| Tail Number / N-Number | N6431 |
| Manufacturer | PITTS SPECIAL |
| Model | S-1C |
| Year Built | 1971 |
| Manufacturer's Serial Number | 6431 |
| 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 | LYCOMING |
| Engine Model | 0-290 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 140 hp (104 kW) |
| Average Cruising Speed | 108 miles per hour |
| Type of Registrant | Individual |
| Owner Name | CUSSEN GEORGE J |
| Street | 1503 E DOGWOOD LN |
| City | MOUNT PROSPECT |
| State | IL |
| Zip Code | 60056-1505 |
| Region | Great Lakes |
| County | Cook County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1973-05-25 |
| Certificate Issue Date | 1999-05-14 |
| Last Action Date | 2022-11-15 |
| Expiration Date | 2030-04-30 |
| Status | Valid Registration |
| Mode S Code | 52071333 |
| Mode S Code Hex | A872DB |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N6431.
| Tail Number / N-Number | N6431 |
| Manufacturer | STEARMAN AIRCRAFT |
| Model | C3-B |
| Manufacturer's Serial Number | 171 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 3 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 82 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | AERO CROP DUSTING CO |
| Street | 2919 WAVERLEY DR |
| City | LOS ANGELES |
| State | CA |
| Zip Code | 90001 |
| Region | Western-Pacific |
| County | Cook County |
| Certificate Issue Date | 1931-03-30 |
| Last Status | Valid Registration |
| Cancellation Date | 1931-05-26 |