| Tail Number / N-Number | N421NC |
| Manufacturer | BELL |
| Model | UH-1H |
| Year Built | 1964 |
| Manufacturer's Serial Number | 64-13544 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 15 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | HONEYWELL |
| Engine Model | T53-L-703 |
| Engine Type | Turbo-shaft |
| Number of Engines | 1 engine |
| Horsepower | 1,500 hp (1,119 kW) |
| Type of Registrant | Government |
| Owner Name | STATE OF NORTH CAROLINA |
| Other Names |
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| Street | 1616 MSC |
| City | RALEIGH |
| State | NC |
| Zip Code | 27699-1616 |
| Region | Eastern |
| County | Wake County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Restricted |
| Airworthiness Date | 2013-09-23 |
| Certificate Issue Date | 2013-12-24 |
| Last Action Date | 2022-07-11 |
| Expiration Date | 2029-12-31 |
| Status | Valid Registration |
| Mode S Code | 51200205 |
| Mode S Code Hex | A50085 |