Bell 505 HB-ZWF
10 April 2025 · Petersgrat Mountain, Switzerland · Serious injuries
Summary
On 10 April 2025 at about 08:25 local time, a Bell 505 registered HB-ZWF, operated by Mountain Flyers, was involved in an accident near Petersgrat Mountain, Switzerland. 3 people were on board and 2 were seriously injured. The aircraft was destroyed. No probable cause has been published yet; this accident is still under investigation.
The record
- Date
- at 08:25
- Classification
- Accident
- Location
- Petersgrat Mountain, Switzerland
- Nearest airport
- Petersgrat Mountain Landing Si (LSVP)
- Coordinates
- 46.4689, 7.8283
- Aircraft
- Bell 505
- Registration
- HB-ZWF
- Category
- Helicopter
- Operator
- Mountain Flyers
- Operating rule
- Unknown
- Phase of flight
- Not recorded
- Route
- Bern → Petersgrat Mountain Landing Site
- Aircraft damage
- Destroyed
- NTSB number
- ENG25WA033
People
2 people were seriously injured.
| On board | Died | Serious | Minor | Uninjured |
|---|---|---|---|---|
| 3 | 0 | 2 | 0 | 1 |
Probable cause
The NTSB has not published a probable cause for this record. The investigation is still open; a final report usually follows one to two years after the accident.
Nothing about the cause is stated here that is not in the source record.
Other Bell 505 accidents
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 16 May 2024 | Bell 505 | Minsk, Poland | - | Unknown | - |
| 3 Mar 2019 | Bell 505X | Londiani, Kericho, Kenya | - | Fatal | 5 |
| 6 Jun 2019 | Bell 505 | Kazbegi, Georgia | - | Fatal | 3 |
Other accidents in this area
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 28 Oct 2025 | Cirrus SF50 | Oberweningen, Switzerland | - | No injuries | - |
| 28 Jun 2025 | Airbus Helicopters AS350 | Naters, Switzerland | - | Fatal | 1 |
| 23 Jul 2025 | Kaman K-MAX | Siviez, Switzerland | - | No injuries | - |
| 16 Aug 2025 | Aerospool WT9 DYNAMIC LSA | Orbe, Switzerland | - | Fatal | 1 |
| 18 Oct 2025 | Guimbal CABRI | Locarno, Switzerland | Swiss Helicopter AG | No injuries | - |
| 19 Sep 2025 | Piper PA18 | Cham, Switzerland | - | Fatal | 1 |