The U.S. aircraft register, updated daily
Deregistered · FAA record as of October 2, 2026
N5539X

N5539X is not currently registered. It was last assigned to an Aero Commander S2R. The FAA cancelled the registration on January 23, 1992. The last status on file was "second attempt to mail the triennial form, no response".

Aero Commander S2R cancelled January 23, 1992

Serial number
1739R
Type
Fixed-wing, single engine · Piston (reciprocating)
Year built
—
Last status
Second attempt to mail the triennial form, no response
Certificate issued
October 7, 1987
Last FAA action
March 23, 1991
Last owner
Kelsey Steve W (Individual)
Rigby, ID
Airworthiness
None on file

NTSB accident and incident record under N5539X

SEA91LA260Accident on April 15, 1991 at Grangeville, ID: fatal, destroyed (1 fatal).

Aircraft on the NTSB record: Aero Commander S-2R · serial 1739

THE IMPROPER DECISION BY THE PILOT TO CONTINUE VFR FLIGHT IN IMC WEATHER CONDITIONS IN MOUNTAINOUS TERRAIN, RESULTING IN PILOT DISORIENTATION AND INADVERTENT FLIGHT INTO A BOX CANYON. FACTORS RELATING TO THE ACCIDENT WERE THE RAIN SHOWERS AND LOW CEILING WEATHER CONDITIONS, AND THE BOX CANYON IN MOUNTAINOUS 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