| Tail Number / N-Number | N504EF |
| Manufacturer | MCDONNELL DOUGLAS HELICOPTER |
| Model | 369E |
| Manufacturer's Serial Number | 0500E |
| 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) |
| Number of Engines | 1 engine |
| Type of Registrant | Corporation |
| Owner Name | AIRWEST HELICOPTERS INC |
| Street | PO BOX 814 |
| City | REDLANDS |
| State | CA |
| Zip Code | 92373-0261 |
| Region | Western-Pacific |
| County | San Bernardino County |
| Country | US |
| Fractional Ownership | No |
| Certificate Issue Date | 2017-03-07 |
| Last Action Date | 2022-10-17 |
| Expiration Date | 2030-03-31 |
| Status | Valid Registration |
| Mode S Code | 51444466 |
| Mode S Code Hex | A64936 |