Single-engine piston

N1240S

Homebuilt Onex

Registered No accidents on file
Built
—
Serial
0NX0124
Class
Single-engine piston
Engines
1
Status
Current as of October 2026
Registered owner
Co-owned · sign in to see
Based
Ann Arbor, MI
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Registration record

N1240S on the FAA register

Type
Homebuilt Onex
Serial
0NX0124
Engines
1
Registered owner
Co-owned — the name of an individual registrant is shown to signed-in users. Sign in
Ann Arbor, MI
Certificate issued
2017-12-05
Airworthiness date
—
Registration expires
2027-12-31
Airworthiness class
—
Mode S (hex)
A064F7
Mode S (octal)
50062367
Seats (type)
1
Weight class
up to 12,499 lb
Kit
Sonex Aircraft Llc ONEX
Status
Current as of October 2026
Registry history

Timeline

  • 2027-12-31
    Registration expires (renewal due).
  • 2017-12-05
    Certificate of registration issued as N1240S to the current registrant.
  • 2006-11-06
    N1240S previously assigned to a Cessna 172S Skyhawk SP / 172SP Skyhawk SP / 172 Skyhawk (s/n 172S10305); cancelled.
  • 1989-03-02
    N1240S previously assigned to a Schweizer SGS 2-33A (s/n 222); cancelled.
Overview

About N1240S

N1240S is a Homebuilt Onex, serial number 0NX0124. It is registered to co-owners in Ann Arbor, Michigan. The current certificate of registration was issued on December 5, 2017 and expires on December 31, 2027.

The FAA aircraft reference file describes the type as a single-engine piston and 1 seats.

No NTSB accident or incident reports and no FAA preliminary notices are on file for this airframe as N1240S. 1 earlier record involves a different aircraft that carried the same N-number.

Safety record

Accident & incident history

1988-06-05 Accident · Erwinna, PA Damage: Substantial NTSB · NYC88LA159
Reported aircraft: Schweizer SGS-2-33 — a different aircraft that carried the N1240S registration before this airframe.
Probable cause: ACCIDENT WAS A LOSS OF DIRECTIONAL CONTROL DURING LANDING WHICH FOLLOWED A HARD LANDING. CONTRIBUTING WAS THE IMPROPER USE OF SPOILER CONTROL BY THE PRIVATE PILOT AND THE FAILURE OF THE FLIGHT INSTRUCTOR TO ADEQUATELY SUPERVISE THE ACTIONS OF THE PRIVATE PILOT.

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 Michigan· 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.