The U.S. aircraft register, updated daily
Deregistered · FAA record as of October 2, 2026
N4621N

N4621N is not currently registered. It was last assigned to a Beech C18S built in 1943. The FAA cancelled the registration on June 30, 1958 when the aircraft was exported to Canada. The last status on file was "valid registration". The number has been on and off the register 2 times.

Beech C18S cancelled June 30, 1958

Serial number
452
Type
Fixed-wing, multi-engine · Piston (reciprocating)
Year built
1943
Last status
Valid registration
Exported to
Canada
Certificate issued
January 10, 1958
Last FAA action
—
Last owner
Wisconsin Steel Treating And Blasting CO (Corporation)
Milwaukee, WI
Airworthiness
None on file

Dodge Jerome N B-8M cancelled date not given

Serial number
43146739
Type
Rotorcraft · 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 N4621N

SEA86FYE01Accident on September 23, 1986 at Deer Park, WA: fatal, destroyed (1 fatal).

Aircraft on the NTSB record: Jerome Dodge B-8-M · serial 43146739

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