The U.S. aircraft register, updated daily
Deregistered · FAA record as of October 2, 2026
N4139X

N4139X is not currently registered. It was last assigned to an Aero Commander 100 built in 1968. The FAA cancelled the registration on March 16, 2010. The last status on file was "triennial registration form was mailed and has not been returned by the post office".

Aero Commander 100 cancelled March 16, 2010

Serial number
239
Type
Fixed-wing, single engine · Piston (reciprocating)
Year built
1968
Last status
Triennial registration form was mailed and has not been returned by the Post Office
Certificate issued
July 23, 2001
Last FAA action
July 17, 2007
Last owner
Velazquez Edmundo (Individual)
Oviedo, FL
Airworthiness
Standard · Normal

NTSB accident and incident record under N4139X

ERA10FA052Accident on November 8, 2009 at Weston, FL: fatal, substantial damage (1 fatal).

Aircraft on the NTSB record: Aero Commander 100 · serial 239

The flight's descent for undetermined reasons, resulting in the in-flight collision with terrain.

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