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FAA Aircraft Registry · Live Lookup · As of Apr 28, 2026

N12SX — Sonex Ltd/monnett John T JR SONEX

Rendered live from the FAA Aircraft Registry (refreshed weekly). This tail has no NTSB events or airworthiness directives indexed against it — type-level history is on the type page below.

Registration

Registrant

EAA AVIATION FOUNDATION INC

Registrant Type

Corporation

Location

OSHKOSH, WI

Status

Registration Valid

Certificate Issued

Apr 20, 2022

Airworthiness Date

Jun 6, 2002

Registration Expires

Apr 30, 2029

Last Action

Jul 28, 2023

Aircraft

Serial Number

001

Year Manufactured

Aircraft Type

Fixed Wing Single Engine

Certification

Experimental (+1 flag)

Engine

AMA/EXPR UNKNOWN ENG

Engines / Seats

1 / 2

Weight Class

CLASS 1

Mode S (Hex)

A052FF

Type History

Sonex Ltd/monnett John T JR SONEX type page → — 1 registered · 0 NTSB records · 0 airworthiness directives

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