Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N23503.
| Tail Number / N-Number | N23503 |
| Manufacturer | CESSNA |
| Model | 150H |
| Manufacturer's Serial Number | 15068995 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 90 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | MONATON AVIATION CORP |
| Street | 25 MONATON DRIVE |
| City | HUNTINGTON STATION |
| State | NY |
| Zip Code | 11746 |
| Region | Eastern |
| Certificate Issue Date | 1970-11-04 |
| Last Status | Valid Registration |
| Cancellation Date | 1977-07-07 |
| Mode S Code | 50416607 |
| Mode S Code Hex | A21D87 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N23503.
| Tail Number / N-Number | N23503 |
| Manufacturer | AERONCA |
| Model | 65-C |
| Year Built | 1939 |
| Manufacturer's Serial Number | 4489 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 75 miles per hour |
| Type of Registrant | Individual |
| Owner Name | LEATHERBY FRED |
| Street | 1237 SOUTH MONROE STREET |
| City | GREEN BAY |
| State | WI |
| Zip Code | 54303 |
| Region | Great Lakes |
| Certificate Issue Date | 1944-06-05 |
| Last Status | Valid Registration |
| Cancellation Date | 1948-06-11 |
| Mode S Code | 50416607 |
| Mode S Code Hex | A21D87 |