Accident description
Last updated: 23 August 2018
| Status: | Preliminary |
| Date: | Saturday 4 August 2018 |
| Time: | ca 16:55 |
| Type: |  Junkers Ju-52/3mg4e |
| Operator: | Ju-Air |
| Registration: | HB-HOT |
| C/n / msn: | 6595 |
| First flight: | 1939 |
| Engines: | 3 BMW 132A3 |
| Crew: | Fatalities: 3 / Occupants: 3 |
| Passengers: | Fatalities: 17 / Occupants: 17 |
| Total: | Fatalities: 20 / Occupants: 20 |
| Aircraft damage: | Destroyed |
| Aircraft fate: | Written off (damaged beyond repair) |
| Location: | Piz Segnas ( Switzerland) |
| Crash site elevation: | 2540 m (8333 feet) amsl |
| Phase: | En route (ENR) |
| Nature: | Domestic Non Scheduled Passenger |
| Departure airport: | Locarno Air Base (LSMO), Switzerland |
| Dübendorf Air Base (LSMD), Switzerland |
Narrative:
A Junkers Ju-52/3m aircraft, operated by Ju-Air, was destroyed in an accident in a mountainous area in Switzerland. The aircraft crashed into the western slope of Piz Segnas at an elevation of 2540 m. All 17 passengers and three crew members were killed.
The aircraft had departed Locarno, Switzerland, at 16:10 on a flight to it's home base at Dübendorf.
The aircraft flew on a northeasterly course into the basin southwest of Piz Segnas. Towards the north end of the basin, it began a left turn, which developed into a descending spiral trajectory. A short time later, the aircraft collided with the ground almost vertically and at high speed.
A Junkers Ju-52/3m aircraft, operated by Ju-Air, was destroyed in an accident in a mountainous area in Switzerland. The aircraft crashed into the western slope of Piz Segnas at an elevation of 2540 m. All 17 passengers and three crew members were killed.
The aircraft had departed Locarno, Switzerland, at 16:10 on a flight to it's home base at Dübendorf.
The aircraft flew on a northeasterly course into the basin southwest of Piz Segnas. Towards the north end of the basin, it began a left turn, which developed into a descending spiral trajectory. A short time later, the aircraft collided with the ground almost vertically and at high speed.
Follow-up / safety actions
Operations had been voluntarily suspended after August 4, 2018. The Swiss Federal Office of Civil Aviation (FOCA) allowed operations to be conducted per August 17 since the investigation by the STSB had not yet brought to light any technical problems with the accident aircraft. However, JU-Air first had to comply with the precautionary measures of the FOCA to commence flight operations. First, the FOCA required that, for the time being, a minimum altitude above the legal minimum altitude be maintained. Secondly, JU-Air’s aircraft had to carry a GPS data recorder that records every flight and allows subsequent assessment of the route. Third, the passengers should also remain strapped during the flight and not be able to circulate freely in the aircraft. This also applies to visits to the cockpit during the flight.
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