N21ST is not currently registered. It was last assigned to a Cessna 421B. The FAA cancelled the registration on July 9, 1991. The last status on file was "valid registration".
N21ST is reserved by a private party since July 20, 2025. Reservation type: Fee paid. An expiration notice was issued on May 20, 2027.
Cessna 421B cancelled July 9, 1991
- Serial number
- 421B0963
- Type
- Fixed-wing, multi-engine · Piston (reciprocating)
- Year built
- —
- Last status
- Valid registration
- Certificate issued
- June 18, 1990
- Last FAA action
- July 2, 1990
- Last owner
- St Paul Aviation (Corporation)
St Paul, MN - Airworthiness
- None on file
NTSB accident and incident record under N21ST
Aircraft on the NTSB record: Cessna 421B · serial 421B-0963
AN UNDETERMINED AIRFRAME/COMPONENT/SYSTEM FAILURE/MALFUNCTION, WHICH RESULTED IN A FUEL FED FIRE IN THE LEFT WING.
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