| Tail Number / N-Number | N7644S |
| Manufacturer | SIKORSKY |
| Model | S-76B |
| Manufacturer's Serial Number | 760314 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 14 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | P&W |
| Engine Model | PT6 SERIES |
| Engine Type | Turbo-shaft |
| Number of Engines | 2 engines |
| Horsepower per Engine | 500 hp (373 kW) |
| Total Horsepower | 1,000 hp (746 kW) |
| Type of Registrant | LLC |
| Owner Name | LONESTAR AIR III LLC |
| Street | 6900 DALLAS PKWY STE 625 |
| City | PLANO |
| State | TX |
| Zip Code | 75024-7144 |
| Region | Southwestern |
| County | Collin County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1985-12-23 |
| Certificate Issue Date | 2020-11-05 |
| Last Action Date | 2020-11-05 |
| Expiration Date | 2027-11-30 |
| Status | Valid Registration |
| Mode S Code | 52451531 |
| Mode S Code Hex | AA5359 |