Casualties unknown

Engine Power Loss During Simulated Short Field Landing Leads to Fence Strike and Nose-Over (N21551)

Hayward, CA, US

On April 25, 1982, a Cessna 172N (registration N21551) operated by Jack Allen was involved in an aviation accident near Hayward, CA. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive; 1 related events involving the same aircraft type or operator are linked below.

Sourcesthe U.S. National Transportation Safety Board (NTSB) historical archivePrimary reportUpdated 2026-07-04Data APIEditorial standards

During a simulated short field landing, the engine lost power on final approach. Pilots could not restart, and the aircraft struck a fence and nosed over. Conditions were favorable for carburetor ice, but carb heat was reportedly on. No preimpact failure was found.

Event Description

While on final approach for a simulated short field landing, the engine lost power. The pilots attempted to restart the engine but were unable to do so. During the subsequent landing, the aircraft struck a fence and nosed over.

Investigation Findings

At the time of the accident, conditions were favorable for the formation of carburetor ice. However, the instructor reported that the carburetor heat was on. An examination of the aircraft revealed no evidence of preimpact failure or malfunction.

Operational Check

The engine was subsequently started and ran without issue during an operational check, confirming no mechanical problem was present.

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Frequently asked questions

What happened in the 25 Apr 1982 Cessna 172N accident near Hayward, CA?

During a simulated short field landing, the engine lost power on final approach. Pilots could not restart, and the aircraft struck a fence and nosed over. Conditions were favorable for carburetor ice, but carb heat was reportedly on. No preimpact failure was found.

What aircraft was involved and where did it happen?

The accident on 25 Apr 1982 involved a Cessna 172N, registration N21551, operated by Jack Allen, at Hayward, CA.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20020917X02319. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.