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Alternative clues for the word sst

• Double S aircraft
• Aerial clipper
• Ex-Atl. crosser
• Old J.F.K. sight
• New craft of '68
• Bygone cross-Atlantic jet, for short
• Air France fleet member
• Boomer that no longer booms, briefly
• Concorde or Tupolev
• Mach 2 flier, for short