Diving crews are still searching the icy waters of the Potomac River looking to retrieve the bodies of all the people killed in this week’s plane and helicopter collision. Retired Black Hawk instructor pilot Martin Gottholm discusses the difficulties in flying at night for Black Hawk pilots and questions surrounding the altitudes of the aircrafts at the time.

The military helicopter that collided with an American Airlines flight this week was conducting training to prepare for a catastrophe or attack on the US.

The incident comes a week after an American Eagle regional jet collided with an Army Black Hawk helicopter over the Potomac River near Washington D.C. The reasons as to why the plane was interrupted in its journeys over the past month is unknown

As to what may have gone wrong and caused an American Airlines commercial jet and a military helicopter to collide, we spoke with a former NTSB investigator and former Black Hawk helicopter pilot to weigh in on the subject.

The pilots of the US Army helicopter that collided with an American Airlines Group Inc. regional jet near Washington last week were likely wearing night-vision goggles at the time of the accident.

The pilots of the US Army helicopter that collided with an American Airlines Group Inc. regional jet near Washington last week were likely wearing night-vision goggles at the time of the accident. Preliminary information including the type of mission they were flying and crew communications indicates the pilots were using the device,