The NTSB said airplane pilots were alerted to take evasive action to avoid hitting helicopters at least once a month from ...
The Federal Aviation Administration has imposed permanent restrictions on non-essential helicopter operations around the ...
23 小时
Military Times on MSNDC helicopter route permanently closed after fatal Black Hawk crashThe move follows federal investigators's call for a ban on helo flights on the route, citing a string of near misses in ...
16 小时on MSN
Helicopters will be permanently restricted from flying near Washington, D.C.’s airport on the same route where a passenger jet and an ...
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