<font face="Verdana, Arial, Helvetica, sans-serif" size="2">Originally posted by dbaker:
Actually, no, it has nothing to do with the type of aircraft but only who is operating the aircraft.</font>
What hfly meant was that the VC-25 becomes AF-1
only when the President is on board. If the aircraft is flying empty, it's not AF-1. At the same time, any military aircraft that is carrying the president becomes <insert-military-branch-here>-1.