No fatalities

Hard Landing During Simulated Engine Failure in Hover, Robinson R44 II, HB-ZJW

Sion Aéroport LSGS, VS, CH

On March 28, 2014, a ROBINSON HELICOPTER COMPANY R44 II (registration HB-ZJW) was involved in an aviation accident near Sion Aéroport LSGS, VS, CH. No fatalities were reported. This summary draws on records from the Swiss Transportation Safety Investigation Board (STSB / SUST).

Sourcesthe Swiss Transportation Safety Investigation Board (STSB / SUST)Primary reportUpdated 2026-10-18Data APIEditorial standards

A Robinson R44 II helicopter sustained landing gear damage after a hard landing during a simulated engine failure in a hover at Sion Airport. Both occupants were uninjured.

Introduction

On 28 March 2014 at approximately 09:30 local time, a Robinson R44 II helicopter, registration HB-ZJW, experienced a hard landing during a flight instruction session at Sion Airport (LSGS). The aircraft was operated by Héli-Alpes SA of Sion.

Aircraft and Crew

The helicopter was a Robinson R44 II, owned and operated by Héli-Alpes SA. The flight crew consisted of a professional pilot instructor and a student pilot, both Swiss citizens. The instructor held a Commercial Pilot License (Helicopter) CPL(H) and had logged 1115 total flight hours, including 298 hours on the R44 type (8:53 hours in the preceding 90 days). The student held a Private Pilot License (Helicopter) PPL(H) and had 108 total flight hours, with 7:43 hours on type (all within the prior 90 days).

Accident Details

The flight was conducted under Visual Flight Rules (VFR) for instruction purposes. During a simulated engine failure maneuver while the helicopter was in a hover, the aircraft landed harder than intended. The nature of the occurrence is described as a hard landing.

Damage

The landing gear of the helicopter was damaged in the incident. No other damage to the aircraft or to third-party property was reported.

Outcome

Both the instructor and the student were uninjured. The Swiss Accident Investigation Service (SESA) issued a summary report based on available statements, noting that the report serves informational purposes only and did not constitute a full investigation.

Frequently asked questions

What happened in the 28 Mar 2014 ROBINSON HELICOPTER COMPANY R44 II accident near Sion Aéroport LSGS, VS, CH?

A Robinson R44 II helicopter sustained landing gear damage after a hard landing during a simulated engine failure in a hover at Sion Airport. Both occupants were uninjured.

Were there any fatalities in the 28 Mar 2014 ROBINSON HELICOPTER COMPANY R44 II accident?

No fatalities were recorded in this accident.

What aircraft was involved and where did it happen?

The accident on 28 Mar 2014 involved a ROBINSON HELICOPTER COMPANY R44 II, registration HB-ZJW, at Sion Aéroport LSGS, VS, CH.

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