Aeronautical Terms beginning with Q

QA

Quality Assurance

QFE

Transition Height

QNE

Transition Level

QNH

Transition Altitude

Quadrant

A quarter part of a circle, centered on a NAVAID, oriented clockwise from magnetic north as follows: NE quadrant 000-089, SE quadrant 090-179, SW quadrant 180-269, NW quadrant 270-359.

Qualification

Having the certificates, ratings, endorsements, or other designations required for the operation.

Quasi-stationary front (commonly called stationary front)

A front which is stationary or nearly so; conventionally, a front which is moving at a speed of less than 5 knots is generally considered to be quasi-stationary.