Casualties unknown

1983-09-21: Enstrom 280C (N5692L) — Pontiac, MI

Pontiac, MI, US

On September 21, 1983, an Enstrom 280C (registration N5692L) was involved in an aviation accident near Pontiac, MI. 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 1781061362Data APIEditorial standards

A pilot practicing an autorotation during a return from a traffic reporting flight experienced an engine failure, leading to a hard landing and subsequent rollover with main rotor blade ground strike.

Accident Overview

A helicopter pilot returning from a traffic reporting flight decided to practice an autorotation maneuver. According to the pilot's statement, while executing the autorotation, the engine failed. The pilot reported that standard autorotation procedures were initiated, but the helicopter impacted the ground hard during the landing.

Sequence of Events

Following the hard touchdown, the helicopter rolled over, and the main rotor blades struck the ground. An operational check of the engine conducted after the accident revealed that the engine ran properly.

Examination

No information was provided regarding any injuries or damage to the helicopter beyond the rollover and rotor blade contact. The exact aircraft type, registration, and other details were not specified in the source.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001214X44487. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.