NTSB urges ban on some helicopter flights at Washington airport where 67 people died

The NTSB has issued its preliminary report for the deadly January crash between a passenger jet and an Army helicopter near Washington, D.C., that killed 67 people.

NTSB urges ban on some helicopter flights at Washington airport where 67 people died
The NTSB has issued its preliminary report for the deadly January crash between a passenger jet and an Army helicopter near Washington, D.C., that killed 67 people.