[新聞] Qantas A380 又出包-3好1壞發動機一路飛到倫敦(從德里)
Qantas A380 又出包-3好+1瑕疵發動機一路飛到倫敦(從德里)
BA表示: 沒事不要學我, 科科 (誤)
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http://blogs.crikey.com.au/planetalking/2011/02/18/
qantas-a380-finishes-london-flight-on-three-engines/
Qantas A380 finishes London flight on three engines
February 18, 2011 – 11:37 am, by Ben Sandilands
On Tuesday a Qantas A380 finished its long flight from Singapore to London on
three engines only, although the incident doesn’t seem to have been nearly
as dramatic as the ATSB notification of an investigation this morning
suggests.
That summary implies the defective engine was shut down to ‘idle’ thrust
near New Delhi, with another eight hours or more of normal four engined
flight time remaining.
In fact the affected Rolls-Royce engine was not closed down to idle thrust
until it was within several hours of London, and in airspace with multiple
suitable airports for an A380 diversion. The loss of power from an engine
near New Delhi would have reduced the cruising speed and altitude of the
airliner and its fuel efficiency to a level where it could not have flown all
the way to London and arrived with the minimum statutory fuel reserves
required by the rules.
According to Qantas the issue that affected the engine has also been found on
a Rolls-Royce powered A380 flown by another airline (meaning either with
Singapore Airlines or Lufthansa) and it is one which has been raised with the
engine maker and is neither the same nor as serious as the issue which saw
the disintegration of an engine on QF32 shortly after leaving Singapore on
November 4.
That incident lead to a prolonged grounding of the Qantas A380 fleet, and as
outlined in its half yearly financial result press conference yesterday, also
pushed its London and Los Angeles flights into loss during the 6 months
reporting period.
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Incident: Qantas A388 near Delhi on Feb 15th 2011, engine oil problem
By Simon Hradecky, created Friday, Feb 18th 2011 07:50Z, last updated Friday,
Feb 18th 2011 08:01Z
A Qantas Airbus A380-800, registration VH-OQC performing flight QF-31 from
Singapore (Singapore) to London Heathrow,EN (UK), was enroute near Delhi
(India) when the crew noticed that the oil quantity of engine #4 (Trent 972,
outboard right hand) gradually decreased. The crew continued to London
crossing the European Airspace until 125nm eastnortheast of London at FL380
and landed safely on London's runway 09R.
The airplane subsequently remained on the ground in London, the return flight
QF-32 was performed by VH-OQG instead. VH-OQC was able to depart for its next
flight QF-10 about 18 hours after arrival in London.
The Australian Transportation Safety Board (ATSB) reported that following the
landing an engineering inspection revealed "that the fitting of the external
HP/IP oil line had less than the required torque". The engine power was
reduced to idle at some stage of the cruise for the remainder of the flight.
Radar data show the aircraft passed Moscow (Russia) at FL381 (11600 meters)
about 3 hours prior to landing, descended to FL380 upon reaching Latvia and
continued until a point 125nm eastnortheast of London at FL380 before
beginning the descent into London.
http://avherald.com/h?article=43805542
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