| Tail Number / N-Number | N661FS |
| Manufacturer | SIKORSKY |
| Model | UH-60A |
| Year Built | 1984 |
| Manufacturer's Serial Number | 84-24010 |
| 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) |
| Engine Manufacturer | GE |
| Engine Model | T700-GE-701D |
| Engine Type | Turbo-shaft |
| Number of Engines | 2 engines |
| Horsepower per Engine | 1,994 hp (1,488 kW) |
| Total Horsepower | 3,988 hp (2,975 kW) |
| Type of Registrant | LLC |
| Owner Name | ENDLESS SUMMER AVIATION LLC |
| Street | 619 N 2360 W |
| City | SALT LAKE CITY |
| State | UT |
| Zip Code | 84116-2957 |
| Region | Northwest Mountain |
| County | Salt Lake County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2022-11-29 |
| Certificate Issue Date | 2022-03-03 |
| Last Action Date | 2022-03-03 |
| Expiration Date | 2029-03-31 |
| Status | Valid Registration |
| Mode S Code | 52134176 |
| Mode S Code Hex | A8B87E |