This Aviojet is ex 411-21 of 411 Esc, 74-34 of 741 Esc (early 1989 to the late 2010s), 793-81 of 793 Esc from 2020 to May'22. The Esc was disbanded and the C101 was stored. The C101 within the Ejercite del Aire (EdA, Spanish Air Force) was withdrawn from use on 14 Jun'25. The Centro Logístico de Armamento y Experimentación (CLAEX) is the EdA's armament and experimental logistics center, responsible for flight testing, system integration, and upgrading aircraft. It is based at Torrjeon, continues as the sole EdA unit with six C101s . Here the aircraft returns from a testflight after storage.

The Spanish Air Force CASA 101 fleet has partially been recoded from 79 to 793 in the last few years. A prime example with the classic silver and orange colours is E.25-81 with code 793-81 which was caught just before touchdown at its homebase San Javier, where it serves with the Academia General del Aire.