Aircraft safety record

Hiller helicopter accidents

Safety record and accident history for Hiller helicopters, sourced from NTSB records, news reports, and official investigation authorities.

Total incidents

Confirmed fatalities

Fatal incidents

Fatal rate

10.9%

Most affected models

Hiller UH-12E35 incidents

Hiller UH-12D4 incidents

Hiller UH-12A3 incidents

Hiller UH-12B3 incidents

Hiller FH-11003 incidents

Probable causes

Under investigation46 incidents

Pilot error5 incidents

Mechanical failure4 incidents

Date	Location	Model	Fatalities	Severity	Cause	Source
2026-04-30	🇺🇸Chickasha, United States	UH-12E	—	unknown	Under investigation	NTSB
2025-08-11	🇺🇸Fobes Hill, United States	UH-12E	—	unknown	Under investigation	NTSB
2025-04-06	🇺🇸Rockledge, United States	UH-12E	—	serious	Under investigation	NTSB
2025-03-25	🇺🇸Ruston, United States	UH12-ET	—	unknown	Under investigation	NTSB
2024-07-24	🇺🇸Bonners Ferry, United States	UH-12E	—	unknown	Under investigation	NTSB
2023-08-27	🇺🇸Mosby, United States	UH-12A	—	unknown	Pilot error	NTSB CAROL ↗
2022-07-06	🇺🇸Becker, United States	UH-12E	—	serious	Mechanical failure	NTSB CAROL ↗
2022-07-06	🇺🇸Wenatchee, United States	UH-12E	—	serious	Pilot error	NTSB CAROL ↗
2022-02-09	🇺🇸Shrewsbury, United States	UH-12E4	—	unknown	Pilot error	NTSB CAROL ↗
2021-09-29	🇺🇸Millen, United States	UH-12E	—	unknown	Under investigation	NTSB
2021-09-23	🇺🇸Bovill, United States	UH-12E	—	unknown	Under investigation	NTSB
2021-01-12	🇺🇸Lafayette, United States	UH-12C	—	unknown	Under investigation	NTSB
2020-07-17	🇺🇸Mehama, United States	UH-12D	1	fatal	Under investigation	NTSB
2020-02-01	🇺🇸Dinosaur, United States	UH-12E	—	unknown	Under investigation	NTSB
2019-10-14	🇺🇸Susanville, United States	UH-12E	—	unknown	Under investigation	NTSB
2019-10-13	🇺🇸Susanville, United States	UH-12E	—	minor	Mechanical failure	NTSB CAROL ↗
2018-09-20	🇺🇸Frankfort, United States	UH-12E	—	unknown	Pilot error	NTSB CAROL ↗
2017-09-11	🇺🇸Griffith, United States	UH-12A	—	unknown	Mechanical failure	NTSB CAROL ↗
2016-12-10	🇺🇸Tynan, United States	OH-23B	—	serious	Pilot error	NTSB CAROL ↗
2016-10-06	🇺🇸Lino Lakes, United States	FH 1100	2	fatal	Mechanical failure	NTSB CAROL ↗
2016-08-23	🇺🇸Cokeville, United States	UH-12D	—	minor	Under investigation	NTSB CAROL ↗
2015-05-27	🇺🇸Wasco, United States	UH-12E	1	fatal	Under investigation	NTSB
2015-03-29	🇺🇸Firebaugh, United States	UH-12E	—	unknown	Under investigation	NTSB
2014-11-24	🇺🇸Leesburg, United States	OH-23B	—	unknown	Under investigation	NTSB
2014-08-25	🇺🇸Cape May Court House, United States	UH-12E	—	unknown	Under investigation	NTSB
2014-07-26	🇺🇸Wadesboro, United States	UH-12E	—	unknown	Under investigation	NTSB
2013-12-09	🇺🇸Chowchilla, United States	UH-12E	—	unknown	Under investigation	NTSB
2013-06-29	🇺🇸Florence, United States	UH-12A	—	serious	Under investigation	NTSB
2013-05-26	🇺🇸Wenatchee, United States	UH-12E	—	unknown	Under investigation	NTSB
2013-02-06	🇺🇸Merritt Island, United States	UH-12B	—	unknown	Under investigation	NTSB
2012-09-19	🇺🇸Rio Vista, United States	UH-12B	—	unknown	Under investigation	NTSB
2012-08-07	🇺🇸Deer Island, United States	UH-12D	—	unknown	Under investigation	NTSB
2012-07-31	🇺🇸Cody, United States	FH-1100	—	unknown	Under investigation	NTSB
2012-06-04	🇺🇸Pasco, United States	UH-12B	—	unknown	Under investigation	NTSB
2011-06-23	🇺🇸Hanford, United States	UH-12E	—	unknown	Under investigation	NTSB
2011-06-19	🇺🇸Lost Hills, United States	UH-12E	—	unknown	Under investigation	NTSB
2011-06-01	🇺🇸Stockton, United States	UH-12E	—	unknown	Under investigation	NTSB
2011-03-25	🇺🇸Culpeper, United States	UH-12E	—	unknown	Under investigation	NTSB
2011-03-17	🇺🇸Iowa, United States	UH-12D	—	unknown	Under investigation	NTSB
2011-02-26	🇺🇸Colusa, United States	UH-12E	—	unknown	Under investigation	NTSB
2010-09-21	🇺🇸Mecca, United States	UH-12E	—	unknown	Under investigation	NTSB
2010-08-31	🇺🇸Kamiah, United States	UH-12E	3	fatal	Under investigation	NTSB
2010-07-29	🇺🇸Holly Hill, United States	UH-12E	—	serious	Under investigation	NTSB
2010-06-25	🇺🇸Grand Junction, United States	UH-12E	—	unknown	Under investigation	NTSB
2010-05-23	🇩🇪Görkwitz, Germany	FH-1100	4	fatal	Under investigation	NTSB
2010-05-09	🇺🇸Sarasota, United States	UH12	—	unknown	Under investigation	NTSB
2010-02-02	🇺🇸Los Banos, United States	UH-12E	—	unknown	Under investigation	NTSB
2010-01-01	🇺🇸Tipton, United States	UH-12E	—	unknown	Under investigation	NTSB
2009-06-11	🇺🇸Stringtown, United States	UH-12E	—	unknown	Under investigation	NTSB
2008-10-30	🇺🇸Powder River, United States	UH-12E	—	unknown	Under investigation	NTSB
2008-09-16	🇺🇸Naruna, United States	UH-12E	—	unknown	Under investigation	NTSB
2008-08-15	🇺🇸Cokato, United States	UH-12E	—	unknown	Under investigation	NTSB
2008-05-16	🇺🇸Comstock, United States	FH-1100	1	fatal	Under investigation	NTSB
2008-04-07	🇺🇸Quinton, United States	UH-12E	—	unknown	Under investigation	NTSB
2008-04-04	🇺🇸La Porte, United States	UH-12E	—	unknown	Under investigation	NTSB

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