DHC4 safety overview
Most affected: Vietnam (29), United States (8), Malaysia (6), Canada (5), Papua New Guinea (4)
Top operators: United States Air Force - USAF (since 1947) (22), Royal Australian Air Force - RAAF (17), United States Army (12), Royal Malaysian Air Force - Tentera Udara Diraja Malaysia (6), Greatland Air Cargo (3)
DHC4 occurrences (1–50 of 91)
- 2016-10-31 — Perkumpulan Penerbangan Alfa Indonesia — PK-SWW (4 fatal)
- 2016-10-31 (4 fatal)
- 2016-10-31 (incident)
- 2016-10-31 — Puncak Regency Administration, opb Alfa Indonesia (4 fatal)
- 2008-09-05 — Royal Australian Air Force - RAAF (incident)
- 2006-10-10 — Trigana Air Service — PK-YRO (incident)
- 2006-10-10 — Trigana Air Service (incident)
- 2001-08-29 — Greatland Air Cargo — N2225C (incident)
- 1999-05-24 — Royal Malaysian Air Force - Tentera Udara Diraja Malaysia — M21-05 (5 fatal)
- 1999-05-24 — Tentera Udara Diraja Malaysia (TUDM) (5 fatal)
- 1997-01-30 — South Central Air — N702SC (incident)
- 1997-01-29 — SouthCentral Air — N702SC (1 fatal)
- 1997-01-29 — Southcentral Air (1 fatal)
- 1996-08-02 — Greatland Air Cargo — N800NC (incident)
- 1996-08-02 — Greatland Air Cargo (incident)
- 1996-07-17 — Operation Blessing — 9Q-CUB (incident)
- 1995-07-31 — Royal Malaysian Air Force - Tentera Udara Diraja Malaysia — M21-13 (3 fatal)
- 1995-07-31 — Tentera Udara Diraja Malaysia (TUDM) (3 fatal)
- 1995-07-01 — Garamut Aviation — P2-VTC (2 fatal)
- 1992-08-27 — NewCal Aviation — N400NC (3 fatal)
- 1991-11-23 — Royal Australian Air Force - RAAF (incident)
- 1987-11-10 — Kenn Borek Air — C-GVYX (2 fatal)
- 1987-11-10 — Kenn Borek Air (2 fatal)
- 1986-07-04 — Royal Australian Air Force - RAAF — A4-264 (hull loss)
- 1986-07-04 — Royal Australian Air Force - RAAF (incident)
- 1986-03-20 — Woods Air Service - Woods Air Fuel — N539Y (2 fatal)
- 1986-03-20 — Woods Air Service (2 fatal)
- 1984-10-23 — NewCal Aviation — N5488R (1 fatal)
- 1984-10-23 — NewCal Aviation (1 fatal)
- 1984-01-18 — United States Army (incident)
- 1983-06-08 — Indian Air Force - Bharatiya Vayu Sena — M933 (3 fatal)
- 1982-09-24 — Royal Malaysian Air Force - Tentera Udara Diraja Malaysia — M21-17 (7 fatal)
- 1982-09-01 — Aerolineas Condor — HC-BHZ (44 fatal)
- 1982-09-01 (44 fatal)
- 1981-10-15 — Masin Aircraft Company — N90570 (incident)
- 1981-05-09 — PropAir — C-GVGU (incident)
- 1981-05-09 — Propair (incident)
- 1980-11-29 — Royal Malaysian Air Force - Tentera Udara Diraja Malaysia — M21-12 (hull loss)
- 1979-03-17 — Air Inuit — C-GVYW (3 fatal)
- 1976-10-28 — United Arab Emirates - Amiri Flight — 301 (incident)
- 1976-10-28 — Abu Dhabi Army Air Wing (incident)
- 1976-04-28 — Uganda Police Air Wing — 5X-AAB (incident)
- 1976-04-28 — Uganda Police Airwing (incident)
- 1975-12-31 — United States Army — 66-250 (incident)
- 1975-09-04 — Royal Australian Air Force - RAAF (incident)
- 1974-11-15 — Tanzania Peoples Defence Forces — JW9015 (incident)
- 1974-11-15 — Tanzanian People's Defence Force (incident)
- 1974-08-29 — Masin Aircraft Company — N90569 (hull loss)
- 1974-08-29 — Masin Aircraft Co. (incident)
- 1973-12-03 — Sultan of Oman Air Force (al-Quwwat al-Jawwiya al-Sultanat Oman) — 803 (hull loss)