Casualties unknown

1991-05-11: Enstrom F28 (N86214) — Asteroid Helicopter Corp. — Hampshire, IL

Hampshire, IL, US

On May 11, 1991, an Enstrom F28 (registration N86214) operated by Asteroid Helicopter Corp. was involved in an aviation accident near Hampshire, IL. Investigators recorded the probable cause as: The pilot's inadequate control of the helicopter during a low-altitude maneuver, which resulted in a loss of control and subsequent impact with the terrain. 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 student helicopter pilot lost control while maneuvering to inspect a potential landing area, causing the aircraft to settle and strike terrain with substantial damage.

What happened

The pilot was operating a helicopter for the purpose of identifying and evaluating a suitable location for landing. During this phase of flight, the aircraft was positioned approximately 50 feet above ground level (AGL). While maneuvering to inspect the site, the helicopter began to settle under power. The descent continued until the aircraft struck the terrain, resulting in substantial damage to the airframe.

The investigation

A post-accident examination of the helicopter was conducted to determine the mechanical status of the aircraft. The inspection revealed no evidence of a mechanical malfunction or fuel shortage that would have contributed to the accident. The pilot held a valid rating for fixed-wing aircraft but was currently enrolled as a student pilot for helicopters.

Findings

The primary factor in this incident appears to be related to the pilot's experience level. As a student helicopter pilot, the individual may not have had sufficient proficiency to manage the power and control inputs required during low-altitude maneuvering. The transition from fixed-wing operations to rotary-wing flight involves distinct handling characteristics that require specific training and practice.

Safety message

Pilots transitioning between different categories of aircraft should be aware of the unique handling qualities of each type. Student pilots must ensure they have adequate supervised instruction before attempting complex maneuvers at low altitudes.

Probable cause

The pilot's inadequate control of the helicopter during a low-altitude maneuver, which resulted in a loss of control and subsequent impact with the terrain.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001212X16949. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.