The U.S. aircraft register, updated daily
Deregistered · FAA record as of October 2, 2026
N365SX

N365SX is not currently registered. It was last assigned to a Hein Richard A SONEX built in 2007. The FAA cancelled the registration on April 9, 2010. The last status on file was "triennial registration form was mailed and has not been returned by the post office".

Hein Richard A SONEX cancelled April 9, 2010

Serial number
365
Type
Fixed-wing, single engine · Four-cycle piston
Year built
2007
Last status
Triennial registration form was mailed and has not been returned by the Post Office
Certificate issued
February 12, 2007
Last FAA action
February 16, 2010
Last owner
Hein Richard A (Individual)
Fullerton, CA
Airworthiness
Experimental · Amateur built

NTSB accident and incident record under N365SX

SEA08LA054Accident on December 28, 2007 at Murrieta, CA: serious injuries, substantial damage.

Aircraft on the NTSB record: Hein Sonex · serial 365

The loss of engine power due to fuel exhaustion. Contributing to the accident was the lack of suitable terrain for the forced landing.

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