The acting head of the Federal Aviation Administration says he will leave

Acting Administrator of the Federal Aviation Administration Billy Nolen, testifies during a Senate Commerce, Science, and Transportation Committee hearing to examine the implementation of the Aircraft Certification, Safety, and Accountability Act, on Wednesday, March 8, 2023, on Capitol Hill in Washington. (Mariam Zuhaib/AP)

The acting head of the Federal Aviation Administration will leave the agency this summer, putting pressure on the White House to quickly find a replacement after President Joe Biden's first choice withdrew last month.

Billy Nolen, who has been acting administrator for the past year, said in a memo to staff that it has been a dream job.