5 fatalities

1990-11-30: Rockwell Grand Commander 690 (N400N) — Aero Air - USA — Ryderwood, United States of America

Ryderwood, United States of AmericaLanding (descent or approach)

On November 30, 1990, a Rockwell Grand Commander 690 (registration N400N) operated by Aero Air - USA was involved in an aviation accident near Ryderwood, United States of America during landing or approach. 5 people were killed. Investigators recorded the probable cause as: The pilot's improper inflight planning and failure to maintain proper altitude in mountainous terrain at night. This summary draws on records from the Bureau of Aircraft Accidents Archives (B3A).

Sourcesthe Bureau of Aircraft Accidents Archives (B3A)Primary reportUpdated 1781212395Data APIEditorial standards

During a night approach, a pilot canceled the IFR flight plan and descended below radar coverage before crashing in mountainous terrain. The accident was attributed to improper inflight planning and failure to maintain altitude.

Accident Overview

On the night of the accident, a Canadian ATP pilot was flying a multi-engine aircraft with four passengers. As the flight approached the destination, the pilot received vectors for a descent over mountainous terrain. During the approach, he canceled the IFR flight plan and the aircraft descended below radar coverage. Subsequently, the aircraft crashed in mountainous terrain, northwest of the destination airport.

Sequence of Events

The impact occurred in a wooded area at an elevation of about 2,700 feet. After initial impact with trees, the main portion of the fuselage traveled about 1,000 feet before coming to rest. No preimpact mechanical problem was found.

Wreckage and Search

The ELT did not activate during the accident. A search was initiated on December 1, 1990, but the aircraft and surviving passenger were not found until the next day. The pilot and the four passengers were fatally injured.

Probable Cause

The official probable cause was the pilot's improper inflight planning and failure to maintain proper altitude in mountainous terrain at night.