N12SX - Sonex Ltd/monnett John T JR Sonex Aircraft Registration

SONX

SONEX LTD/MONNETT JOHN T JR SONEX

Aircraft Description

N12SX is a Sonex Ltd/monnett John T Jr SONEX, a single-engine reciprocating (piston) aircraft registered to Eaa Aviation Foundation INC in Oshkosh, WI. This aircraft holds a experimental airworthiness certificate issued by the Federal Aviation Administration on June 6, 2002. The registration certificate was issued on April 20, 2022. The registration is set to expire on April 30, 2029. Powered by a Ama/expr UNKNOWN ENG engine, N12SX is. The aircraft's Mode S transponder code is A052FF (hex), used for ADS-B identification and flight tracking. The FAA registry record for N12SX was last updated on July 28, 2023. AviatorDB monitors aircraft positions through ADS-B surveillance data and updates records as new position data is received.

The Sonex is a popular homebuilt sport aircraft that democratized all-metal kit construction for amateur builders worldwide. First flown on February 28, 1998, it is a low-wing, two-seat monoplane powered by engines ranging from 80 to 130 horsepower. With a maximum speed of 170 mph and construction time of 800 to 1,000 hours, the aircraft can be completed for as little as $25,600. Manufactured by Sonex Aircraft of Oshkosh, Wisconsin, over 1,600 kits have been delivered since introduction. AviatorDB tracks 1 Sonex Ltd/monnett John T Jr aircraft currently registered in the FAA database. The ICAO type designator for this aircraft model is SONX.

AviatorDB has found no NTSB accident or incident reports involving N12SX. AviatorDB cross-references all FAA registration data with NTSB accident and incident reports, providing a comprehensive safety overview for every registered aircraft in the United States.

Model Year
Manufacturer
SONEX LTD/MONNETT JOHN T JR
Model
SONEX
Type Aircraft
Fixed Wing Single Engine
ICAO Type Code
SONXSonex
Weight Class
Up to 12,500 lbs
Airworthiness Date
June 6, 2002
Classification
Experimental 2 Category
Type Registration
Corporation
Status
Valid Registration
Cert Issue Date
April 20, 2022

Registered Owner

Name
EAA AVIATION FOUNDATION INC
Address
PO BOX 3086
City
OSHKOSH
State / Zip Code
Wisconsin54903-3086
Country
United States

Powerplant & Avionics

Engine Type
Reciprocating
Number of Engines
1
Engine Manufacturer
AMA/EXPR
Engine Model
UNKNOWN ENG
Mode S Code (Oct)
50051377
Mode S Code (Hex)
A052FF

Additional Details

Registration
N12SX
Serial Number
001
Number of Engines
1
Number of Seats
2
Expiration Date
April 30, 2029
Last Action Date
July 28, 2023
Last Update Date
January 19, 2026
Unique ID
00147021

Data Source

Data provided by the US Federal Aviation Administration. View on FAA.gov

Last updated: 2026-05-01 01:32:20 UTC