Related Clues:

• Unrealized 60's Boeing project
• Brit. Airways vehicle
• Fast plane: Abbr.
• Concorde, e.g.
• Expensive transport
• New flier of 1968
• Fast way to the U.K.
• Jet set's jet
• Mach-1 surpasser
• Jet to Heathrow
• New craft of '68
• Ocean crosser
• Mach 1 breaker
• One making a quick trip
• Certain descriptive aircraft letters