The Army Blackhawk pilot involved in the Washington, DC, plane crash failed to heed her flight instructor’s warning just 15 seconds before the deadly crash that killed 67 people, according to a new report.

New details suggest missed instructions played a role in the January mid-air collision between an Army Black Hawk helicopter and a passenger jet in Washington, D.C., that killed 67 people. A new report from the New York Times reveals the pilot aboard the Black Hawk failed to heed a flight instructor’s warning seconds before the crash.