| Tail Number / N-Number | N441MS |
| Manufacturer | SCHUMACHER MICHAEL |
| Model | CHALLENGER II |
| Year Built | 2004 |
| Manufacturer's Serial Number | CH2-1200-CW-2039 |
| 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 | SCHUMACHER MICHAEL |
| Street | 551 COUNTY ROAD 2100 E |
| City | SIDNEY |
| State | IL |
| Zip Code | 61877-9716 |
| Region | Great Lakes |
| County | Champaign County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2007-10-20 |
| Certificate Issue Date | 2007-10-04 |
| Last Action Date | 2021-03-12 |
| Expiration Date | 2028-08-31 |
| Status | Valid Registration |
| Mode S Code | 51247570 |
| Mode S Code Hex | A54F78 |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N441MS.
| Tail Number / N-Number | N441MS |
| Manufacturer | CESSNA |
| Model | 441 |
| Manufacturer's Serial Number | 4410056 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 10 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 2 engines |
| Average Cruising Speed | 131 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | S & S LIMITED INC |
| Street | 1170 TOP OF THE HILL |
| City | AKRON |
| State | OH |
| Zip Code | 44333 |
| County | Champaign County |
| Country | US |
| Certificate Issue Date | 1992-10-07 |
| Last Action Date | 1995-09-20 |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 1998-08-19 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N441MS.
| Tail Number / N-Number | N441MS |
| Manufacturer | CESSNA |
| Model | 441 |
| Manufacturer's Serial Number | 4410059 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 10 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 2 engines |
| Average Cruising Speed | 131 miles per hour |
| County | Champaign County |
| Last Status | N-Number Assigned – but has not yet been registered |
| Cancellation Date | 1988-07-21 |