NTSB Identification: LAX05LA084.
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Accident occurred Thursday, February 03, 2005 in Desert Center, CA
Probable Cause Approval Date: 05/30/2006
Aircraft: Cessna 172M, registration: N472RA
Injuries: 2 Uninjured.

NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

The airplane nosed over during an attempted landing on a dry lake bed. During a cross-country instructional flight, the instructor attempted to demonstrate an off airport, soft field landing on a dry lakebed. The instructor had not previously planned to land on the dry lakebed and had no information as to the condition of the landing surface. The landing surface was softer than the instructor anticipated. During the touchdown, the main landing gear sank into the sand, and the airplane nosed over. The instructor stated that the airplane and engine had no mechanical failures or malfunctions during the flight.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

The instructor's improper decision to land on the dry lakebed without knowing the condition of the landing surface. A factor in the accident was the soft sand surface of the lake bed.

Full narrative available

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