Aircraft definition clarifies statutory and international classifications of lighter-than-air and heavier-than-air machines for regulatory purposes. The Aircraft Act, 1934 defines aircraft as any machine deriving atmospheric support from reactions of the air (excluding reactions against the earth's surface) and includes balloons, airships, kites, gliders and flying machines. Comparative definitions distinguish lighter-than-air craft (buoyancy via displaced air) from heavier-than-air craft (lift via aerodynamic surfaces), with ICAO definitions similarly focusing on atmospheric support and aeroplane lift characteristics.
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Aircraft definition clarifies statutory and international classifications of lighter-than-air and heavier-than-air machines for regulatory purposes.
The Aircraft Act, 1934 defines aircraft as any machine deriving atmospheric support from reactions of the air (excluding reactions against the earth's surface) and includes balloons, airships, kites, gliders and flying machines. Comparative definitions distinguish lighter-than-air craft (buoyancy via displaced air) from heavier-than-air craft (lift via aerodynamic surfaces), with ICAO definitions similarly focusing on atmospheric support and aeroplane lift characteristics.
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