Investigators plan to push forward on Friday with efforts to retrieve the two aircraft involved in a crash in Washington that killed 67 people and raised questions about air safety in the U.S. capital.

The flight data recorder and cockpit voice recorder, known as the black boxes, may offer clues about what went wrong before the crash.

Lights from emergency vehicles are seen at Reagan National Airport in Washington, DC, after an air crash near the Potomac River on Jan. 29, 2025. "I am on site at the FAA HQ and closely monitoring the situation," Duffy wrote. Kansas Gov. Laura Kelly said she is "actively" in contact with authorities regarding the crash.