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Registered aircraft · FAA record as of September 25, 2026
N857SX

Acheson Sean M SONEX

Valid Wisconsin

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.

Source: FAA Civil Aviation Registry, Releasable Aircraft Database, September 25, 2026. See this record on the FAA site · This record as data