| Tail Number / N-Number | N478X |
| Manufacturer | SIKORSKY |
| Model | S-76C |
| Manufacturer's Serial Number | 760493 |
| 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 | TURBOMECA |
| Engine Model | ARRIEL 1SER |
| Engine Type | Turbo-shaft |
| Number of Engines | 2 engines |
| Horsepower per Engine | 681 hp (508 kW) |
| Total Horsepower | 1,362 hp (1,016 kW) |
| Type of Registrant | Corporation |
| Owner Name | WESTWIND HELICOPTERS INC |
| Street | 8426 FM 2004 RD |
| City | SANTA FE |
| State | TX |
| Zip Code | 77510-8494 |
| Region | Southwestern |
| County | Galveston County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1998-11-03 |
| Certificate Issue Date | 2022-12-05 |
| Last Action Date | 2022-12-05 |
| Expiration Date | 2029-12-31 |
| Status | Valid Registration |
| Mode S Code | 51360337 |
| Mode S Code Hex | A5E0DF |