Related Clues:
- Boeing 2707 et al
- Some private jets
- Air France fliers, once
- Former-and-future fliers
- Old fast fliers
- Mach 2 flyers, once
- They once made touchdowns in NYC
- Concordes, e.g.(now out of service)
- Fast planes at J.F.K
- Fast planes of old
- Planes that comprised the Concorde fleet
- Boom Technology products on order for NASA
- Big air freighters (acronym)
- Planes being redeveloped for NASA
- Speedy planes