| Tail Number / N-Number | N73998 |
| Manufacturer | BELL |
| Model | 47G-3B-1 |
| Year Built | 1964 |
| Manufacturer's Serial Number | 2902 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 3 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 78 miles per hour |
| Type of Registrant | LLC |
| Owner Name | HELI-WORKS FLIGHT SERVICES LLC |
| Street | 1620 W PETERSON AVE |
| City | DEER LODGE |
| State | MT |
| Zip Code | 59722-2002 |
| Region | Northwest Mountain |
| County | Powell County |
| Country | US |
| Fractional Ownership | No |
| Certificate Issue Date | 2015-10-23 |
| Last Action Date | 2021-05-20 |
| Expiration Date | 2028-10-31 |
| Status | Valid Registration |
| Mode S Code | 52370056 |
| Mode S Code Hex | A9F02E |