Federal investigators have determined that ongoing construction was a factor in radio problems. These problems prevented air traffic controllers from receiving important warnings. The warnings were related to President Donald Trump's helicopter preparing for takeoff.

The investigation revealed that the construction contributed to the radio issues. This meant that air traffic controllers were not aware of the helicopter's impending departure. Further details about the incident are available from the investigators' report.

The report was released on Thursday, providing more information about the events surrounding the helicopter's takeoff. For more details, readers can refer to the full report from the federal investigators.