Six days ahead of schedule, officials on Tuesday announced the section of the Potomac River affected by the deadly collision between an American Airlines jet and military helicopter had been fully restored.

Crews have finished recovering the wreckage of a plane and helicopter that collided mid-air, killing 67 people.

In a major update, the US National Transportation Safety Board and the Federal Aviation Administration retrieved parts of the wreckage of the Black Hawk helicopter on 7. The helicopter collided with an American Airlines jet on January 30.