WASHINGTON – Construction at the White House might have contributed to an incident in August in which the president’s helicopter came dangerously close to a commercial jet over Washington, according to a new report from the National Transportation Safety Board.According to the report, work to build a new ballroom at the White House forced officials to move the helicopter’s takeoff location temporarily from the South Lawn to the Ellipse, the park south of the White House.But the new location might have been less optimal for communicating with air traffic controllers, leading to communication glitches, the report said.Technicians “conducted a coverage analysis and determined that there was not adequate line-of-sight to ensure communications” between the Ellipse and the tower ”while construction was ongoing at the White House,” the board’s report reads.The report chronicled how garbled communications caused the airport controller to miss multiple warnings from the helicopter crew that they were minutes from takeoff – a notification that would have signalled to the controller to temporarily ground planes while the helicopter passed through the area.Instead, the controller allowed an Envoy Air jet bound for Pensacola, Florida, to depart from an airport runway just as Marine One was about to take off, resulting in the plane and the helicopter passing each other less than 1.6km apart.The board’s findings are preliminary, and its investigation of the incident is ongoing.The White House grounds have been the site of extensive construction, as crews work 20 hours a day, seven days a week, to make progress on US President Donald Trump’s plans to build a massive ballroom.The project has been hotly contested, but last week, the Supreme Court temporarily allowed Trump to forge ahead while it considered whether the 90,000-sq-ft project could be completed.Representatives for the White House did not address questions about the role that the White House ballroom construction might have played in the incident.“Marine One flights are piloted by the finest aviators in the world, and the White House maintains the utmost confidence in these patriots and other security officials who are responsible for ensuring the president’s safety,” Kush Desai, a spokesperson for the White House, said in a statement.“Although the president was at no point in harm’s way during the Aug 4 momentary loss of separation, the White House continues to work with relevant military, FAA, and other security personnel to ensure the president’s continued safety.”Under current procedures, controllers are expected to keep the congested skies around Ronald Reagan National Airport clear of traffic when the president’s helicopter is traversing the area.In the wake of the Aug 4 incident, Sean Duffy, the transportation secretary, said the president was never in danger because the flight paths of the two aircraft would not have converged. He blamed the incident on faulty telecom issues.Earlier this week, Bryan Bedford, who leads the Federal Aviation Administration, told reporters that his agency had made changes to communication procedures and relocated an air traffic antenna to help fix the problems.“The FAA took immediate action following the Aug 4 incident involving Marine One,” Hannah Walden, a spokesperson for the FAA, said in a statement, listing the changes that Bedford had referenced earlier in the week.On Aug 27, just hours after the NTSB released its preliminary report, air traffic controllers again appeared to have difficulty receiving transmissions from Marine One, just minutes before it was due to depart the Ellipse.They relied on other helicopters operating nearby to prepare for the president’s departure.“Eagle 2, Marine One is trying to reach you at three minutes to lift,” one helicopter was heard radioing the control tower at Reagan National, according to transmissions captured on LiveATC.net, a site that compiles and posts recordings of air traffic audio collected by aviation enthusiasts.“Do me a favour: I can’t hear Marine One,” the controller said a couple of minutes later to another helicopter pilot. “If you hear Marine One, can you let me know?”A little more than a minute later, the controller could be heard making contact with the Marine One crew, and the takeoff proceeded without incident, with controllers halting other traffic before takeoff.When asked about the incident, Walden said in a statement that the sequence had been smooth.“The three-minute notification was communicated by alternate means, acknowledged by a controller, and positive contact was established with Marine One before takeoff,” she said.But the events nonetheless harked back to the 2025 tragic collision over National Airport, in which a passenger jet and an Army Black Hawk helicopter collided in midair, killing 67.That accident focused national scrutiny on long-standing shortfalls in air traffic control staffing, and revealed that senior FAA officials had ignored years of warnings that crisscrossing flight paths through the skies surrounding the airport posed critical safety risks.
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