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China's aviation authority on Thursday issued an airworthiness directive on the Boeing 737 MAX that will help pave the way for the model's return to service in China after more than 2-1/2 years ...
On November 18, 2020, after the FAA cleared the MAX for return to service in the U.S., EASA indicated that it would shortly issue its own proposed airworthiness directive. After the 28-day public comment period, the final directive would then be published in late December 2020 or early in 2021. [257]
An airworthiness directive (commonly abbreviated as AD) is a notification to owners and operators of certified aircraft that a known safety deficiency with a particular model of aircraft, engine, avionics or other system exists and must be corrected.
The burnt-out wreckage of China Airlines Flight 120; following this incident, the FAA issued an emergency airworthiness directive. On May 25, 1979, American Airlines Flight 191, a McDonnell Douglas DC-10 crashed after takeoff from Chicago O'Hare Airport. An engine separated from the plane, damaging electrical and hydraulic systems, causing the ...
On 13 September 2007, Transport Canada issued an Airworthiness Directive applicable to Bombardier Q400 turboprop aircraft instructing all Q400 aircraft operators to conduct a general visual inspection of the left and right main landing gear systems and main landing gear retract actuator jam nuts. This effectively grounded all Q400 aircraft ...
A standard airworthiness certificate ceases to be valid when the aircraft ceases to be registered. Change of ownership of an aircraft does not require re-issue or re-validation of that aircraft's standard airworthiness certificate. In contrast to a standard airworthiness certificate, an aircraft may be issued with a special airworthiness ...
One airworthiness regulation is found in ICAO international standard of Annex 8 to Chicago Convention on International Civil Aviation which defines "airworthy" - in respect of an aircraft, engine, propeller or part there of - as "The status of an aircraft, engine, propeller or part when it conforms to its approved design and is in a condition for safe operation".
The Comac C919 is a narrow-body airliner developed by Chinese aircraft manufacturer Comac.The development program was launched in 2008. Production began in December 2011, with the first prototype being rolled out on 2 November 2015; the maiden flight took place on 5 May 2017.