- airworthiness directive
- Maintenance or modification ordered by an aviation regulator, such as the FAA (Federal Aviation Administration).
Aviation dictionary. 2014.
airworthiness directive
Look at other dictionaries:
Airworthiness Directive — An Airworthiness Directive (commonly abbreviated as AD) is a notification to aircraft owner and operator of a known safety deficiency with a particular model of aircraft, engine, avionics or other system. ADs usually result from service… … Wikipedia
recurring airworthiness directive — An airworthiness directive regarding an aircraft and its engine; must be complied with at regular hourly or calendar time periods … Aviation dictionary
Cougar Helicopters Flight 91 — Accident summary Date March 12, 2009 (2009 03 12) Type Main Gearbox Malfunction/ Collision with Water … Wikipedia
2007 Dash 8 landing gear incidents — Infobox Airliner accident name=Scandinavian Airlines Flight 1209 Date=September 9 2007 Type=Landing gear failure Site=Aalborg, Denmark Fatalities=0 Injuries=5 Aircraft Type=Dash 8 400 (Q400) Origin=Copenhagen Airport Destination=Aalborg Airport… … Wikipedia
Dash 8 landing gear incidents — Scandinavian Airlines Flight 1209 Accident summary Date September 9, 2007 Type Landing gear failure … Wikipedia
Beechcraft Model 18 — Model 18 Instructor and pilot in a Beechcraft AT 7 doing navigation training at Kelly Field, TX. Role Trainer … Wikipedia
Los Angeles Airways Flight 417 — Accident summary Date August 14, 1968 Type Mechanical Failure Site … Wikipedia
Type certificate — A Type Certificate, is awarded by aviation regulating bodies to aerospace manufacturers after it has been established that the particular design of a civil aircraft, engine, or propeller has fulfilled the regulating bodies current prevailing… … Wikipedia
American Champion Scout — Infobox Aircraft name=8GCBC Scout caption=Scout on (non standard) tundra tires. type=Light utility aircraft manufacturer=American Champion Aircraft designer=Bellanca first flight= introduced=1974 retired= status= primary user= more users=… … Wikipedia
AgustaWestland AW139 — AW139 AW139 de la Sociedad de Salvamento y Seguridad Marítima Tipo Helicóptero utilitario / SAR medio Fabricante … Wikipedia Español
