| Tail Number / N-Number | N3955 |
| Manufacturer | HILLER-DART |
| Model | HJ-1 HORNET |
| Year Built | 1956 |
| Manufacturer's Serial Number | 15 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | AMA/EXPR |
| Engine Model | UNKNOWN ENG |
| Number of Engines | 1 engine |
| Average Cruising Speed | 67 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | CLASSIC ROTORS MUSEUM |
| Street | 2690 MONTECITO RD |
| City | RAMONA |
| State | CA |
| Zip Code | 92065-1611 |
| Region | Western-Pacific |
| County | San Diego County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1995-02-10 |
| Certificate Issue Date | 2006-08-29 |
| Last Action Date | 2022-05-10 |
| Expiration Date | 2028-08-31 |
| Status | Valid Registration |
| Mode S Code | 51114143 |
| Mode S Code Hex | A49863 |