Casualties unknown

Engine Power Loss During Touch-and-Go Landing Practice Leads to Runway Excursion and Fence Collision (N4186W)

Hayward, CA, US

On February 16, 1985, a Piper PA-32-300 (registration N4186W) 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; 8 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

While practicing landings, a flight instructor and student experienced an engine power loss during the initial climb of the fourth touch-and-go at approximately 30-40 feet AGL. The instructor took control and attempted to land on the remaining runway, but the aircraft departed the runway end, struck a fence, and came to rest on a golf course. Subsequent examination and engine tests revealed no cause for the power loss.

Accident Details

A flight instructor (CFI) and a student pilot were practicing landings when the engine lost power during the initial climb of the fourth touch-and-go maneuver at an estimated altitude of 30 to 40 feet above ground level (AGL). The CFI assumed control of the aircraft and attempted to land on the remaining runway. However, the aircraft continued off the end of the runway, collided with a fence, and came to rest on an adjacent golf course.

Post-Accident Examination

Following the accident, a detailed examination and engine tests were conducted. No mechanical or other reason could be identified for the loss of engine power. The aircraft sustained damage from the fence collision and the subsequent impact with the terrain.

Flight History

The flight was conducted as an instructional session, with the student practicing takeoffs and landings. The power loss occurred during a critical phase of flight—initial climb—leaving minimal altitude for recovery. The CFI's attempt to land on the remaining runway was unsuccessful due to insufficient runway length remaining.

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Frequently asked questions

What happened in the 16 Feb 1985 Piper PA-32-300 accident near Hayward, CA?

While practicing landings, a flight instructor and student experienced an engine power loss during the initial climb of the fourth touch-and-go at approximately 30-40 feet AGL. The instructor took control and attempted to land on the remaining runway, but the aircraft departed the runway end, struck a fence, and came…

What aircraft was involved and where did it happen?

The accident on 16 Feb 1985 involved a Piper PA-32-300, registration N4186W, at Hayward, CA.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001214X35730. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.