No fatalities

Private Pilot Nosed Over Aircraft During Landing on Soft Terrain (N4685A)

Anchorage, AK, US

On April 27, 2005, a Cessna 180 (registration N4685A) operated by Peter C. Schaab was involved in an aviation accident near Anchorage, AK. No fatalities were reported. Investigators recorded the probable cause as: The pilot's decision to land on a grass-covered off-airport site with soft terrain conditions, which resulted in the main landing gear sinking and the airplane nosing over during the landing roll. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive.

Sourcesthe U.S. National Transportation Safety Board (NTSB) historical archivePrimary reportUpdated 2026-06-21Data APIEditorial standards

A private pilot experienced a nose-over incident while landing on an unprepared grass site, resulting in substantial damage to the airframe after the main gear sank into soft ground.

What happened

The accident occurred when a certificated private pilot attempted to land an aircraft on a grass-covered off-airport site. During the landing roll, the main landing gear encountered unexpectedly soft terrain. The ground conditions caused the nose of the airplane to pitch downward, resulting in a nose-over attitude. This event led to substantial damage to both the wings and the fuselage of the aircraft. The pilot reported that there were no preaccident mechanical problems with the airplane prior to the incident.

The investigation

Investigation of the accident focused on the physical condition of the aircraft following the impact. Examination confirmed substantial damage to the wings and fuselage structure. No evidence of pre-existing mechanical failure was found or reported by the pilot, who stated the airplane had no mechanical issues before the landing attempt.

Findings

The primary factor contributing to the accident was the choice of landing surface. The soft terrain at the off-airport site caused the main landing gear to sink during the landing roll. This loss of ground clearance allowed the nose section to contact the ground, leading to the structural damage observed. The pilot's report confirmed that mechanical reliability was not a factor in the sequence of events.

Probable cause

The pilot's decision to land on a grass-covered off-airport site with soft terrain conditions, which resulted in the main landing gear sinking and the airplane nosing over during the landing roll.

Frequently asked questions

What happened in the 27 Apr 2005 Cessna 180 accident near Anchorage, AK?

A private pilot experienced a nose-over incident while landing on an unprepared grass site, resulting in substantial damage to the airframe after the main gear sank into soft ground.

Were there any fatalities in the 27 Apr 2005 Cessna 180 accident?

No fatalities were recorded in this accident.

What aircraft was involved and where did it happen?

The accident on 27 Apr 2005 involved a Cessna 180, registration N4685A, operated by Peter C. Schaab, at Anchorage, AK.

What was the probable cause of the accident?

The pilot's decision to land on a grass-covered off-airport site with soft terrain conditions, which resulted in the main landing gear sinking and the airplane nosing over during the landing roll.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20050519X00638. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.