| Tail Number / N-Number | N3861Z |
| Manufacturer | GREGO C/GREGO H |
| Model | CHALLENGER LSS |
| Year Built | 2008 |
| Manufacturer's Serial Number | CH2-0107-LSS-0124 |
| 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) |
| Engine Manufacturer | ROTAX |
| Engine Model | 503 SERIES |
| Engine Type | 2 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 52 hp (39 kW) |
| Kit Manufacturer | QUAD CITY ULTRALIGHT ACFT CORP |
| Kit Model | CHALLENGER II |
| Type of Registrant | Individual |
| Owner Name | GREGO CHARLES R |
| Street | 49630 GREGO RD |
| City | ATLANTIC MINE |
| State | MI |
| Zip Code | 49905-8210 |
| Region | Great Lakes |
| County | Houghton County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2009-10-14 |
| Certificate Issue Date | 2009-07-28 |
| Last Action Date | 2020-08-12 |
| Expiration Date | 2027-10-31 |
| Status | Valid Registration |
| Mode S Code | 51072047 |
| Mode S Code Hex | A47427 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N3861Z.
| Tail Number / N-Number | N3861Z |
| Manufacturer | PIPER |
| Model | PA-18-150 |
| Year Built | 1960 |
| Manufacturer's Serial Number | 18-7634 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | 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 |
| Average Cruising Speed | 97 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | RIVERSIDE AIR SERVICE |
| Street | 6741 AIRPORT ROAD |
| City | RIVERSIDE |
| State | CA |
| Zip Code | 92504 |
| Region | Western-Pacific |
| County | Houghton County |
| Certificate Issue Date | 1961-11-24 |
| Last Status | Valid Registration |
| Cancellation Date | 1962-01-26 |
| Exported To | IRAN |