C421 occurrences (251–300 of 618)
- 1994-10-03 — N701AM (incident)
- 1994-08-03 — Les Ailes de Charlevoix — C-GVPB (6 fatal)
- 1994-07-29 — N819RA (incident)
- 1994-07-29 — Randsburg Corp. — N985RA (incident)
- 1994-06-15 — Alexander Greco — N421AG (2 fatal)
- 1994-05-03 — N2211W (incident)
- 1994-03-08 — LY-AYT (incident)
- 1994-02-28 — Federal Aviation Admin — N421HA (incident)
- 1994-02-23 — Arie Van Ryn — N7039T (incident)
- 1994-02-10 — Critical Air Medicine — N741CA (2 fatal)
- 1994-01-26 — Sky Harbor Air Service — N5468G (2 fatal)
- 1994-01-21 — Heritage Aircraft — N777BE (3 fatal)
- 1993-11-20 — Phenix Air Service — F-GBEX (2 fatal)
- 1993-11-10 — N1600B (incident)
- 1993-11-06 — Omni Group — N41010 (5 fatal)
- 1993-09-30 — Aermar — I-STMO (5 fatal)
- 1993-09-06 — N747BW (incident)
- 1993-07-12 — Colombian Air Force - Fuerza Aérea Colombiana — FAC-5038 (hull loss)
- 1993-06-10 — Vanliere, David L. — N699DT (incident)
- 1993-04-29 — Private Wing Flugreisen Gmbh — N4939M (2 fatal)
- 1993-04-15 — Southern Airways Inc. — N14A (incident)
- 1993-03-25 — Phoenix 2000 Air Taxi — HA-ACA (incident)
- 1993-03-11 — Critical Air Medicine — N2656N (3 fatal)
- 1992-12-17 — Ernst Rüdiger Voggenreiter — D-IDAK (1 fatal)
- 1992-12-12 — Arthur B. Higgins — N98489 (2 fatal)
- 1992-11-22 — Farroll Equipment Compnany — N52AK (incident)
- 1992-07-04 — Golden Sierra Aviation — N929DB (incident)
- 1992-07-03 — Professional Pilot Associates — N11BU (incident)
- 1992-06-24 — Judith Rea Enterprises — N628RJ (3 fatal)
- 1992-06-22 — Shoeware Limited — N39PW (incident)
- 1992-01-25 — Air Boniats — D-IBHH (5 fatal)
- 1992-01-13 — Williamson, J. M. — N40JK (5 fatal)
- 1992-01-04 — Cebco Aviation, Inc. — N1974G (3 fatal)
- 1992-01-04 — Frank Gearhart — N2654M (4 fatal)
- 1991-12-05 — Arr Corp. — N777RA (incident)
- 1991-11-29 — Stanford P. Kibbe — N421DP (incident)
- 1991-10-10 — Aviation Specialist, Inc. — N100CA (incident)
- 1991-10-05 — Dalton, Timothy V. — N5486G (incident)
- 1991-08-16 — Ralph Lowry Aircraft, Inc. — N80RS (incident)
- 1991-08-01 — Edward Mueller — N98455 (incident)
- 1991-07-17 — Abrams, Stanley E. — N768RA (incident)
- 1991-05-01 — Executive Airmotive — N18DF (incident)
- 1991-03-29 — George Mehl — N3851C (5 fatal)
- 1991-03-23 — David Ahlzadeh — N4071L (incident)
- 1991-03-12 — Deer Valley Aviation, Inc — N924MD (incident)
- 1991-02-25 — Kansas State University — N125KS (incident)
- 1991-01-05 — Ronnie Ray Shanks — N421H (6 fatal)
- 1990-11-09 — Saint Paul Aviation — N21ST (3 fatal)
- 1990-10-07 — N69900 (incident)
- 1990-10-02 — Private Mexico — XB-DWT (3 fatal)