Guimbal CABRI accident near Locarno, Outside the U.S., October 18, 2025
On October 18, 2025 at about 2:05 pm local time, a 2017 Guimbal CABRI (helicopter), registered HBZYZ, was involved in an accident near Locarno, Outside the U.S. (Locarno Airport). It was an instructional flight under non-U.S. private rules. No one was hurt; 2 people were on board or involved.
The NTSB's probable cause their words, unchanged
The NTSB has not yet published a probable cause for this accident. Investigations usually take one to two years; this page updates when the final report is released.
Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- October 18, 2025 · about 2:05 pm local time
- Place
- Locarno, Switzerland · Locarno Airport · map
- Type
- Accident
- Injuries
- No one was hurt; 2 people were on board or involved.
- Weather
- not recorded
- Aircraft
- Guimbal CABRI G2, built 2017
- Registration
- HBZYZ · no longer on the register · serial 1205
- Damage
- Not recorded
- Flight
- Instructional flight · non-U.S. private rules
The factual record from the NTSB's investigation tables, in plain English
What happened, in order
- Autorotation Loss of engine power (partial) defining event
The aircraft
- Maximum gross weight: 1,543 lb
- Seats: 2
- Landing gear: fixed
- Engine: Lycoming O-360-J2A (piston); 0 hours total
The flight
- Departed from: LSZL Locarno OF
- Destination: LSZL Locarno OF
- A second pilot was aboard
Weather at the time
- Temperature: 0°F (-18°C), dew point 0°F (-18°C)
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Flight crew | 2 |
Documents from the investigation the NTSB's docket: the evidence folder behind the report
The NTSB has not released the docket for this case yet. The docket, the folder of records gathered during an investigation (maintenance records, photographs, witness statements, examinations), is usually released when the investigation is nearly complete, and the list here is refreshed when it appears. Check at the NTSB.
Everything on this page comes from the NTSB's public records. The narrative, probable cause and findings are the NTSB's own words; the coded tables behind the report are written out in plain English, with pilots' ages, home towns and medical details left out. The documents and photographs are the NTSB's docket, shown as the NTSB released them. This site's own text never names anyone involved. A preliminary report can change; the final report usually follows one to two years later, and the page is refreshed when it does.