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Cargo Aircraft Crash at Ryans Creek Aerodrome (ZK-IAS)

Ryans Creek (Stewart Island), New ZealandLanding (descent or approach)

On October 27, 1980, a Britten-Norman Islander (registration ZK-IAS) operated by Stewart Island Air Services was involved in an aviation accident near Ryans Creek (Stewart Island), New Zealand during landing or approach. No fatalities were reported. Investigators recorded the probable cause as: Loss of control on final approach after the airplane encountered windshear and turbulences. This summary draws on records from the Bureau of Aircraft Accidents Archives (B3A).

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

A twin-engine cargo aircraft crashed short of the runway at Ryans Creek Aerodrome during final approach from Invercargill. The sole pilot was injured, and the aircraft was written off.

Incident Overview and Outcome During a cargo flight from Invercargill, a twin-engine aircraft made a final approach to Ryans Creek Aerodrome. The aircraft lost altitude and crashed short of the runway. The pilot, who was the sole person on board, sustained injuries in the crash. The aircraft was subsequently written off due to the extent of the damage. ## Official Findings The official investigation determined that the probable cause of the accident was a loss of control on final approach. This loss of control occurred after the aircraft encountered windshear and turbulence during its descent.

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