| Tail Number / N-Number | N1758C |
| Manufacturer | HILL MERLIN A |
| Model | CHALLENGER II |
| Year Built | 2007 |
| Manufacturer's Serial Number | CH2-1104-2546 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Light Sport |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | ROTAX |
| Engine Model | 503 DCDI |
| Engine Type | 2 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 52 hp (39 kW) |
| Type of Registrant | Individual |
| Owner Name | KAY MICHAEL B |
| Street | 5715 COUNTY ROAD JJ |
| City | GREEN BAY |
| State | WI |
| Zip Code | 54311-9408 |
| Region | Great Lakes |
| County | Brown County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2007-10-16 |
| Certificate Issue Date | 2014-07-29 |
| Last Action Date | 2020-06-11 |
| Expiration Date | 2027-07-31 |
| Status | Valid Registration |
| Mode S Code | 50227463 |
| Mode S Code Hex | A12F33 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N1758C.
| Tail Number / N-Number | N1758C |
| Manufacturer | CESSNA |
| Model | 180 |
| Manufacturer's Serial Number | 30458 |
| Aircraft Type | Fixed wing single engine |
| 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 | 121 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | SPERRY GYROSCOPE CO |
| Street | XXXXX |
| City | GREAT NECK |
| State | NY |
| Zip Code | 11020 |
| Region | Eastern |
| County | Brown County |
| Certificate Issue Date | 1956-03-26 |
| Last Status | Valid Registration |
| Cancellation Date | 1957-07-11 |
| Exported To | CANADA |