Clue: Speed-of-sound topper, briefly

We have 1 answer for the crossword clue Speed-of-sound topper, briefly.

Possible Answers:

• SST

Related Clues:

• Word in the title of Lithgow’s series
• Grounded fast flier
• Aircraft in the Smithsonian Inst. collection
• Supersonic transport
• Ret. plane
• TU-144, e.g. (abbr.)
• Concorde, e.g., briefly
• Its business is no longer booming
• Troubled Fr. plane
• Retired flier, briefly
• Fast flier
• Former high flier
• Former Heathrow lander
• Jet with an adjustable nose
• Passé flier
• Speedy Atlantic hopper (Abbr.)
• Droop-nosed flier
• Sonic boom source
• Sidelined craft
• Speed-of-sound breaker, briefly
• Former fast flier
• Sonic-boom creator in the sky
• Barrier-breaking jet
• Streaker to Europe
• Former rapid transit: Abbr.
• ... and 131 more.

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