3 fatalities

Aircraft accident at Zurich-Kloten Airport (HB-OKO)

Zurich-Kloten, SwitzerlandLanding (descent or approach)

On March 13, 1957, a De Havilland DH.85 Leopard Moth (registration HB-OKO) operated by Aéro-Club de Suisse (AéCS) was involved in an aviation accident near Zurich-Kloten, Switzerland during landing or approach. 3 people were killed. This summary draws on records from the Bureau of Aircraft Accidents Archives (B3A); 5 related events involving the same aircraft type or operator are linked below.

Sourcesthe Bureau of Aircraft Accidents Archives (B3A)Primary reportUpdated 2026-06-12Data APIEditorial standards

A fatal aviation accident occurred during the landing phase at Zurich-Kloten Airport, resulting in the loss of all three people on board.

What happened

An aviation accident took place at Zurich-Kloten Airport involving an aircraft that crashed while attempting to land. The sequence of events concluded with the destruction of the aircraft upon impact with the ground.

There were a total of three fatalities resulting from the crash, which included all individuals on board the aircraft at the time of the accident.

Findings

The investigation into the event confirmed that the incident occurred during the landing phase of flight. No further details regarding specific mechanical failures or environmental conditions were provided in the initial report.