Rescue chopper down off Alaska
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Six people are missing after a US Coast Guard helicopter crashes off Alaska during a ship rescue.
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A coalition helicopter went down in southeastern Afghanistan early Sunday after reporting an engine failure, according to a statement issued by the coalition headquarters in Bagram.
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Officials shifted their focus from  rescue work to cleanup and protection of marine habitat on  Friday at the site off an Alaskan island where a cargo ship  split apart two days earlier, spilling its fuel oil, and six  crew members went missing.
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Wind up to 60 mph prevented helicopters from lowering rescue workers to the wreckage of a tour helicopter that crashed in a remote mountainous area of Kauai.
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BAGHDAD, Iraq  -- A Sea Knight helicopter that crashed last week northwest of Baghdad was shot down, the U.S. military said Wednesday, reversing earlier statements that it appeared to have been due to mechanical failure.
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The wreckage of a Royal Navy helicopter, which disappeared with four crew members on board, has been found off the coast of Cornwall, the Ministry of Defence says.
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BANDA ACEH, Indonesia  - U.S. Navy helicopters,  unable to land in flooded, tsunami-ravaged Indonesian villages,  dropped aid on Sunday to desperate crowds clamoring for the  life-saving parcels.
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ANCHORAGE, Alaska The search continues for six people lost in Alaska&#39;s Bering Sea following a Coast Guard helicopter crash but the odds of their survival are slim.
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HAGATNA, Guam  - A U.S. navy MH60 helicopter crashed into a lake on the Pacific island of Guam, killing one crew member, the military said on Tuesday.
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Rescue teams in Nepal stepped up   their search for a helicopter chartered by conservation group   World Wildlife Fund (WWF) with 24 people on board after it went   missing during bad weather, officials said on Sunday.
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Groundbreaking technology A revolutionary* new robotic whisper-mode helicopter under development in America has crashed, according to reports.â¦
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Blowing snow forced two rescue helicopters to turn back Tuesday while trying to carry emergency help to an Arctic village whose electrical generator failed during a weekend blizzard that sent the temperature to 20 below zero.
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A U.S. CH-47 Chinook helicopter went down Wednesday night in southern Afghanistan, U.S. and NATO officials said.
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A U.S. helicopter with 10 people on board crashed near the Banda Aceh airport Monday while on a tsunami-relief operation, a U.S. military spokesman said.
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A transport helicopter that crashed in Iraq last week killing all seven on board was brought down by a "sophisticated piece of weaponry", the U.S. military said on Wednesday.
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The Sea Knight crash Wednesday is the fifth chopper lost in Iraq in just over two weeks
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Six people who disappeared two days ago when a helicopter trying to rescue them crashed into Alaskan waters are still unaccounted for, a spokesman for the US Coast Guard said.