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 ?
The new orders placed by Singapore Aircraft Leasing Enterprise (SALE) are the first since the company was bought by Bank of China, and underscore the commitment by the bank to accelerate the expansion of the Singapore-based firm, the statement said.
Since 9/11 increased security measures and travel restrictions have boosted sales of new and used aircraft sales, as well as fractional share programs, prepaid flight cards and air charter usage among companies of all sizes, from small businesses to international conglomerates.
With every attack on a helicopter or cargo aircraft that he and the other terrorists survive, he receives feedback of success or failure in aircraft damage and casualties.
Corporate aircraft are also better-suited to the shorter runways of the regional and community airports, he notes, which make them inaccessible to major airlines even if they wanted to fly there.
274(a) (1), entertainment, recreation or amusement expenses are not deductible, unless a taxpayer establishes the (1) item was directly related to or associated with the active conduct of a trade or business or (2) aircraft is used in connection with the active conduct of a trade or business.
The ``build a little, field a litte'' approach allows new technologies and lessons learned from the field to be incorporated into future aircraft where a more traditional approach would deliver a system with only the technologies available when production started, the Defense Department says.
Aircraft motion is also characterized as a mass-spring-damper and therefore is a system that responds in a manner significantly different than ground-based controls.
However, all those familiar changes follow the same paradigm: Chunks of aircraft get pushed or pulled by an actuator, be it a motor, a piston, or other device.
For close-air-support missions the target was usually within range of friendly artillery positions, so timing and coordination were very important to take maximum advantage of the artillery-fired flak suppression without risking damage to the strike aircraft.
Improving aircraft supportability and resolving component issues are prime products of the F/A-18 ISS program.
2 percent of aircraft accidents occurred in the spring of the year, 34.
He claimed last summer in a letter he read before a House Agriculture subcommittee that the Forest Service at first told him there were just three aircraft in the program, with no more available.