Why was a plane allowed to take off as Trump's helicopter approached

The incident took place on Tuesday as Marine One carried Trump from the White House to Andrews Air Force Base for the first leg of his West Coast tripThe US Federal Aviation Administration (FAA) is investigating why a commercial aircraft was cleared for take-off from Ronald Reagan Washington National Airport while US President Donald Trump's helicopter, Marine One, was approaching the airport, despite safety procedures introduced after last year's deadly midair collision.The incident took place on Tuesday as Marine One carried Trump from the White House to Andrews Air Force Base for the first leg of his West Coast trip. Although officials said the aircraft were never on a collision course and the president was never in danger, the event has raised fresh questions about whether the stricter