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Helicopters in the Himalayas

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Helicopters in the Himalayas

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Old 17th Feb 2011, 11:08
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Helicopters in the Himalayas

Could some of you rotorheads answer a question? I've just finished reading a book by Ed Viesturs about climbing in the Himalayas, and he at one stage uses a large Russian Mi-l7 for delivering gear and people to base camp at Annapurna, 14,000'. How high can a helicopter do useful work?
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Old 17th Feb 2011, 11:56
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I think it was Aser the other day with some parachutists, up talking to Jesus. Ask him

Mind you, that's nuthin new, most of us spend some time talking to the old codger for various reasons now and then.
all the best tet
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Old 17th Feb 2011, 12:02
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Hey, nice to chat the other day Aser. Rude parachutists though, they were outta there quick smart. Sacrilegious heathen, you all smell like cabbage....
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Old 17th Feb 2011, 14:48
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Mary,

To answer your question, it varies depending upon multiple factors. Generally the higher you go, the less useful load can be carried.

As a rough guide, light helicopters, (Bell 206L4- with TRACS, Bell 407, B3 Astar), can all do useful work up to around 12,000 to 14,000 feet. Above that and you are pretty much having to start stripping it down.

As for the Mil-17....I do not know.
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Old 17th Feb 2011, 15:04
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For Mil it will be 18000 feet
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Old 17th Feb 2011, 16:39
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if PBS Safir APU on board
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Old 18th Feb 2011, 00:42
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For a Bell 205, 25,500 ft DA is still capable but landings are not an option.

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