The U.S. aircraft register, updated daily
Deregistered · FAA record as of October 2, 2026
N6603C

N6603C is not currently registered. It was last assigned to a Bell 412. The FAA cancelled the registration on December 15, 1999 when the aircraft was exported to Mexico. The last status on file was "triennial registration form was mailed and has not been returned by the post office". The number has been on and off the register 3 times.

Bell 412 cancelled December 15, 1999

Serial number
36011
Type
Rotorcraft · Turboshaft
Year built
—
Last status
Triennial registration form was mailed and has not been returned by the Post Office
Exported to
Mexico
Certificate issued
November 14, 1990
Last FAA action
November 16, 1999
Last owner
Bell Helicopter Textron INC (Corporation)
Ft Worth, TX
Airworthiness
None on file

Ryan NAVION A cancelled July 13, 1970

Serial number
NAV4-1772
Type
Fixed-wing, single engine · Piston (reciprocating)
Year built
—
Last status
Valid registration
Certificate issued
March 20, 1958
Last FAA action
—
Last owner
United States Army (Government)
Fort Lewis, WA
Airworthiness
None on file

Cessna 210N cancelled date not given

Serial number
21063927
Type
Fixed-wing, single engine · Piston (reciprocating)
Year built
—
Last status
N-number assigned but not yet registered
Certificate issued
—
Last FAA action
—
Last owner
Withheld
Airworthiness
None on file

NTSB accident and incident record under N6603C

MIA86LA180Accident on June 12, 1986 at Jacksonville, FL: minor injuries, substantial damage.

Aircraft on the NTSB record: Cessna 210N · serial 21063927

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