Lasers aid river search for debris from plane and helicopter collision near DC – Chicago Tribune

Crews continue searching for debris from a deadly collision between a passenger jet and Army helicopter near Washington using a laser-equipped plane to scan the Potomac River. Large pieces of wreckage and victims’ remains have been recovered, with smaller debris being sought before completing the work in a week. The NTSB is investigating the collision, with President Trump blaming air traffic control systems and questions raised about the helicopter’s altitude and surveillance technology.

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