Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N57978.
| Tail Number / N-Number | N57978 |
| Manufacturer | HILLER |
| Model | UH-12L4 |
| Manufacturer's Serial Number | 2530 |
| 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 |
| Average Cruising Speed | 80 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | HELI PARTS INC |
| Street | 2075 W SCRANTON |
| City | PORTERVILLE |
| State | CA |
| Zip Code | 92157 |
| Region | Western-Pacific |
| Certificate Issue Date | 1972-09-28 |
| Last Status | Valid Registration |
| Cancellation Date | 1980-09-29 |
| Mode S Code | 51671506 |
| Mode S Code Hex | A77346 |