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What does AD stand for?

AD stands for Airworthiness Directive

This definition appears very frequently and is found in the following Acronym Finder categories:

  • Military and Government

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We have 84 other meanings of AD in our Acronym Attic

Samples in periodicals archive:

Japanese carriers "We want to make the final decision on flight resumption based on the F's airworthiness directive revision as well as checking the results of a US National Transportation Safety Board-hosted hearing set to take place on April 23 and 24," he said.
AIRLINE INDUSTRY INFORMATION-(C)1997-2013 M2 COMMUNICATIONS Canadian carrier WestJet said it is aware of the US Federal Aviation Administration's airworthiness directive released to all Boeing (NYSE: BA) Next-Generation 737 operators.
Directive does not represent safety concern for WestJet aircraft CALGARY, April 15, 2013 /PRNewswire/ - WestJet announced it is aware of the Federal Aviation Administration's airworthiness directive released to all Boeing Next-Generation 737 operators today.
TOKYO, April 6 Kyodo The Japanese transport ministry issued an airworthiness directive on Wednesday requiring domestic airlines to inspect the roofs of early-model Boeing 737s in their fleet, following a midair fuselage rupture on a Southwest Airlines 737-300 in the United States.
After a 1999 emergency landing in Ohio by an A320 that had not had the O-ring fix, the FAA issued an airworthiness directive giving American Airlines 12 months to comply with Airbus' recommendation.
Anglo-French air regulators had been expected to issue an airworthiness directive which would have paved the way for British Airways and Air France to restart fare-paying flights of the supersonic aircraft.
Despite the fact that the aircraft landed safely, at Dassault's suggestion, the European Aviation Safety Agency issued an emergency airworthiness directive on 26 May.