美國海軍一架直升機(美東時間)星期三在進行訓練飛行時，意外墜毀在東部「維吉尼亞州」外海，機上5人，目前已知2人死亡、2人受傷送醫，還有1人失蹤。
美國海軍在新聞稿中說明，這架MH-53E「海龍」直升機意外墜毀在大西洋海中，當時海水溫度大約在攝氏3、4度左右。海軍隨即出動救援，從海水中拖出四人，其中兩人罹難，另外兩人受傷，緊急送往「維吉尼亞州」諾福克綜合醫院治療，其中一人傷勢嚴重，但都算穩定。不過，還有一人落水後，下落不明，當局還在搜救。
這起意外發生之前，美軍一架直升機在英國東部外海進行訓練飛行時，也出事墜毀，造成四人死亡。當局還在調查原因。
http://tw.news.yahoo.com/美軍-直升機墜毀在維吉尼亞外海2死1傷-024933547.html
The MH-53E Sea Dragon is used to search for seaborne mines and also for heavy-lift missions
US Navy helicopter crashes off Norfolk, Virginia
Two of four crew members rescued after a US Navy Helicopter crashed off Norfolk, Virginia, have died, officials say, while a fifth is still missing.
The US Navy MH-53E Sea Dragon was on a routine training mission.
US Coast Guard officials said they responded to a downed aircraft report at about 11:00 (16:00 GMT).
In a bizarre coincidence, the incident came a day after another US military helicopter crashed in the county of Norfolk, England, killing four people.
The helicopter involved in Tuesday's crash in the UK was a HH-60G Pave Hawk helicopter that belonged to the US Air Force.
Naval Station Norfolk
The aircraft in Wednesday's incident went down 18 nautical miles (33km) east of the Virginia coast. The cause of the crash is not yet known.
Two of the four people rescued and flown to a local hospital later died.
Petty Officer David Weydert said that the missing fifth person was still being sought.
The Coast Guard cutter Shearwater and two MH-60S helicopters are taking part in the search.
The downed helicopter was assigned to Helicopter Mine Countermeasures Squadron 14 (HM-14), the commander of Naval Air Force Atlantic said in a statement.
Norfolk, Virginia, is an important hub for the US military, and is home to Naval Station Norfolk, the largest naval complex in the world.
The water temperature there is about 6C (42F), according to US weather officials.
The helicopter is typically used in deliveries and in mine countermeasures.
The same model of helicopter crashed in 2012 in Oman, killing two Navy crew members.
http://www.bbc.co.uk/news/world-us-canada-25659531
※ 採用【高級動力的發動機及載具】，包括飛機、火箭、船艦、火車、高鐵、動車、及汽機車等，從12月中開始又是出事的高峰期，各種機瘟、船瘟、車瘟蔓延的時候。除了高速飛行、行駛中的意外、撞擊、出軌等，本身機件的故障、拋錨，都容易釀成巨大災難、重大死傷，偏偏在聖誕節及新年假期時間裡相位最緊、最嚴酷，恐怕也是最慘重時期。（