Acheson Sean M SONEX
N857SX is an Acheson Sean M SONEX, a fixed-wing airplane with one motor with a piston engine, built in 2016. It has 2 seats. It is registered to an individual in Delavan, Wisconsin. The registration is valid: it was issued on April 5, 2016 and expires on April 30, 2029. It holds an experimental airworthiness certificate for amateur built, dated April 22, 2016.
Aircraft
- Maker
- Acheson Sean M
- Model
- SONEX
- Serial number
- 857
- Type
- Fixed-wing, single engine
- Power
- Piston (reciprocating), 1 motor
- Seats
- 2
- Year built
- 2016
- Kit
- SONEX LTD SONEX
- Transponder code
- ABC2FF (octal 52741377)
Registration
- Status
- Valid registration
- Certificate issued
- April 5, 2016
- Expires
- April 30, 2029
- Last FAA action
- July 28, 2023
- Airworthiness
- Experimental · Amateur built · April 22, 2016
- FAA region
- Great Lakes
- FAA record id
- 01033939
Owner as the FAA publishes it
- Name
- Acheson Sean M
- Type
- Individual
- Address
- N5222 Delaney Rd
Delavan, WI 53115-2774
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 N857SX, 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 Acheson Sean M, an individual, certificate issued April 5, 2016, expires April 30, 2029. No fractional interest recorded. [1]
Experimental certificate for amateur built, dated April 22, 2016, consistent with the 2016 manufacture year. [1]
No earlier tail number is recorded against serial 857 for this model in the deregistered file. [2]
No other airframe has carried N857SX 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 N857SX. 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