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Registered aircraft · FAA record as of September 25, 2026
N4BS

Sidlinger PITTS S-1

Valid Wisconsin

N4BS is a Sidlinger PITTS S-1, a fixed-wing airplane with one motor with a piston engine, built in 1976. It has 1 seat. It is registered to an individual in Three Lakes, Wisconsin. The registration is valid: it was issued on August 10, 2015 and expires on August 31, 2028. It holds an experimental airworthiness certificate for amateur built, dated June 11, 1979.

Aircraft

Maker
Sidlinger
Model
PITTS S-1
Serial number
1
Type
Fixed-wing, single engine
Power
Piston (reciprocating), 1 motor · Lycoming I0360 SER · 180 hp
Seats
1
Year built
1976
Cruising speed
108 mph
Transponder code
A4A819 (octal 51124031)

Registration

Status
Valid registration
Certificate issued
August 10, 2015
Expires
August 31, 2028
Last FAA action
June 3, 2023
Airworthiness
Experimental · Amateur built · June 11, 1979
FAA region
Great Lakes
FAA record id
00880884

Owner as the FAA publishes it

Name
Westfall Brent J
Type
Individual
Address
825 Leatzow Rd
Three Lakes, WI 54562-9753

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