Q  ROUTE
Q is the designator assigned to published RNAV routes used by the United States.

QNE
The barometric pressure used for the standard altimeter setting (29.92 inches Hg.).

QNH
The barometric pressure as reported by a particular station.

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.

QUEUING
(See STAGING/QUEUING.)

QUICK LOOK
A feature of the EAS and ARTS which provides the controller the capability to display full data blocks of tracked aircraft from other control positions.