Aircraft safety record

Mbb helicopter accidents

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

Total incidents

Confirmed fatalities

Fatal incidents

Fatal rate

13.3%

Most affected models

Mbb BK1174 incidents

Probable causes

Under investigation11 incidents

Mechanical failure2 incidents

Pilot error2 incidents

Date	Location	Model	Fatalities	Severity	Cause	Source
2025-04-25	🇺🇸Hartford, United States	BK 117	—	unknown	Under investigation	NTSB
2022-06-30	🇺🇸Daytona Beach, United States	BO_105S	—	unknown	Under investigation	NTSB CAROL ↗
2022-05-14	🇺🇸Rochester, United States	BK 117 B-2	—	unknown	Under investigation	NTSB
2022-05-13	🇺🇸Rochester, United States	BK 117 B-2	—	unknown	Mechanical failure	NTSB CAROL ↗
2021-03-12	🇬🇧North Weald Airfield, Essex, United Kingdom	BK 117 C-2	—	serious	Pilot error	AAIB ↗
2020-07-04	🇺🇸Wooster, United States	BK117	—	unknown	Under investigation	NTSB
2018-12-25	🇺🇸Strum, United States	BK117	—	unknown	Under investigation	NTSB
2018-12-24	🇺🇸Strum, United States	BK117	—	minor	Pilot error	NTSB CAROL ↗
2018-09-06	🇺🇦Kyiv, Ukraine	BK117	—	unknown	Under investigation	NTSB
2018-03-05	🇺🇸Sheboygan, United States	BK 117 B-2	—	unknown	Mechanical failure	NTSB CAROL ↗
2014-05-04	🇺🇸Hamburg, United States	BK 117	—	unknown	Under investigation	NTSB
2013-09-10	🇨🇦McClure Strait, Canada	BO 105-S	3	fatal	Under investigation	NTSB
2012-12-11	🇺🇸Compton, United States	BK 117 A-3	3	fatal	Under investigation	NTSB
2011-11-13	🇺🇸Carbondale, United States	BK 117 B-2	—	unknown	Under investigation	NTSB
2009-09-06	🇺🇸Thibodaux, United States	BO-105S	—	unknown	Under investigation	NTSB