Buttigieg told Reuters in an interview the Biden administration plans to seek from Congress "the resources needed to accelerate these system changes" at the Federal Aviation Administration (FAA). He said it was important to look beyond the recent outage.

"The broader context is aging systems and growing demand. I don't want this to be 'whack-a-mole' where we figured out one flavor of problem on one system... only to face another one later on."

(Reporting by David Shepardson; Editing by Chizu Nomiyama)