Answer: SSTS
SSTS is a crossword puzzle answer that we have spotted 390 times.
Referring Clues:
- J.F.K. sights
 - Atl. speedsters
 - J.F.K. jet set
 - Barrier breakers
 - Fleet fleet?
 - Mach 1 fliers
 - Fast fleet
 - High fliers
 - J.F.K. arrivals
 - Boom makers
 - Some jets
 - Frequent fliers
 - Tu-144 and others
 - Mach I breakers
 - They're not baby boomers
 - Creators of booms
 - J.F.K. jets
 - Mach-makers: Abbr.
 - Air France fleet members
 - Fast Atl. crossers
 - Atl. fliers
 - Loud streakers
 - Part of the Air France fleet
 - Alternatives to 747's
 - Concordes
 - N.Y.-Paris carriers
 - Transporters since '76
 - Fast jets, for short
 - Parts of the Air France fleet
 - Planes in the news
 - Sleek fleet
 - Members of a fast fleet
 - Sleek streakers
 - British Airways fleet
 - Fast fliers
 - Sleek fleet, briefly
 - Jet set
 - Air France assets
 - Orly risers?
 - Boom producers
 - Boom makers, for short
 - Speedy fliers
 - Some arrivals at 44-Across
 - Streakers, briefly
 - Ocean crossers
 - Jet set jets
 - Fliers from De Gaulle
 - Mach 2 fliers
 - Fast jets, briefly
 - Items for a transportation museum, now
 - Fast ones, for short
 - Swift fliers, for short
 - Speedy fliers, for short
 - Former Concorde fleet
 - Grounded jets
 - Grounded fleet
 - Part of Air France's fleet until 2003
 - Onetime Aerospatiale products
 - Former J.F.K. sights
 - Retired Atl. fliers
 - Retired fliers, for short
 - Retired fliers
 - Discontinued fliers, quickly
 - Boomers, once?
 - Out-of-commission cruisers: Abbr.
 - Retired fleet
 - J.F.K. landers, once
 - Onetime French fleet
 - Grounded speedsters
 - Fleet that was very fleet
 - Out-of-commission cruisers
 - Bygone fliers
 - Former boomers
 - Jet-setters' jets, once
 - Heathrow sights, once
 - Concordes, briefly
 - Old boom makers
 - Jets that boom
 - Fleet that was permanently retired in 2003
 - Bygone barrier breakers
 - Bygone boomers
 - Bygone "birds"
 - Former jets to J.F.K.
 - Former fast fliers
 - Bygone J.F.K. landers
 - Overseas fliers, briefly
 - Stratosphere streakers
 - Fleet fleet
 - JFK landers, for years
 - Fast fliers, for short
 - Temporarily grounded fleet, briefly
 - Grounded fliers
 - Concordes, e.g.
 - Ungrounded fliers
 - Once-grounded fliers
 - Fast flyers
 - Former JFK arrivals
 - Phased-out fliers
 - They've gone from boom to bust, briefly
 - Retired jets
 - Former trans-Atl. fleet
 - Fast fliers of yore
 - Fast flyers of yore
 - Fast flyers, once
 - Former JFK visitors
 - Erstwhile JFK visitors
 - Former Heathrow sights
 - Retired Eurofliers
 - Bygone Atl. crossers
 - Grounded Atl. crossers
 - Fast jets, once
 - Retired speedsters
 - Retired Atl. crossers
 - Grounded fast fliers
 - Some grounded jets
 - Decommissioned barrier breakers
 - AƩrospatiale products
 - Mach 2 fliers, briefly
 - Decommissioned boomers
 - Former JFK landers
 - Former jet set
 - Former sonic boom producers
 - Jet set jets, once
 - Boomers born in the 1960s
 - JFK arrivals, once
 - Old Atl. crossers
 - Retd. Air France fliers
 - Fleet fleet, once
 - Concorde fleet
 - Old trans-Atlantic speedsters
 - They had adjustable noses
 - They no longer boom
 - Tupolev Tu-144s, e.g.
 - Former frequent fliers
 - Former transatlantic planes
 - JFK jets, once
 - They no longer make booms
 - They flew for nearly 35 years
 - Extinct fliers
 - Mach 2 fliers, once
 - Former barrier breakers
 - Fleet fleet members of old
 - Fliers in museums
 - Flying dinosaurs?
 - JFK landers, once
 - Jets that last flew in 2003
 - Jet set?
