Sign up for the daily Inside Washington email for exclusive US coverage and analysis sent to your inbox Get our free Inside Washington email Get our free Inside Washington email Email * SIGN UP I would like to be emailed about offers, events and updates from The Independent. Read our Privacy noticePresident Donald Trump was aboard Marine One when it was involved in an “air-traffic safety incident” above Washington, D.C. that is being reviewed by federal aviation officials. Ever since the devastating crash, which claimed 67 lives, the Federal Aviation Administration has taken action to restrict mixed traffic around the airport. Envoy ​Air 3742, a regional E170 jet bound for Pensacola, Florida, departed at 2:34 p.m. and was involved in the apparent loss of separation incident with Marine One, Reuters reported. Reagan airport has experienced a number of close calls before and after last year’s collision — the deadliest commercial aviation disaster in America in more than 20 years.