N46951 is not currently registered. It was last assigned to an Interstate S-1B1 built in 1943. The FAA cancelled the registration on May 14, 2010. The last status on file was "triennial registration form was mailed and has not been returned by the post office".
Interstate S-1B1 cancelled May 14, 2010
- Serial number
- 168
- Type
- Fixed-wing, single engine · Piston (reciprocating)
- Year built
- 1943
- Last status
- Triennial registration form was mailed and has not been returned by the Post Office
- Certificate issued
- December 11, 1985
- Last FAA action
- March 16, 2010
- Last owner
- Alamo Liaison Group (Corporation)
San Antonio, TX - Airworthiness
- Standard · Normal
NTSB accident and incident record under N46951
Aircraft on the NTSB record: Interstate S-1B1 · serial 168
THE FAILURE OF THE PILOT OF THE OTHER AIRCRAFT TO MAINTAIN ADEQUATE CLEARANCE DURING FORMATION FLIGHT. A FACTOR WAS THE PILOT'S INADEQUATE PREFLIGHT PLANNING AND PREPARATION REGARDING INFLIGHT FORMATION PROCEDURES.
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