Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N3978Y.
| Tail Number / N-Number | N3978Y |
| Manufacturer | AEROSPATIALE |
| Model | SA315B |
| Year Built | 1978 |
| Manufacturer's Serial Number | 2520 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 5 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | TURBOMECA |
| Engine Model | ARTOUSTEIIIB |
| Engine Type | Turbo-shaft |
| Number of Engines | 1 engine |
| Horsepower | 858 hp (640 kW) |
| Type of Registrant | Corporation |
| Owner Name | ROBERTS AIRCRAFT COMPANY |
| Street | PO BOX 1 |
| City | GRANITE CANYON |
| State | WY |
| Zip Code | 82059-0001 |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1993-02-25 |
| Certificate Issue Date | 1983-06-27 |
| Last Action Date | 2001-04-25 |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 2002-09-13 |
| Mode S Code | 51120121 |
| Mode S Code Hex | A4A051 |