Matthew Bird, 21, from Spofforth, and Oliver Dawes, 24, from Burley in Wharfedale, were the pilot and passenger of the two-seater Cessna

The hearing opened Wednesday with a video animation showing where the helicopter and airliner were leading up to the crash.

Military helicopter traffic over Washington was a longtime worry among aviators operating around the airport where an Army helicopter and commercial airliner collided this year, killing 67 people, federal investigators heard during testimony on Thursday.

Anh-Thu Nguyen, 44, wanted to be the first Vietnamese woman to complete a solo flight around the world. Her journey ended prematurely after her airplane crashed in Greenwood, Indiana, on July 30. The Johnson County coroner has identified Nguyen,

Anh-Thu Nguyen was killed after her plane seemingly lost control and crashed in Indiana on Wednesday morning, local officials said.