Casualties unknown

Aircraft Observed Maneuvering Before Terrain Impact (N5465L)

Hammond, OR, US

On June 16, 1984, a Grumman American AA-5 (registration N5465L) was involved in an aviation accident near Hammond, 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

Witnesses observed an aircraft making turns and descending nose-down before colliding with terrain. Investigation found no mechanical issues and negative toxicology results.

Accident Sequence

According to witness reports, the aircraft was first seen making a turn to the north, followed by a turn to the south. Subsequently, it assumed a nose-down attitude and descended until it disappeared from view. The aircraft then collided with terrain.

Investigation Findings

An investigation into the accident revealed no apparent malfunction with either the aircraft or its engines. Toxicological tests conducted on the pilot returned negative results.

Witness Accounts

Several witnesses reported that the pilot had on occasion performed aerobatics with the aircraft.

Frequently asked questions

What happened in the 16 Jun 1984 Grumman American AA-5 accident near Hammond, OR?

Witnesses observed an aircraft making turns and descending nose-down before colliding with terrain. Investigation found no mechanical issues and negative toxicology results.

What aircraft was involved and where did it happen?

The accident on 16 Jun 1984 involved a Grumman American AA-5, registration N5465L, at Hammond, OR.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001214X40127. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.