US authorities are investigating a close call involving Marine One and a passenger jet. The incident occurred above Washington on August 4th, with air traffic control involved. White House officials stated President Trump was never in any danger during the flight. Safety regulations require significant separation between aircraft in this airspace. The NTSB is reviewing the reported loss of separation event.

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The presidential helicopter was involved in a so-called “loss of standard separation,” which requires aircraft to be at least 1.5 miles horizontally and 500 feet vertically away.