| Tail Number / N-Number | N7173S |
| Manufacturer | HILLER |
| Model | UH-12E |
| Year Built | 1965 |
| Manufacturer's Serial Number | 2351 |
| 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-C20 SER |
| Engine Type | Turbo-prop |
| Number of Engines | 1 engine |
| Horsepower | 420 hp (313 kW) |
| Average Cruising Speed | 72 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | CRAIG HELICOPTERS INC |
| Street | PO BOX 1212 |
| City | CRAIG |
| State | CO |
| Zip Code | 81626-1212 |
| Region | Northwest Mountain |
| County | Moffat County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1990-12-10 |
| Certificate Issue Date | 1998-08-29 |
| Last Action Date | 2020-11-20 |
| Expiration Date | 2028-03-31 |
| Status | Valid Registration |
| Mode S Code | 52314340 |
| Mode S Code Hex | A998E0 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N7173S.
| Tail Number / N-Number | N7173S |
| Manufacturer | CESSNA |
| Model | 150H |
| Year Built | 1967 |
| Manufacturer's Serial Number | 15067873 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 90 miles per hour |
| Type of Registrant | Individual |
| Owner Name | GREENWOOD MICHAEL K |
| Street | 7110 WOODLEY LN |
| City | FALLS CHURCH |
| State | VA |
| Zip Code | 22042 |
| Region | Eastern |
| County | Moffat County |
| Certificate Issue Date | 1968-02-06 |
| Last Status | Valid Registration |
| Cancellation Date | 1970-04-23 |