An American Airlines flight collided with a Black Hawk helicopter over Washington, DC, resulting in 67 deaths. Preliminary data suggests a discrepancy in altitude between the two aircrafts. The investigation is ongoing.
Key Points
Discrepancy in altitude between the American Airlines plane and Black Hawk helicopter
Pilots may have attempted to pull up the plane upon noticing the helicopter
NTSB is investigating the cause of the collision
Pros
Preliminary data is available for investigation
NTSB is actively working on transcribing voice recorders
Black box voice recorders from both aircraft have been recovered