
1) Aviator Chuck 2) Chuck in the air 3) English surname 4) Famous pilot 5) First person to break mach 1 6) First pilot to exceed Mach 1 7) First supersonic human 8) Flier of the X-1 9) Former test pilot Chuck 10) Legendary test pilot 11) Legendary test pilot chuck 12) Noted barrier breaker 13) Sound barrier breaker Chuck
Found on
https://www.crosswordclues.com/clue/yeager

(“Chuck”), born 1923, U.S. aviator and test pilot: the first person to fly faster than the speed of sound (1947).
Found on
https://www.infoplease.com/dictionary/yeager
No exact match found.