An investigation into a Marine Corps helicopter crash that occurred last February near Pine Valley, California, has ...

WASHINGTON — The crash of a Marine Corps helicopter last year that killed five service members was ultimately caused by pilot error, but the use of night vision goggles and unsafe flying conditions ...

A Marine Corps helicopter crash near Pine Valley, California, was attributed to pilot error and poor visibility.

The goggles can reduce a pilot’s ability to determine distance and can be degraded by weather or light pollution. The Marine helicopter was flying in icing conditions with low cloud cover that ...

Article continues below She also revealed that the pilot, alongside her annual evaluation, was being tested on her use of night vision goggles, which investigators believe the crew had been ...

The crash of a Marine Corps helicopter last year that killed five service members was ultimately caused by pilot error, but the use of night vision goggles and unsafe flying conditions also likely ...