“In general, the F.A.A. chooses names that are noncontroversial,” said an agency spokeswoman, Laura Brown.

A growing number of businesses have been severing ties with Mr. Trump since the Republican presidential candidate made derogatory remarks about Mexican immigrants in a campaign speech. That includes NBC, which aired Mr. Trump’s show, “The Apprentice.”

In 2010, an air traffic controller who was a fan of Mr. Trump’s reality show and its catchphrase, “You’re fired,” named some of the navigation points that pilots use for takeoff from the airport DONLD, TRMMP and UFIRD.