| Tail Number / N-Number | N234SM |
| Manufacturer | HILLER |
| Model | OH-23C |
| Year Built | 1955 |
| Manufacturer's Serial Number | 55-4101 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | FRANKLIN |
| Engine Model | 6V4 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 210 hp (157 kW) |
| Average Cruising Speed | 63 miles per hour |
| Type of Registrant | Individual |
| Owner Name | ROBERTSON KENNETH W |
| Street | 235 STATELINE DRIVE |
| City | SUSSEX |
| State | NJ |
| Zip Code | 07461-0390 |
| Region | Eastern |
| County | Sussex County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1993-11-12 |
| Certificate Issue Date | 2023-02-02 |
| Last Action Date | 2023-02-02 |
| Expiration Date | 2030-02-28 |
| Status | Valid Registration from a Trainee |
| Mode S Code | 50414370 |
| Mode S Code Hex | A218F8 |