Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N5581S.
| Tail Number / N-Number | N5581S |
| Manufacturer | STARK RICHARD A |
| Model | BENSEN B-80 |
| Year Built | 1984 |
| Manufacturer's Serial Number | 181-1-19 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | MCCULLOCH |
| Engine Model | 4318A&E/0-100 |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 72 hp (54 kW) |
| Type of Registrant | Individual |
| Owner Name | STARK RICHARD A |
| Street | RD 1 |
| City | LUCAS |
| State | OH |
| Zip Code | 44843 |
| Country | US |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1985-12-04 |
| Certificate Issue Date | 1984-11-19 |
| Last Action Date | 1997-10-24 |
| Last Status | Registration Expired – Pending Cancellation |
| Cancellation Date | 2013-09-16 |
| Mode S Code | 51617657 |
| Mode S Code Hex | A71FAF |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N5581S.
| Tail Number / N-Number | N5581S |
| Manufacturer | DOUGLAS |
| Model | DC-4 |
| Manufacturer's Serial Number | 42917 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 60 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Number of Engines | 4 engines |
| Average Cruising Speed | 178 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | BASLER FLIGHT SERVICE INC |
| Street | PO BOX 2305 |
| City | OSHKOSH |
| State | WI |
| Zip Code | 54901 |
| Region | Great Lakes |
| Certificate Issue Date | 1980-02-08 |
| Last Status | Valid Registration |
| Cancellation Date | 1981-09-28 |
| Exported To | CANADA |
| Mode S Code | 51617657 |
| Mode S Code Hex | A71FAF |