The deafening roar of jet engines revving at the start of the runway is not a sign of struggle, but a crucial safety procedure.

Air traffic control audio captured during the incident indicates the crew declared an emergency as the situation unfolded.

A United Airlines flight experienced an engine failure during takeoff from Dulles International Airport in D.C. on Saturday before safely returning to the airport, according to the Federal Aviation ...

The pause before takeoff is not hesitation, but a critical moment of engine verification and thrust stabilization.