the pedal is put to the floor.
Its in-line four-cylinder 170-hp engine packs enough pep for a road trip without forcing you to pull a double shift the next week to pay for gas.
Its super-fast engine packs a punch, hitting 62mph from standing in just 6.
0 diesel engine packs a useful punch and it comes like an upper cut from low down in the rev range to explode mid-range and give the 320d rapid acceleration from rest and when overtaking.
A one litre VVT three-cylinder engine packs a healthy 67 horsepower that helps sprint the lightweight car away from the lights.
The chassis has been re-engineered, the brakes have been reinforced and the V6 bi-turbo engine packs 20bhp more than the Macan S to bring total output to 360bhp and 500Nm of torque, with zero to 100kmph possible in just five seconds.
5-liter flat-four engine packs an impressive feature set, highlighted by Subaru's excellent Symmetrical All-Wheel Drive and a comprehensive Vehicle Dynamics Control system.
The turbo-diesel engine packs a useful 114bhp so performance is hardly lacking.
The four-cylinder 16v 1,956cc engine packs a hefty punch with minimum turbo-lag pushing out 295lb/ft at just 1,750rpm and a useful 190ps coming at 4,000rpm.
4-litre powerplant this Turbo Control Efficiency petrol engine packs the punch of a 1.
The engine packs a good load of power and torque, delivering it quite early in the rev range.