ADT

ADT - Approved Departure Time.
AEF - Aerodromes Environmental Federation.
Aerad - UK published flight guide and navigational chart system.

ADT: Approved Departure Time
AFB: Air Force Base
AFCS: Automatic Flight Control System. It is an advanced autopilot.
AFDS: Autopilot and Flight Director System
AGL: Above Ground Level ...

See also: Departure time, Service, Monitor, Aerodrome elevation, Advisory