Cessna 421B
N421SE is a Cessna 421B, a fixed-wing airplane with more than one motor with a piston engine, built in 1973. It has 8 seats. It is registered to Quonset Aviation LLC, an LLC in North Kingstown, Rhode Island. The registration is valid: it was issued on April 10, 2014 and expires on April 30, 2030. It holds a standard airworthiness certificate for normal, dated April 23, 1973.
Aircraft
- Maker
- Cessna
- Model
- 421B · all 421Bs and related versions
- Serial number
- 421B0393
- Type
- Fixed-wing, multi-engine
- Power
- Piston (reciprocating), 2 motors · Cont Motor GTSIO-520-C · 340 hp
- Seats
- 8
- Year built
- 1973
- Cruising speed
- 172 mph
- Transponder code
- A500EB (octal 51200353)
Registration
- Status
- Valid registration
- Certificate issued
- April 10, 2014
- Expires
- April 30, 2030
- Last FAA action
- October 20, 2023
- Airworthiness
- Standard · Normal · April 23, 1973
- FAA region
- New England
- FAA record id
- 00520796
Owner as the FAA publishes it
- Name
- Quonset Aviation LLC
- Type
- LLC
- Address
- 315 Commerce Park Rd Unit 2
North Kingstown, RI 02852-8422
Owners can ask the FAA to withhold their name and address from public files. When they do, those fields are blank here as well. How that works.
Documents on file 0
No bills of sale, loans or other documents are indexed against this tail number.
Records check free · 0 to understand · 5 clear
The public federal record on N421SE, read the way a buyer, lender or insurer reads it: FAA registration, prior tail numbers keyed on the serial number, reuse of the tail number, recent registry filings, and the NTSB accident record under this and every earlier registration.
Valid registration to Quonset Aviation LLC, an LLC, certificate issued April 10, 2014, expires April 30, 2030. No fractional interest recorded. [1]
Standard certificate for normal, dated April 23, 1973, consistent with the 1973 manufacture year. [1]
No earlier tail number is recorded against serial 421B0393 for this model in the deregistered file. [2]
No other airframe has carried N421SE according to the deregistered file. [2]
No bills of sale, loans or releases have reached the registry in recent weeks. The index covers only recent filings; older liens are in the records file. [3]
No NTSB investigation records located under N421SE. CLEAR means the query ran and returned nothing, not that nothing ever happened. [4]
These live in the FAA aircraft records file (every document ever filed against the aircraft) and, for larger aircraft, the International Registry. Part of the full report.
AD compliance against the logbooks and flight-activity reconciliation are researched layers of the full report.
- FAA Releasable Aircraft Database, master file, file of October 2, 2026. registry.faa.gov/
- FAA deregistered aircraft file (part of the same download), file of October 2, 2026. registry.faa.gov/
- FAA document index: registry documents received in recent weeks, file of October 2, 2026. registry.faa.gov/
- NTSB aviation accident database (CAROL), records through August 27, 2026. data.ntsb.gov/carol-main-public/basic-search
This automated check reads the public federal record. Nothing here is a legal opinion, an appraisal or a statement about the aircraft's condition; a CLEAR line is a statement about the searched record, not the aircraft.
Source: FAA Civil Aviation Registry, Releasable Aircraft Database, October 2, 2026. See this record on the FAA site · This record as data