The U.S. aircraft register, updated daily
Deregistered · FAA record as of October 2, 2026
N400N

N400N is not currently registered. It was last assigned to an Aero Commander 690A. The FAA cancelled the registration on April 10, 1991. The last status on file was "valid registration". The number has been on and off the register 2 times.

N400N is reserved by a private party since January 25, 2019. Reservation type: Fee paid. An expiration notice was issued on November 25, 2026.

Aero Commander 690A cancelled April 10, 1991

Serial number
11156
Type
Fixed-wing, multi-engine · Turboprop
Year built
—
Last status
Valid registration
Certificate issued
November 13, 1990
Last FAA action
April 10, 1991
Last owner
O Neill And Sons INC (Corporation)
Tumwater, WA
Airworthiness
None on file

Travel Air E-4000 cancelled February 24, 1948

Serial number
1330
Type
Fixed-wing, single engine · Piston (reciprocating)
Year built
1929
Last status
Valid registration
Certificate issued
March 15, 1945
Last FAA action
—
Last owner
General Discount CORP (Corporation)
Atlanta, GA
Airworthiness
None on file

NTSB accident and incident record under N400N

SEA91FA027Accident on December 1, 1990 at Ryderwood, WA: fatal, destroyed (5 fatal).

Aircraft on the NTSB record: Aero Commander 690A · serial 11156

THE PILOT'S IMPROPER INFLIGHT PLANNING AND FAILURE TO MAINTAIN PROPER ALTITUDE IN MOUNTAINOUS TERRAIN AT NIGHT.

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