| Tail Number / N-Number | N166AU |
| Manufacturer | SIKORSKY |
| Model | UH-60A |
| Manufacturer's Serial Number | 78-22989 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 15 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Number of Engines | 2 engines |
| Type of Registrant | Corporation |
| Owner Name | UNICAL AVIATION INC |
| Street | 680 S LEMON AVE |
| City | CITY OF INDUSTRY |
| State | CA |
| Zip Code | 91789-2934 |
| Region | Western-Pacific |
| County | Los Angeles County |
| Country | US |
| Fractional Ownership | No |
| Certificate Issue Date | 2021-09-13 |
| Last Action Date | 2021-09-13 |
| Expiration Date | 2028-09-30 |
| Status | Valid Registration |
| Mode S Code | 50204013 |
| Mode S Code Hex | A1080B |