Glossary


Glossary
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C

Control and performance

A method of attitude instrument flying in which one instrument is used for making attitude changes, and the other instruments are used to monitor the progress of the change.

Control display unit

A display interfaced with the master computer, providing the pilot with a single control point for all navigations systems, thereby reducing the number of required flight deck panels.

Control pressures

The amount of physical exertion on the control column necessary to achieve the desired attitude.

Controllability

A measure of the response of an aircraft relative to the pilot’s flight control inputs.

Controllable-pitch propeller (CPP)

A type of propeller with blades that can be rotated around their long axis to change their pitch. If the pitch can be set to negative values, the reversible propeller can also create reverse thrust for braking or reversing without the need of changing the direction of shaft revolutions.

Controlled airspace

An airspace of defined dimensions within which ATC service is provided to IFR and VFR flights in accordance with the airspace classification. It includes Class A, Class B, Class C, Class D, and Class E airspace.

Convective SIGMET

Weather advisory concerning convective weather significant to the safety of all aircraft, including thunderstorms, hail, and tornadoes.

Convective weather

Unstable, rising air found in cumiliform clouds.

Conventional landing gear

Landing gear employing a third rear-mounted wheel. These airplanes are also sometimes referred to as tailwheel airplanes.

Coordinated flight

Flight with a minimum disturbance of the forces maintaining equilibrium, established via effective control use.


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