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British Airways 777 crash landing at Heathrow

Engine power loss appears to have been the cause of an accident at the UK's London Heathrow airport, in which a British Airways Boeing 777 landed just inside the airfield boundary some 500m (1,640ft) short of the runway 27L threshold. The 136 passengers were evacuated via all eight slides, with three people suffering minor injuries, according to a statement by the airline's chief executive Willie Walsh.

Inbound from Beijing, flight BA38 was on the approach to runway 27L when it appears the crew suffered a loss of power on both engines at some stage late in the approach. The reason for the power loss is not yet known, but the crew managed to control the descent over the perimeter fence at Heathrow to touch down with wings level, on to grass directly on the 27L extended centreline. The gear was down, and flap was set at about 20°, and the indications are that the crew had started the auxiliary power unit. On final approach, amateur footage shot of the aircraft shows the aircraft had adopted an uncommonly high nose-up attitude, and that the crew left gear deployment much later that would be normal procedure. On touchdown the 777's gear dug into the soft ground, the left main gear structure eventually protruded through the top of the wing root and the right main gear separated. The aircraft came to rest at the edge of the pre-threshold tarmac of runway 27L having made a very short ground run of about 350m. Witness reports of the aircraft attitude as it crossed the boundary fence suggest the aircraft was at or close to its stalling speed.

The weather at Heathrow was wind 220° at 16kt (30km/h), broken cloud at 1,400ft and 2,000ft, temperature 11°C, dew point 9°C, with a warning that the wind might vary temporarily to 240° at 20kt gusting to 32kt. The visibility was greater than 10km (6.2 miles).

Sources at Heathrow say the crew had declared an emergency early on final approach but did not have time to be specific about the problem. Almost all the passengers who have commented since the accident say the approach felt normal and the crew did not provide any warnings, but many did not realise they had "crashed" until the cabin crew ordered the evacuation. There was no fire.

Heathrow's southern runway 27L closed temporarily, then opened for take-offs only, while the northern runway remained in operation.




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