Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N41SW.
| Tail Number / N-Number | N41SW |
| Manufacturer | WITTMAN SYLVESTER J |
| Model | O & O |
| Manufacturer's Serial Number | 13 |
| 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 | CONT MOTOR |
| Engine Model | O-470 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 230 hp (172 kW) |
| Type of Registrant | Co-Ownership |
| Owner Name | WITTMAN SYLVESTER J |
| Other Names |
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| Street | PO BOX 2672 |
| City | OSHKOSH |
| State | WI |
| Zip Code | 54903 |
| Country | US |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1986-01-06 |
| Certificate Issue Date | 1992-09-11 |
| Last Action Date | 1998-09-11 |
| Last Status | Registration Expired – Pending Cancellation |
| Cancellation Date | 2013-07-30 |
| Mode S Code | 51151554 |
| Mode S Code Hex | A4D36C |