Single-engine piston

N51NX

2021 Homebuilt Onex

Registered No accidents on file
Built
2021
Serial
ONX0203
Class
Single-engine piston
Engines
Aeroconver AEROVEE 2.1
Status
Current as of October 2026
Registered owner
Individual · sign in to see
Based
Springfield, IL
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Registration record

N51NX on the FAA register

Type
2021 Homebuilt Onex
Serial
ONX0203
Engines
Aeroconver AEROVEE 2.1
Registered owner
Individual — the name of an individual registrant is shown to signed-in users. Sign in
Springfield, IL
Certificate issued
2018-10-26
Airworthiness date
2021-11-06
Registration expires
2028-10-31
Airworthiness class
Experimental · amateur-built
Mode S (hex)
A66058
Mode S (octal)
51460130
Seats (type)
1
Weight class
up to 12,499 lb
Kit
Sonex Aircraft Llc ONEX
Status
Current as of October 2026
Registry history

Timeline

  • 2028-10-31
    Registration expires (renewal due).
  • 2021-11-06
    Airworthiness date on the current FAA record (experimental category (amateur-built)).
  • 2018-10-26
    Certificate of registration issued as N51NX.
Overview

About N51NX

N51NX is a 2021 Homebuilt Onex, serial number ONX0203. It is registered to an individual in Springfield, Illinois. The current certificate of registration was issued on October 26, 2018 and expires on October 31, 2028.

The FAA aircraft reference file describes the type as a single-engine piston, one Aeroconver AEROVEE 2.1 engine and 1 seats. Its airworthiness certificate is experimental category (amateur-built), dated November 6, 2021.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N51NX.

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N51NX.

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 Illinois· 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.