- Date
- April 10, 2025, 08:25 local (08:25 UTC)
- Place
- Petersgrat Mountain, Switzerland · Petersgrat Mountain Landing Site (LSVP)
- Injuries
- 2 serious, 1 uninjured
- Damage
- Destroyed
- Phase of flight
- Landing
- Aircraft
- HB-ZWFBell 505
- Defining event
- Landing: Roll over
- Investigation class
- Class 5 - No publish
- NTSB office
- Aviation Engineering Division
- Lead agency
- Other
- Parties
- STSB
- Case key
- 200105
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.
On this page
Sequence of events
The events NTSB coded, in order, by phase of flight. The defining event is the one that best describes the accident.
Aircraft
- Registration
- HB-ZWF
- Reported as
- Bell 505
- Category
- Helicopter
- Serial number
- 65299
- Damage
- Destroyed
- Operator
- Mountain Flyers
- Registered owner
- Centaurium Aviation AG
- Departed
- LSZB · Bern, OF
- Destination
- LSVP · Petersgrat Mountain Landing Site, OF
- Airport
- LSVP · Petersgrat Mountain Landing Site
- Equipment
- Electronic primary flight display