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Registered aircraft · FAA record as of September 25, 2026
N111SF

Williams John J WILLIAMS CX4

Valid Oklahoma

N111SF is a Williams John J WILLIAMS CX4, a fixed-wing airplane with one motor with a piston engine, built in 2021. It has 1 seat. It is registered to an individual in Tuttle, Oklahoma. The registration is valid: it was issued on December 7, 2020 and expires on December 31, 2027. It holds an experimental airworthiness certificate for amateur built, dated November 15, 2021.

Aircraft

Maker
Williams John J
Model
WILLIAMS CX4
Serial number
146-X
Type
Fixed-wing, single engine
Power
Piston (reciprocating), 1 motor · Revmaster 2100D · 65 hp
Seats
1
Year built
2021
Transponder code
A03180 (octal 50030600)

Registration

Status
Valid registration
Certificate issued
December 7, 2020
Expires
December 31, 2027
Last FAA action
April 7, 2023
Airworthiness
Experimental · Amateur built · November 15, 2021
FAA region
Southwestern
FAA record id
01329804

Owner as the FAA publishes it

Name
Williams John J
Type
Individual
Address
1028 County Street 2939
Tuttle, OK 73089-3034

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