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

4.8%

Most affected models

Hiller UH-12E25 incidents

Hiller UH 12E11 incidents

Hiller UH12E4 incidents

Hiller UH-12A4 incidents

Hiller UH 12D3 incidents

Probable causes

Under investigation53 incidents

Pilot error6 incidents

Mechanical failure3 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	UH12E	—	unknown	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 ↗
2023-08-27	🇺🇸Mosby, United States	UH-12A	—	unknown	Pilot error	NTSB CAROL ↗
2023-08-27	🇺🇸Mosby, United States	UH-12A	—	unknown	Under investigation	NTSB
2022-07-06	🇺🇸Becker, United States	UH12E	—	unknown	Under investigation	NTSB
2022-07-06	🇺🇸Becker, United States	UH12E	—	serious	Mechanical failure	NTSB CAROL ↗
2022-07-06	🇺🇸Wenatchee, United States	UH-12E	—	serious	Pilot error	NTSB CAROL ↗
2022-07-06	🇺🇸Wenatchee, United States	UH-12E	—	unknown	Under investigation	NTSB
2022-02-09	🇺🇸Shrewsbury, United States	UH-12E4	—	unknown	Pilot error	NTSB CAROL ↗
2022-02-09	🇺🇸Shrewsbury, United States	UH-12E4	—	unknown	Under investigation	NTSB
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	UH12C	—	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	Under investigation	NTSB
2018-09-20	🇺🇸Frankfort, United States	UH 12E	—	unknown	Pilot error	NTSB CAROL ↗
2017-09-11	🇺🇸Griffith, United States	UH 12A	—	unknown	Under investigation	NTSB
2017-09-11	🇺🇸Griffith, United States	UH 12A	—	unknown	Mechanical failure	NTSB CAROL ↗
2016-12-10	🇺🇸Tynan, United States	OH 23B	—	unknown	Under investigation	NTSB
2016-12-10	🇺🇸Tynan, United States	OH 23B	—	serious	Pilot error	NTSB CAROL ↗
2016-08-23	🇺🇸Cokeville, United States	UH 12D	—	unknown	Under investigation	NTSB
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	—	unknown	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
2012-06-04	🇺🇸Pasco, United States	UH-12B	—	unknown	Under investigation	NTSB
2011-06-23	🇺🇸Hanford, United States	UH12E	—	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	—	unknown	Under investigation	NTSB
2010-06-25	🇺🇸Grand Junction, United States	UH-12E	—	unknown	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
2008-04-07	🇺🇸Quinton, United States	UH-12E	—	unknown	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
2008-04-04	🇺🇸La Porte, United States	UH-12E	—	unknown	Under investigation	NTSB

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