| Tail Number / N-Number | N173SJ |
| Manufacturer | HILLER |
| Model | UH-12E |
| Year Built | 1981 |
| Manufacturer's Serial Number | 5170 |
| 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 | LLC |
| Owner Name | ANTHONY GHIDOSSI CHEMICAL LLC |
| Street | PO BOX 875 |
| City | MARYSVILLE |
| State | WA |
| Zip Code | 98270-0875 |
| Region | Northwest Mountain |
| County | Snohomish County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Restricted |
| Airworthiness Date | 1995-01-30 |
| Certificate Issue Date | 2021-01-04 |
| Last Action Date | 2021-01-04 |
| Expiration Date | 2028-01-31 |
| Status | Valid Registration |
| Mode S Code | 50222753 |
| Mode S Code Hex | A125EB |