Piston helicopter

N234SM

1955 Hiller OH-23C

Registered 1 NTSB/FAA record
Built
1955
Serial
55-4101
Class
Piston helicopter
Engines
Franklin 6V4 series
Status
Current as of October 2026
Registered owner
Individual · sign in to see
Based
Sussex, NJ
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Registration record

N234SM on the FAA register

Type
1955 Hiller OH-23C
Serial
55-4101
Engines
Franklin 6V4 series
Registered owner
Individual — the name of an individual registrant is shown to signed-in users. Sign in
Sussex, NJ
Certificate issued
2023-02-02
Airworthiness date
1993-11-12
Registration expires
2030-02-28
Airworthiness class
Standard · normal
Mode S (hex)
A218F8
Mode S (octal)
50414370
Seats (type)
4
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2030-02-28
    Registration expires (renewal due).
  • 2023-02-02
    Certificate of registration issued as N234SM.
  • 1995-12-18
    Accident at N. Myrtle Beach, SC; damage: substantial.
  • 1993-11-12
    Airworthiness date on the current FAA record (standard category (normal)).
  • 1955
    Manufactured (1955).
Overview

About N234SM

N234SM is a 1955 Hiller OH-23C, serial number 55-4101. It is registered to an individual in Sussex, New Jersey. The current certificate of registration was issued on February 2, 2023 and expires on February 28, 2030.

The FAA aircraft reference file describes the type as a piston helicopter, one Franklin 6V4 series engine and 4 seats. Its airworthiness certificate is standard category (normal), dated November 12, 1993.

N234SM has 1 accident/incident record on file (most serious damage: substantial); details are below.

Safety record

Accident & incident history

1995-12-18 Accident · N. Myrtle Beach, SC Damage: Substantial NTSB · ATL96LA023
Reported aircraft: Hiller 12C
Probable cause: The pilot's improper operation of the flight controls during a practice autorotation, and the certified flight instructor's inadequate supervision of the operation

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 New Jersey· 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.