The U.S. aircraft register, updated daily
Deregistered · FAA record as of October 2, 2026
N6664Q

N6664Q is not currently registered. It was last assigned to a Grumman Acft Eng Cor-Schweizer G-164B. The FAA cancelled the registration on December 21, 1984. The last status on file was "valid registration".

Grumman Acft Eng Cor-Schweizer G-164B cancelled December 21, 1984

Serial number
1698
Type
Fixed-wing, single engine · Piston (reciprocating)
Year built
—
Last status
Valid registration
Certificate issued
April 5, 1977
Last FAA action
—
Last owner
Yancey Robert F (Individual)
Klamath Falls, OR
Airworthiness
None on file

NTSB accident and incident record under N6664Q

SEA83LA167Accident on August 5, 1983 at Klamath Falls, OR: no injuries, destroyed.

Aircraft on the NTSB record: Grumman G-164A · serial 1698

A tail number passes between aircraft over the years; match the serial number on the NTSB record against the airframe above. Source: NTSB aviation accident database, records through September 30, 2026.

Source: FAA Civil Aviation Registry, Releasable Aircraft Database, October 2, 2026. See this number on the FAA site