 - Bygone fleet fleet
 - Frequent fliers, once
 - Their noses tilted down
 - Former fliers: Abbr.
 - Old trans-Atlantic jets, for short
 - Heathrow landers until 2003, briefly
 - Concordes, e.g.: Abbr.
 - Grounded fleet, briefly
 - Concordes: Abbr.
 - Defunct fliers, briefly
 - Fast fliers of the past: Abbr.
 - Old jet set jets
 - Grounded jets, briefly
 - AƩrospatiale was a co-mfr. of them
 - Defunct fleet
 - Fliers grounded in '03, for short
 - Grounded fleet, for short
 - Flightless birds?
 - Fleet fleet members, formerly
 - Former fliers from JFK to LHR
 - 2003 Air France retirees, briefly
 - Phased-out transports
 - Former fast fliers: Abbr.
 - Onetime JFK landers
 - Former Mach 2 fliers: Abbr.
 - Grounded planes: Abbr.
 - Retired airplanes: Abbr.
 - Retired planes: Abbr.
 - Former speedsters
 - Former fast movers, for short
 - Retired fast planes: Abbr.
 - Former Atl. crossers
 - Former Air France fliers: Abbr.
 - Fmr. fliers
 - Tu-144s, e.g.
 - Grounded jet planes: Abbr.
 - Grounded planes
 - Speedsters of yore
 - Former fast planes: Abbr.
 - Grounded fleet: Abbr.
 - Former Mach 2 flyers
 - Retired fast jets: Abbr.
 - Retired jets: Abbr.
 - Former fleet fleet
 - Now-mothballed fleet
 - Former source of sonic booms
 - Erstwhile Heathrow arrivals
 - Former Heathrow landers
 - Former fliers
 - Grounded jets: Abbr.
 - Former transatlantic fliers
 - Atl. crossers, once
 - One-time transatlantic speedsters
 - Sleek jets
 - Former fleet
 - Tu-144 and Concorde, once
 - Grounded Air France fliers, briefly
 - One-time flying boomers
 - Grounded commercial fleet (Abbr.)
 - Supersonic planes
 - They used to turn down their noses
 - The Concordes, when they flew
 - Former fast jets
 - Air France fleet members, once
 - Retired fleet, briefly
 - Concorde et al.
 - Retired boomers
 - Retired speedsters, briefly
 - Droop-nosed fliers, once
 - Speedy transports, once
 - One-time J.F.K. arrivals
 - Grounded fliers, briefly
 - Grounded fliers, for short
 - Grounded planes, briefly
 - Former sights at JFK
 - Certain planes (Abbr.)
 - Tu-144s and Concordes
 - Onetime J.F.K. arrivals
 - Retd. boomers
 - Ret. fliers
 - Past fast fliers: Abbr.
 - Grounded fast planes: Abbr.
 - Grounded jets, for short
 - They had Machmeters, briefly
 - Erstwhile speedsters
 - Onetime J.F.K. visitors
 - Ret. British Airways jets
 - Planes that comprised the Concorde fleet
 - Former fast-flying planes: Abbr.
 - Fleet fleet, once, in brief
 - Former members of the Air France fleet (abbr.)
 - Quondam JFK arrivals
 - Quondom JFK arrivals
 - Travel options for 30 yrs.
 - Old boomers
 - Bygone fleet fliers
 - Erstwhile JFK landers
 - Ex-JFK landers
 - Fast fliers, once
 - Fast fliers of yore: Abbr.
 - Former runway stars?
 - Producers of bygone booms
 - Former flyers
 - Bygone flyers
 - Ultrafast flyers, for short
 - Grounded big birds?
 - JFK jet set, once
 - Decommissioned cruisers, briefly
 - Superfast JFK arrivals, once
 - Droop-nosed fliers
 - Air France fliers
 - Grounded fleet of fast fliers
 - Former mach 1 breakers
 - Once-pricey flyers
 - Former Mach 2 craft
 - Bygone sky sights
 - '03 retirees
 - Orly birds, once
 - Former high fliers
 - Sound barrier breakers, now grounded
 - Now-flightless fleet
 - Fast planes
 - Concordes for example
 - Fast jets
 - Swift jets
 - Bygone planes
 - Fast fliers
 - Jet-set jets, once
 - Onetime JFK jets
 - Now-retired fast jets
 - Concordes, familiarly
 - Former transatlantic crossers
 - Big fast freighters
 - Fast former fliers: Abbr.
