| Tail Number / N-Number | N9221A |
| Manufacturer | RITTER-CARL |
| Model | PAZMANY PL-4 |
| Year Built | 1978 |
| Manufacturer's Serial Number | 522 |
| 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 | CONT MOTOR |
| Engine Model | A&C75 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 75 hp (56 kW) |
| Type of Registrant | Individual |
| Owner Name | RITTER CARL W |
| Street | 18127 322ND ST W |
| City | ILLINOIS CITY |
| State | IL |
| Zip Code | 61259 |
| Region | Great Lakes |
| County | Rock Island County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1980-01-10 |
| Certificate Issue Date | 1978-07-18 |
| Last Action Date | 2020-12-12 |
| Expiration Date | 2028-02-29 |
| Status | Valid Registration |
| Mode S Code | 53144024 |
| Mode S Code Hex | ACC814 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N9221A.
| Tail Number / N-Number | N9221A |
| Manufacturer | CESSNA |
| Model | 170A |
| Manufacturer's Serial Number | 18982 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 105 miles per hour |
| Type of Registrant | Individual |
| Owner Name | FLOYD LOUIS C |
| Street | FEDERAL REFORMATORY |
| City | PETERSBURG |
| State | VA |
| Zip Code | 23801 |
| Region | Eastern |
| County | Rock Island County |
| Certificate Issue Date | 1954-02-16 |
| Last Status | Valid Registration |
| Cancellation Date | 1957-02-15 |