| Tail Number / N-Number | N40290 |
| Manufacturer | HILLER |
| Model | UH-12E |
| Year Built | 1980 |
| Manufacturer's Serial Number | HA3081 |
| 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 | ALLISON |
| Engine Model | 250 SERIES |
| Engine Type | Turbo-prop |
| Number of Engines | 1 engine |
| Horsepower | 300 hp (224 kW) |
| Average Cruising Speed | 72 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | HADDOCK FLYING SERVICE INC |
| Street | 1111 GOURDIN RD |
| City | SALTERS |
| State | SC |
| Zip Code | 29590-3576 |
| Region | Southern |
| County | Williamsburg County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1980-10-03 |
| Certificate Issue Date | 2013-07-26 |
| Last Action Date | 2022-03-15 |
| Expiration Date | 2029-07-31 |
| Status | Valid Registration |
| Mode S Code | 51133673 |
| Mode S Code Hex | A4B7BB |