 - Concordes, for short
 - Former fast jets: Abbr.
 - Grounded 67-Across, for short
 - Fast "birds"
 - ' Boom makers, for short
 - Onetime landers at LAX
 - Boomers in the sky
 - Concordes, e.g., for short
 - One-time boomers
 - Onetime JFK sights
 - Big "birds" of old
 - Onetime high fliers
 - Former source of airborne booms
 - Vowelless planes
 - Booming jets of old, in brief
 - Former fast fliers at JFK
 - Big birds of yore
 - The Concorde fleet, e.g. (abbr.)
 - Former faves of jet-setters
 - Grounded trans-Atlantic fliers, for short
 - Anglo-French fliers until 2003
 - Former jet set jets
 - Match breakers
 - Booming jets of old
 - Sonic jets of yore
 - Former Atlantic crossers
 - They were retired in '03
 - Erstwhile "pond" jumpers
 - Rapid transit, once
 - Planes that comprised the Concorde fleet, briefly
 - Planes of the past
 - Former Brit. Airways jets
 - Super-fast fliers, briefly
 - Old Air France fleet, for short
 - Concordes, in brief
 - Former Air France fleet members, for short
 - Bygone jets, informally
 - Retired boomers, familiarly
 - Air France speedsters, once
 - Former Mach 2 fliers, briefly
 - Former Mach 2 fliers
 - Mach 1 breakers
 - Jets that first flew in '68
 - JFK's bygone whiskers?
 - JFK's bygone whiskers
 - Former jets to the U.K.
 - Huge planes
 - Atlantic crossers, once
 - Old trans-Atlantic super-speeders
 - Speedy jets
 - They got grounded after streaking
 - Old fast fliers, briefly
 - Old J.F.K. fliers
 - Retired jets, for short
 - Old Mach 2 fliers, for short
 - Former fast JFK flyers
 - Grounded fast planes, briefly
 - Former trans-Atl. fliers
 - Boomers of old, in brief
 - Air France retirees of '03
 - Ultra-fast jets
 - Speedy fliers no more
 - Bygone jets
 - Some speedsters, for short
 - Fliers until '03
 - Former sound barrier breakers, for short
 - Boomers that left the workforce in 2003 (abbr)
 - Planes
 - Aero giants (abbr.)
 - Phased-out jets
 - Now-flightless "birds"
 - Orly landers, once
 - Former fast planes
 - Some planes
 - J.F.K. landers until 2003
 - N.Y.-to-Paris fliers, once
 - Bygone boomers, for short
 - Former fast-flying jets: Abbr.
 - Old jet-set jets
 - Former-and-future fliers
 - Old fast fliers
 - Boom causers
 - Boom Technology products on order for NASA
 - Giant jets
 - Big air freighters (acronym)
 - Planes being redeveloped for NASA
 - Former Air France jets
 - Onetime trans-Atlantic fliers, for short
 - Old Concordes, in brief
 - Bygone fliers, briefly
 - Fast Atl. crossers, once
 - Old fast jets
 - Old swift fliers
 - Old jets, briefly
 - Alt. transport
 - Concordes et al.
 - Erstwhile UK planes
 - Retired fliers: Abbr.
 - Fast former fliers, for short
 - Old fast fliers: Abbr.
 - Concordes, e.g., in brief
 - Phased-out fast planes, for short
 - Ultrafast 62-Downs
 - Some old jets, for short
 - Old fleet fleet
 - Retired fast fliers: Abbr.
 - Bygone jets, briefly
 - Fast fliers no longer flying, briefly
 - Onetime high-speed fliers, for short
 
Last Seen In:
- New York Times - June 29, 2025
 - LA Times - April 13, 2025
 - LA Times - December 20, 2024
 - LA Times - October 01, 2024
 - LA Times - June 19, 2024
 - LA Times - May 21, 2024
 - LA Times - February 18, 2024
 - New York Times - November 26, 2023
 - LA Times - November 20, 2023
 - LA Times - August 19, 2023
 - LA Times - May 02, 2023
 - LA Times - April 16, 2023
 - LA Times - October 25, 2022
 - New York Times - August 16, 2022
 - LA Times - August 13, 2022
 - LA Times - June 03, 2022
 - LA Times - May 05, 2022
 - LA Times - November 29, 2021
 - New York Times - July 07, 2021
 - LA Times - May 19, 2021
 
Seen a clue for the answer ssts that we don't have? Then please submit it to us so we can make the clue database even better!