Gallons Per Hour.

Actual Time en Route

Actual Time en Route

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A briefing used to update information previously received from an earlier briefing or from other sources.

A position where an aircraft, object or fix is approximately 90 degrees to the left or right of an aircraft's track.

Above Ground Level. The altitude of the airplane above the terrain.

A publication listing information of operational importance about airports including communications data, navigation aids and special notices and procedures. Available in separate regional volumes.

Aeronautical Information Manual

Airmen's Meteorological Information