Meanings
plural fleet leaders
- aeronauticsThe airframe or component with the longest time in service, compared to others of the same design.
This Falcon 7X is now the fleet leader having flown over 800,000 nautical miles (148,148 km).
2009 October 19, Dassault Aviation press releasehttps://web.archive.org/web/20200711052328/https://www.dassaultfalcon.com/en/MediaCenter/Newsd/Pages/PR%202009/Falcon-7X-Fleet-Leader-Passes-2,000-Flight-Hours.aspx1 more example
Obviously the best engines to use for comparison would be those of greatest total (flight plus test) operating time -- the so-called "fleet leaders."
1986 June 6, Richard Feynman, “Personal observations on the reliability of the Shuttle”, in Presidential Commission on the Space Shuttle Challenger Accident, Report to the President
Cite this entry
fleet leader. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/fleet%20leader
“fleet leader.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/fleet%20leader. Accessed November 4, 2026.
WatkinsX Dictionary, s.v. “fleet leader,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/fleet%20leader.
Source: fleet leader on Wiktionary, CC BY-SA 4.0.