Casualties unknown

Crashed During NDB Approach in Mountainous Terrain (N9484R)

Tillamook, OR, US

On September 10, 1987, a Cessna TR182 (registration N9484R) was involved in an aviation accident near Tillamook, OR. 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 performing an NDB-A approach lost radio contact and radar contact, then crashed in mountainous terrain the next day. No preimpact failure found. Weather was low overcast with rain and fog.

Accident Sequence

The aircraft was cleared for an NDB-A approach and received approval to switch to the local advisory frequency. After that, no further radio communication was established with the aircraft. Radar data indicated that the aircraft crossed over the initial approach fix (IAF) and began a right outbound turn toward the procedure turn area. Radar contact was lost approximately 3 miles west of the IAF. When the aircraft did not arrive at its destination, a search was initiated. The wreckage was located the following day where it had crashed in mountainous terrain at an elevation of about 1100 feet.

Impact and Wreckage

Impact occurred in a steep nose-down, left wing-down attitude. Investigators found no preimpact part failure or malfunction of the aircraft or its engine.

Weather Conditions

Personnel at the airport (elevation 35 feet) estimated weather conditions as about 1000 feet overcast, 5 miles visibility with light rain and fog. A helicopter pilot who was searching for the downed aircraft reported that the mountains and hills in the area were obscured by clouds. He was unable to reach the area of the crash site on the day of the accident due to rain and fog.

Frequently asked questions

What happened in the 10 Sept 1987 Cessna TR182 accident near Tillamook, OR?

An aircraft performing an NDB-A approach lost radio contact and radar contact, then crashed in mountainous terrain the next day. No preimpact failure found. Weather was low overcast with rain and fog.

What aircraft was involved and where did it happen?

The accident on 10 Sept 1987 involved a Cessna TR182, registration N9484R, at Tillamook, OR.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001213X32207. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.