Historical clue formulations

• Concorde, e.g., in brief — 2026-03-25
• Bygone initials at JFK — 2025-06-18
• Concorde, e.g., for short — 2025-05-28
• The last one flew in 10/03 — 2025-04-17
• Fast, bygone jet, for short — 2023-11-29
• Concorde, e.g.: Abbr. — 2023-05-26
• Concorde, e.g., in brief — 2023-01-03
• Bygone Mach 1 breaker, in brief — 2022-05-11
• Boomer that went bust, in brief — 2022-03-25
• Bygone jet, for short — 2021-10-19
• Retired flier, for short — 2021-06-27
• Retired cross-Atlantic jet, for short — 2021-04-27
• Bygone Mach 1 breaker, for short — 2021-04-05
• Noted "retiree" of '03 — 2020-11-19
• Historic aircraft inits. — 2020-10-03
• Retired means of travel, for short — 2020-07-23
• Historic barrier breaker, for short — 2019-12-28
• Onetime part of the Air France fleet, in brief — 2019-12-27
• Fast flier of the past, for short — 2019-08-28
• Former fast jet, in brief — 2019-07-02
• Concorde, e.g., for short — 2018-12-20
• Concorde, e.g., for short — 2018-11-12
• Cross-Atlantic flier, once, in brief — 2018-08-19
• High-speed inits. — 2018-03-03
• Air travel option until '03 — 2017-10-25
• Attraction at Boeing's Museum of Flight, for short — 2017-08-10
• Concorde, for short — 2017-05-22
• Retired jet, for short — 2017-03-06
• It went boom, for short — 2016-10-27
• Retired boomer — 2015-10-25
• Concorde, e.g., for short — 2015-10-19
• Boom source — 2015-08-30
• Bygone cross-Atlantic jet, for short — 2015-07-13
• Retired runway model — 2015-05-02
• Retired runway model — 2015-03-22
• Former barrier breaker — 2015-02-11
• Craft that must overcome wave drag, in brief — 2014-12-19
• Jet for the jet set — 2014-12-02
• Boomer for nearly 35 yrs. — 2014-11-21
• Orly bird, once? — 2014-09-21
• Jet that once made a boom, in brief — 2014-06-10
• New York arrival of '77 — 2014-03-30
• Retired boomer — 2014-03-07
• Fleet member retired in '03 — 2014-02-12
• Former Brit. Airways vehicle — 2013-09-11
• Bygone flier — 2013-07-28
• Mach 1 breaker — 2012-12-19
• Contrail source, once: Abbr. — 2012-11-25
• Retired boomer — 2012-11-03
• Bygone flier, for short — 2012-10-18