A congressional hearing has reinforced the idea that the January collision between an American Airlines passenger jet and an Army helicopter that killed all 67 people aboard both aircraft could have been prevented.

Sen. Jerry Moran (R-Kan.) convened a hearing on the NTSB’s preliminary report on the midair collision in Washington this winter.

Rescue and salvage crews with cranes pull up the ... previously said the helicopter may have had inaccurate altitude readings in the moments before the crash, and the crew may not have heard ...