| Tail Number / N-Number | N57688 |
| Manufacturer | BOEING |
| Model | HH-46E |
| Year Built | 1970 |
| Manufacturer's Serial Number | 157688 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 25 seats |
| Weight Class | CLASS 2 (12,500 - 19,999 pounds gross take off weight) |
| Engine Manufacturer | GE |
| Engine Model | T58 SERIES |
| Engine Type | Turbo-shaft |
| Number of Engines | 2 engines |
| Horsepower per Engine | 1,350 hp (1,007 kW) |
| Total Horsepower | 2,700 hp (2,014 kW) |
| Type of Registrant | Corporation |
| Owner Name | CLASSIC ROTORS |
| Street | 2690 MONTECITO RD |
| City | RAMONA |
| State | CA |
| Zip Code | 92065-1611 |
| Region | Western-Pacific |
| County | San Diego County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2020-11-19 |
| Certificate Issue Date | 2016-03-03 |
| Last Action Date | 2021-10-14 |
| Expiration Date | 2029-03-31 |
| Status | Valid Registration |
| Mode S Code | 51664104 |
| Mode S Code Hex | A76844 |