Casualties unknown

2024-04-02: EUROCOPTER AS 350 B3 (HB-ZCZ) — Petit Combin (LSYP), Val de Bagnes, VS, CH

Petit Combin (LSYP), Val de Bagnes, VS, CH

On April 2, 2024, an EUROCOPTER AS 350 B3 (registration HB-ZCZ) was involved in an aviation accident near Petit Combin (LSYP), Val de Bagnes, VS, CH. This summary draws on records from the Swiss Transportation Safety Investigation Board (STSB / SUST).

Sourcesthe Swiss Transportation Safety Investigation Board (STSB / SUST)Primary reportUpdated 1785639345Data APIEditorial standards
Aircraft registered HB-ZCZ
Aircraft registered HB-ZCZ. Photo: KGG1951 / CC BY-SA 3.0, via Wikimedia Commons

An Airbus Helicopters AS350 B3 (HB-ZCZ) operated by Air-Glaciers SA collided with the ground at the Petit Combin mountain landing site on 2 April 2024, resulting in three fatalities and three injuries.

Accident Details

On 2 April 2024 at 09:28 local time, an Airbus Helicopters AS 350 B3, registration HB-ZCZ, crashed at the Petit Combin mountain landing site (LSYP) in the municipality of Val de Bagnes, Canton of Valais, Switzerland. The helicopter was operated and owned by Air-Glaciers SA, based in Sion.

The flight was a commercial operation conducted under Visual Flight Rules (VFR). It departed from the Croix de Coeur mountain landing site (LSYQ) and was destined for Petit Combin. On board were one pilot and five passengers.

Sequence of Events

The helicopter collided with the ground at the mountain landing site. Following the impact, parts of the helicopter slid down the northwest face slope. An avalanche then occurred, which swept away the helicopter cabin and ejected occupants. All six occupants were later located during the rescue operation.

Injuries and Damage

Three occupants sustained fatal injuries: one crew member and two passengers. The other three passengers were seriously injured. The helicopter was destroyed. No third-party injuries or ground damage were reported.

Investigation

The Swiss Safety Investigation Service (SESE) opened an investigation into the accident. This report is a preliminary information notice and does not contain an analysis of the circumstances or a probable cause. Further updates will be provided as the investigation progresses.

Investigation report by the Swiss Transportation Safety Investigation Board (STSB / SUST). Original record: https://www.sust.admin.ch/inhalte/AV-berichte/HB-ZCZ_VB_F.pdf. This page is a structured re-presentation; facts and quotes are in the Swiss Transportation Safety Investigation Board (STSB), Switzerland.