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  2. Aircraft maintenance checks - Wikipedia

    en.wikipedia.org/wiki/Aircraft_maintenance_checks

    The A check is performed approximately every 400-600 flight hours, or every 200–300 flights, depending on aircraft type. [6] It needs about 50-70 man-hours, and is usually performed in an airport hangar. The A check takes a minimum of 10 hours. The actual occurrence of this check varies by aircraft type, the flight cycle count, or the number ...

  3. China Airlines Flight 006 - Wikipedia

    en.wikipedia.org/wiki/China_Airlines_Flight_006

    China Airlines Flight 006 was a daily non-stop international passenger flight from Taipei to Los Angeles International Airport.On February 19, 1985, the Boeing 747SP operating the flight was involved in an aircraft upset accident, following the failure of the No. 4 engine, while cruising at 41,000 ft (12,500 m).

  4. British Airways Flight 009 - Wikipedia

    en.wikipedia.org/wiki/British_Airways_Flight_009

    On 24 June 1982, the route was flown by City of Edinburgh, a Boeing 747-236B registered as G-BDXH. The aircraft flew into a cloud of volcanic ash thrown up by the eruption of Mount Galunggung around 110 miles (180 km) south-east of Jakarta, Indonesia, resulting in the failure of all four engines. Partly because the event occurred at night ...

  5. China Airlines Flight 605 - Wikipedia

    en.wikipedia.org/wiki/China_Airlines_Flight_605

    The aircraft involved was a Boeing 747-409, registered as B-165, was a 5-month-old Boeing 747-400 manufactured in June 1993. It was powered by four Pratt & Whitney PW4056 turbofan engines and had only logged 1,969 flight hours in 359 takeoff and landing cycles at the time of the accident.

  6. Boeing 747-400 - Wikipedia

    en.wikipedia.org/wiki/Boeing_747-400

    The Boeing 747-400 is a large, long-range wide-body airliner produced by Boeing Commercial Airplanes, an advanced variant of the initial Boeing 747.The "Advanced Series 300" was announced at the September 1984 Farnborough Airshow, targeting a 10% cost reduction with more efficient engines and 1,000 nautical miles [nmi] (1,900 km; 1,200 mi) of additional range.

  7. United Airlines Flight 863 - Wikipedia

    en.wikipedia.org/wiki/United_Airlines_Flight_863

    On June 28, 1998, United Airlines Flight 863, a Boeing 747-400 flying United's regularly scheduled transpacific service from San Francisco International Airport to Sydney Airport was forced to shut down one of its right-wing engines and nearly collided with San Bruno Mountain while recovering from the engine failure.

  8. Plane forced to make emergency landing after engine catches ...

    www.aol.com/news/indonesia-plane-turns-back...

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  9. List of Trans World Airlines accidents and incidents - Wikipedia

    en.wikipedia.org/wiki/List_of_Trans_World...

    Flight 400, operated by Martin 4 ... A critical step had been omitted from the manual gear extension procedure checklist. [51] 1990s ... Flight 700, a Boeing 747, was ...