Single-engine piston

N531X

2014 Homebuilt Onex

Registered No accidents on file
Built
2014
Serial
ONX0054
Class
Single-engine piston
Engines
Aerovee 2.1
Status
Current as of October 2026
Registered owner
Individual · sign in to see
Based
East Falmouth, MA
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Registration record

N531X on the FAA register

Type
2014 Homebuilt Onex
Serial
ONX0054
Engines
Aerovee 2.1
Registered owner
Individual — the name of an individual registrant is shown to signed-in users. Sign in
East Falmouth, MA
Certificate issued
2014-01-13
Airworthiness date
2014-02-22
Registration expires
2030-01-31
Airworthiness class
Experimental · amateur-built
Mode S (hex)
A6B631
Mode S (octal)
51533061
Seats (type)
1
Weight class
up to 12,499 lb
Kit
Sonex Aircraft Llc ONEX
Status
Current as of October 2026
Registry history

Timeline

  • 2030-01-31
    Registration expires (renewal due).
  • 2014-02-22
    Airworthiness date on the current FAA record (experimental category (amateur-built)).
  • 2014-01-13
    Certificate of registration issued as N531X.
Overview

About N531X

N531X is a 2014 Homebuilt Onex, serial number ONX0054. It is registered to an individual in East Falmouth, Massachusetts. The current certificate of registration was issued on January 13, 2014 and expires on January 31, 2030.

The FAA aircraft reference file describes the type as a single-engine piston, one Aerovee 2.1 engine and 1 seats. Its airworthiness certificate is experimental category (amateur-built), dated February 22, 2014.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N531X.

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N531X.

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 Massachusetts· 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.