General aviation

General aviation

The science and practice of artificial flight which involves the design, development, production, operation of aircraft or heavier-than-air machines.

Industry: Aviation

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General aviation

An instrument for measuring the velocity, pressure, or other properties of the wind; a wind-gage; a wind-meter. The following are different types of anemometer: : ''Biram's anemometer'', a form of ...

Breeze

Aviation; General aviation

A moderately brisk wind; a movement of the air not so strong as a gale or as a stiff breeze. The following are several different types of breeze: : ''fresh breeze,'' a breeze (numbered 5 in ...

Aerial image

Aviation; General aviation

An image appearing suspended in the air, caused by the convergence of rays of light reflected or refracted from objects through strata of air of different densities; a mirage.

Aerometry

Aviation; General aviation

The science of measuring the weight or density of air and other gases, and of determining the laws of their pressure, elasticity, rarefaction, and condensation; pneumatics.

Bearing surface

Aviation; General aviation

One of the surfaces of a flying-machine which bears, rests, or acts upon the air; a supporting surface; a sustaining surface; a wing surface; a spread of wing or sail.

Checklist

Aviation; General aviation

A series of cheques performed and confirmed orally by two crew members; one reads out the action tobe performed, the other performs the action and confirms aloud that it has been performed.