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Registered aircraft · FAA record as of September 25, 2026
N478SX

Olson Harold D SONEX

Valid Wisconsin

N478SX is an Olson Harold D SONEX, a fixed-wing airplane with one motor with a piston engine, built in 2004. It has 2 seats. It is registered to an individual in Lake Mills, Wisconsin. The registration is valid: it was issued on February 7, 2025 and expires on February 29, 2032. It holds an experimental airworthiness certificate for amateur built, dated July 7, 2004.

Aircraft

Maker
Olson Harold D
Model
SONEX
Serial number
478SX
Type
Fixed-wing, single engine
Power
Piston (reciprocating), 1 motor
Seats
2
Year built
2004
Kit
SONEX LTD SONEX
Transponder code
A5E078 (octal 51360170)

Registration

Status
Valid registration
Certificate issued
February 7, 2025
Expires
February 29, 2032
Last FAA action
February 7, 2025
Airworthiness
Experimental · Amateur built · July 7, 2004
FAA region
Great Lakes
FAA record id
00093949

Owner as the FAA publishes it

Name
Hardy Trav D
Type
Individual
Address
154 Phillips Ln
Lake Mills, WI 53551-1511

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