Aviation

Aviation

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

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Aviation > Airplane flying

reference datum

Aviation; Airplane flying

An imaginary vertical plane or line from which all measurements of moment arm are taken. The datum is established by the manufacturer. Once the datum has been selected, all moment ...

decompression sickness

Aviation; Airplane flying

A condition where the low pressure at high altitudes allows bubbles of nitrogen to form in the blood and joints causing severe pain. Also known as the bends.

deicer boots

Aviation; Airplane flying

Inflatable rubber boots attached to the leading edge of an airfoil. They can be sequentially inflated and deflated to break away ice that has formed over their surface.

deicing

Aviation; Airplane flying

Removing ice after it has formed.

delamination

Aviation; Airplane flying

The separation of layers.

density altitude

Aviation; Airplane flying

This altitude is pressure altitude corrected for variations from standard temperature. When conditions are standard, pressure altitude and density altitude are the same. If the ...