The U.S. aircraft register, updated daily
Deregistered · FAA record as of October 2, 2026
N400SB

N400SB is not currently registered. It was last assigned to a Crower Bruce RV-4. The FAA cancelled the registration on February 13, 2018. The last status on file was "registration expired, pending cancellation". The number has been on and off the register 2 times.

N400SB is reserved by a private party since July 15, 2026. Reservation type: Fee paid. An expiration notice was issued on May 15, 2027.

Crower Bruce RV-4 cancelled February 13, 2018

Serial number
1536
Type
Fixed-wing, single engine · Piston (reciprocating)
Year built
—
Last status
Registration expired, pending cancellation
Certificate issued
August 30, 1995
Last FAA action
June 25, 2012
Last owner
Crower Harry B (Individual)
Jamul, CA
Airworthiness
None on file

Piper PA-24-400 cancelled December 28, 1992

Serial number
26127
Type
Fixed-wing, single engine · Piston (reciprocating)
Year built
—
Last status
Triennial registration form was mailed and has not been returned by the Post Office
Certificate issued
December 14, 1983
Last FAA action
November 25, 1992
Last owner
Harsen Gary L (Individual)
Saratoga, WY
Airworthiness
None on file

NTSB accident and incident record under N400SB

DEN84FA108Accident on March 8, 1984 at Saratoga, WY: fatal, substantial damage (1 fatal).

Aircraft on the NTSB record: Piper PA-24-400 · serial 26-127

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