AIRBUS HELICOPTERS AS350B3e
Skwentna, AK — August 20, 2025
Event Information
| Date | August 20, 2025 |
| Event Type | ACC |
| NTSB Number | ANC25LA097 |
| Event ID | 20250827200883 |
| Location | Skwentna, AK |
| Country | USA |
| Coordinates | 61.76917, -152.98693 |
| Highest Injury | NONE |
Aircraft
| Make | AIRBUS HELICOPTERS |
| Model | AS350B3e |
| Category | HELI |
| FAR Part | 133 |
| Aircraft Damage | SUBS |
Conditions
| Light Condition | DAYL |
| Weather | VMC |
Injuries
| Fatal | 0 |
| Serious | 0 |
| Minor | 0 |
| None | 1 |
| Total Injured | 0 |
Probable Cause
The pilot’s inadvertent entanglement of a lightweight Kevlar long line into the helicopters operating main rotor system, resulting in a severe imbalance and separation of the main rotor gearbox.
About This NTSB Record
This aviation event was investigated by the National Transportation Safety Board (NTSB). NTSB investigates all U.S. civil aviation accidents to determine probable cause and issue safety recommendations to prevent future accidents.