| Tail Number / N-Number | N58015 |
| Manufacturer | WILLIAM BERNARD |
| Model | BUTTERCUP |
| Manufacturer's Serial Number | 251 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Type of Registrant | Individual |
| Owner Name | BERNARD WILLIAM R |
| Street | 617 CATSKILL DR |
| City | SPRINGFIELD |
| State | IL |
| Zip Code | 62711-6417 |
| Region | Great Lakes |
| County | Sangamon County |
| Country | US |
| Fractional Ownership | No |
| Certificate Issue Date | 2019-05-09 |
| Last Action Date | 2021-12-16 |
| Expiration Date | 2029-05-31 |
| Status | Valid Registration |
| Mode S Code | 51674201 |
| Mode S Code Hex | A77881 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N58015.
| Tail Number / N-Number | N58015 |
| Manufacturer | AEROSPATIALE |
| Model | AS 355F1 |
| Year Built | 1982 |
| Manufacturer's Serial Number | 5202 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 7 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | ALLISON |
| Engine Model | 250-C20 SER |
| Engine Type | Turbo-prop |
| Number of Engines | 2 engines |
| Horsepower per Engine | 420 hp (313 kW) |
| Total Horsepower | 840 hp (627 kW) |
| Type of Registrant | Corporation |
| Owner Name | RTS HELICOPTER SERVICES CORPORATION |
| Street | 123 GRISSOM SUITE 200 |
| City | LAFAYETTE |
| State | LA |
| Zip Code | 70508 |
| County | Sangamon County |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1996-08-01 |
| Certificate Issue Date | 1996-08-01 |
| Last Action Date | 1996-08-01 |
| Last Status | Valid Registration |
| Cancellation Date | 1996-08-12 |
| Exported To | NIGERIA |