Casualties unknown

1998-12-28: Piper PA-28R-180 (N4591J) — Randolph, NH

Randolph, NH, US

On December 28, 1998, a Piper PA-28R-180 (registration N4591J) was involved in an aviation accident near Randolph, NH. Investigators recorded the probable cause as: The pilot's continued VFR flight into instrument meteorological conditions which led to spatial disorientation and loss of aircraft control. Also causal was the pilot exceeded the design limits of the aircraft which resulted in an in-flight separation. 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 non-instrument rated pilot departed at night over mountainous terrain. The aircraft was found the next day on Mt. Randolph with in-flight separation. The pilot had reported haze at 7,500 feet.

Incident Overview

A non-instrument rated pilot departed on a flight at night over mountainous terrain. The airplane failed to arrive at its destination, prompting a search. The wreckage was located the following day on Mt. Randolph, approximately 2,000 feet southeast of the peak and 500 feet below it. The airplane sustained an in-flight separation.

Weather and Communications

According to Flight Service records, the pilot obtained a telephone weather briefing forecasting scattered clouds at 5,000 feet and scattered to broken clouds at 10,000 feet through early morning. The last radio contact with the airplane occurred when the pilot reported encountering haze at 7,500 feet. A satellite infrared image indicated overcast clouds across New Hampshire near the time of the accident.

Wreckage Examination

Examination of the wreckage revealed that all fracture surfaces were consistent with overload.

Witness Observations

A witness described the airport as a 'black hole,' surrounded by mountainous terrain with few ground lights for reference.

Pilot Experience

In the last seven years, the pilot logged 0.4 hours of simulated instrument time and 4.7 hours of night flying time.

Reference to Illusions

According to the Instrument Flying Handbook, illusions in flight can be created by motion and certain visual scenes. Illusions may lead the pilot to maneuver the aircraft into a dangerous attitude.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001211X11620. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.