Single-engine piston

N139X

2008 Homebuilt Sonex

Registered No accidents on file
Built
2008
Serial
1066
Class
Single-engine piston
Engines
Jabiru 3300
Status
Current as of October 2026
Registered owner
Individual · sign in to see
Based
Fort Atkinson, WI
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Registration record

N139X on the FAA register

Type
2008 Homebuilt Sonex
Serial
1066
Engines
Jabiru 3300
Registered owner
Individual — the name of an individual registrant is shown to signed-in users. Sign in
Fort Atkinson, WI
Certificate issued
2014-06-25
Airworthiness date
2008-11-06
Registration expires
2027-06-30
Airworthiness class
Experimental · amateur-built
Mode S (hex)
A09EAD
Mode S (octal)
50117255
Seats (type)
2
Weight class
up to 12,499 lb
Kit
Sonex Aircraft Llc SONEX
Status
Current as of October 2026
Registry history

Timeline

  • 2027-06-30
    Registration expires (renewal due).
  • 2014-06-25
    Certificate of registration issued as N139X.
  • 2008-11-06
    Airworthiness date on the current FAA record (experimental category (amateur-built)).
Overview

About N139X

N139X is a 2008 Homebuilt Sonex, serial number 1066. It is registered to an individual in Fort Atkinson, Wisconsin. The current certificate of registration was issued on June 25, 2014 and expires on June 30, 2027.

The FAA aircraft reference file describes the type as a single-engine piston, one Jabiru 3300 engine and 2 seats. Its airworthiness certificate is experimental category (amateur-built), dated November 6, 2008.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N139X.

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N139X.

Sources: NTSB aviation accident database and CAROL case system, FAA preliminary accident & incident notices. Search accident records

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Browse: Aircraft registered in Wisconsin· Registry by state· FAA registry stats

Data: FAA Aircraft Registry (October 2026), including deregistered aircraft; NTSB and FAA accident data; fyiAero listing history. Individual owners' names are shown to signed-in users and street addresses are never shown. Type figures are published specifications, not this aircraft's.