Casualties unknown

Aircraft Porpoises During Landing, Subsequently Impacts Ground After Steep Banking Turn (N734PX)

Rochester, NH, US

On October 27, 1985, a Cessna 172N (registration N734PX) operated by U OF N.h. Flying Club was involved in an aviation accident near Rochester, NH. 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 landing approach to runway 32, an aircraft porpoised over the runway, then initiated a slow climbing right turn with bank steepening to 45-60 degrees before descending and impacting the ground. Investigation found no malfunction or pilot impairment.

Incident Overview

During a landing approach to runway 32, the aircraft began to porpoise over the runway surface. This motion continued until the aircraft neared the end of the runway. At that point, the aircraft began a slow climbing right turn, just clearing nearby trees. The right bank attitude steepened to between 45 and 60 degrees before the aircraft descended and impacted the ground.

Environmental Conditions

Wind conditions at the time were reported as variable from 260 to 310 degrees at 10 knots, gusting to 15 knots. No other weather information or time of day was specified.

Aircraft Examination

Post-accident examination of the aircraft did not disclose any evidence of mechanical malfunction. The flaps were found in the up position. Additionally, there was no evidence of pilot impairment or incapacitation.

Investigation Findings

The investigation did not identify any causal factors. The probable cause was not stated in the official report. No analysis or conclusions regarding the pilot's actions or environmental factors were provided beyond the factual description of the events.

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Frequently asked questions

What happened in the 27 Oct 1985 Cessna 172N accident near Rochester, NH?

During landing approach to runway 32, an aircraft porpoised over the runway, then initiated a slow climbing right turn with bank steepening to 45-60 degrees before descending and impacting the ground. Investigation found no malfunction or pilot impairment.

What aircraft was involved and where did it happen?

The accident on 27 Oct 1985 involved a Cessna 172N, registration N734PX, operated by U OF N.h. Flying Club, at Rochester, NH.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001214X38124. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.