Casualties unknown

Aircraft Collides with Vertical Rock Face in Mountainous Terrain During Night Instrument Training Flight (N51698)

Brinnon, WA, US

On September 21, 1985, a Cessna 172PII (registration N51698) operated by Ronald Hawks was involved in an aviation accident near Brinnon, WA. 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 2026-07-04Data APIEditorial standards

An aircraft on a night VFR instrument instruction flight collided with a vertical rock face in mountainous terrain 31 miles west of departure, 32 minutes after takeoff. The crash site was at 3700 feet elevation; the aircraft was destroyed.

Accident Overview

An aircraft operating a night VFR instrument instruction flight collided with a vertical rock face in mountainous terrain approximately 31 miles west of its point of departure. The accident occurred 32 minutes after takeoff. The aircraft was destroyed by impact forces and a post-impact fire, with only the outer wing panels and empennage remaining intact. A mountain rescue team reported that the on-site condition of the wreckage indicated the collision occurred with the aircraft in level cruise flight.

Flight History

Radar track data shows that after departure, the aircraft proceeded northwest for 14 minutes, then reversed course and flew for 4 minutes, after which it headed due west into mountainous terrain. The crash site elevation was 3700 feet. The aircraft was not equipped with DME (Distance Measuring Equipment), and an instrument training hood was found on board.

Weather Conditions

Weather reports for the area indicated cloud bases between 3000 and 4000 feet above sea level, with visibility of 8 miles. Scattered rain showers and haze were present in the area.

Wreckage Examination

Examination of the wreckage by the mountain rescue team revealed that the aircraft struck a vertical rock face. The impact forces and subsequent fire destroyed the aircraft, leaving only the outer wing panels and empennage recognizable.

Frequently asked questions

What happened in the 21 Sept 1985 Cessna 172PII accident near Brinnon, WA?

An aircraft on a night VFR instrument instruction flight collided with a vertical rock face in mountainous terrain 31 miles west of departure, 32 minutes after takeoff. The crash site was at 3700 feet elevation; the aircraft was destroyed.

What aircraft was involved and where did it happen?

The accident on 21 Sept 1985 involved a Cessna 172PII, registration N51698, operated by Ronald Hawks, at Brinnon, WA.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001214X37922. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.