How many accidents has the Helio H-391B had?

The NTSB has recorded 10 events involving the Helio H-391B: 0 fatal, 0 serious, 0 minor injuries, and 10 incidents with no injuries.

Is the Helio H-391B a safe aircraft?

Safety depends on many factors beyond the aircraft model, including pilot training, maintenance, and weather conditions. The Helio H-391B has 10 NTSB-recorded events. Always review individual reports for context — many events involve pilot error or weather, not aircraft defects.

Helio H-391B Safety Record

Complete NTSB accident and incident history. 10 events recorded from 1983 to 2025.

All Events

Incidents

Minor

Serious

Fatal (0 fatalities)

Date	Location	Reg#	Severity	Damage	Probable Cause
Aug 18, 2025	Monroe, MI	N4431U	Incident	substantial	The pilot’s failure to maintain directional control during the landing roll with a crosswind.
Jul 07, 2003	BIG LAKE, AK	N17081	Incident	substantial	A loss of engine power for an undetermined reason during takeoff initial climb, which resulted in an in-flight collision with trees.
May 24, 2002	Cheyenne, WY	N25BA	Incident	substantial	the pilot's failure to maintain directional control.
Jun 02, 2001	ANVIK, AK	N25BA	Incident	substantial	The pilot's continued operation of the accident airplane with known equipment deficiencies, and an improper installation of the float assembly by main… The pilot's continued operation of the accident airplane with known equipment deficiencies, and an improper installation of the float assembly by maintenance personnel. A factor in the accident was the pilot's delay in aborting the takeoff.
Aug 26, 1992	EDMONDS, WA	N4431U	Incident	destroyed	THE PARTIAL LOSS OF ENGINE POWER WHEN AN EXHAUST VALVE SEIZED IN THE OPEN POSITION AND THE WATER WHERE THE PILOT WAS FORCED TO LAND, WHICH RESULTED IN… THE PARTIAL LOSS OF ENGINE POWER WHEN AN EXHAUST VALVE SEIZED IN THE OPEN POSITION AND THE WATER WHERE THE PILOT WAS FORCED TO LAND, WHICH RESULTED IN AN ACFT NOSE OVER ON TOUCHDOWN.
Sep 13, 1990	CIRCLE, AK	N316HW	Incident	substantial	PILOT-IN-COMMAND'S FAILURE TO MAINTAIN AIRPLANE CONTROL AND THE PILOT'S FAILURE TO IDENTIFY THE STALL.
Nov 20, 1989	PLAINWELL, MI	N8750R	Incident	substantial	FAILURE OF THE CROSSWIND LANDING GEAR SYSTEM TO ENGAGE ON THE LEFT MAIN GEAR DUE TO IMPROPER RIGGING ADJUSTMENT BY MAINTENANCE PERSONNEL. FACTORS REL… FAILURE OF THE CROSSWIND LANDING GEAR SYSTEM TO ENGAGE ON THE LEFT MAIN GEAR DUE TO IMPROPER RIGGING ADJUSTMENT BY MAINTENANCE PERSONNEL. FACTORS RELATED TO THE ACCIDENT WERE: UNFAVORABLE WIND CONDITIONS (GUSTS AND QUARTERING CROSSWIND) AND SOFT TERRAIN IN THE DITCH.
Dec 06, 1985	BOZEMAN, MT	N4101D	Incident	substantial	Investigation pending
Nov 19, 1983	HOOD RIVER, OR	N4431U	Incident	substantial	Investigation pending
Jun 05, 1983	CROTON, MI	N4119D	Incident	substantial	Investigation pending

Disclaimer: This data is sourced from the NTSB Aviation Accident Database. NTSB events reflect reported accidents and incidents and do not necessarily indicate a defect in the aircraft type. Many events involve pilot error, weather conditions, maintenance issues, or other factors unrelated to the aircraft design. This information is provided for research purposes only — consult official NTSB reports for complete details.

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Helio H-391B Safety Record

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