No fatalities

5 Sep 2011: PIPER PA-12 — FINN LUNOE — Anchorage, AK

Anchorage, AK, United States

On 5 Sep 2011, a PIPER PA-12 operated by FINN LUNOE was involved in an aviation accident near Anchorage, AK. No fatalities were reported. Investigators recorded the probable cause as: The pilot's misidentification of the runway environment in dusk light conditions. This summary draws on records from NTSB; 12 related events involving the same aircraft type or operator are linked below.

SourcesNTSBPrimary reportUpdated 1778583330Data APIEditorial standards

A pilot inadvertently touched down on a grass-covered drainage ditch at dusk, mistaking it for a gravel runway, and collided with a culvert during the landing roll, causing substantial damage.

Accident Overview

A pilot landing at an unlighted, gravel runway at dusk inadvertently touched down on a grass-covered drainage ditch located to the right of the gravel runway. During the subsequent landing roll, the airplane collided with a drainage culvert, sustaining substantial damage to the right wing and fuselage.

Pilot Statement

In his written statement to the National Transportation Safety Board (NTSB), the pilot reported that he was unable to discern the difference between the gravel runway and the grass-covered terrain due to the low-light conditions. He mistakenly selected the grass-covered ditch for landing. The pilot also indicated that there were no mechanical anomalies with the airplane.

Aircraft Damage

The collision with the drainage culvert resulted in substantial damage to the right wing and fuselage. No further details regarding the extent of damage were provided.

Contributing Factors

No official probable cause has been determined, but the pilot cited low-light conditions and the similarity in appearance between the gravel runway and surrounding grass-covered terrain as factors in the accident.

Contributing factors

Causes

Pilot

Other contributing factors

Contributed to outcome