Aviation

Aviation

Dealing with vehicles or machines used in flight or propulsion through the air.

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Aviation > Aeronautics

Aeromatic propeller

Aviation; Aeronautics

A patented propeller that has counterweights around the blade shanks and the blades angled back from the hub to increase the effects of aerodynamic and centrifugal twisting ...

Fenwal fire detection system

Aviation; Aeronautics

A patented spot-type fire detection system installed in an aircraft. This system uses individual thermal switches connected between two insulated conductors. An open circuit in ...

instability

Aviation; Aeronautics

A general term used to indicate various states of the atmosphere in which spontaneous convection will occur when prescribed criteria are met. Instability of the air indicates ...

outer fix

Aviation; Aeronautics

A general term used within ATC to describe fixes in the terminal area, other than the final approach fix. Aircraft are normally cleared to these fixes by ARTCC or an approach ...

cloud bank

Aviation; Aeronautics

A generally well-defined mass of cloud observed at a distance. It covers an appreciable portion of the sky on the horizon, but does not extend overhead.