Helio H-391B Safety Record
Complete NTSB accident and incident history. 10 events recorded from 1983 to 2025.
| 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 |