Investigation of an accident with a light terrain vehicle (ATV) in Hengsvann shooting and training range in Notodden municipality
The NSIA has initiated a safety investigation into an accident with a light terrain vehicle that occurred at the Hengsvann shooting and training range on 20 May 2025. One person died in the accident.
A light terrain vehicle with driver overturned in a inaccessible terrain west of Finnvollen in Notodden municipality. The vehicle was used for work at a shooting and training range used by the Norwegian Armed Forces. There were no witnesses to the accident. Personnel who were close by alerted the emergency services and implemented first aid. The driver of the ATV, who was employed by the Norwegian Defence Estates Agency, died in the accident.
The investigation will clarify the sequence of events, identify safety issues and map the contributing factors to the accident. Based on this, the NSIA will assess areas for improving safety.
The ATV involved in the accident at Hengsvann shooting and training range. Photo: NSIA
Latest update: 25.06.2025
Facts
| Location | Hengsvann shooting and training range |
| Occurrence date | 20.05.2025 |
| Category of Occurrence | Accident |
| Defence branch | Forsvarsbygg |
| Incident type | Sammenstøt, påkjørsel, velt |
| County | Telemark |