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3. Old jet-set jet

Alternative clues for the word sst

• TU-144, e.g
• Defunct flier
• Concorde, e.g., briefly
• Across-the-Atlantic flier of old, briefly
• One of a retired set
• Orly-Dulles transp
• Atlantic crosser of old
• Onetime sonic boom maker
• Passé flier
• Fast freighter, abbr