Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N2331E.
| Tail Number / N-Number | N2331E |
| Manufacturer | AERONCA |
| Model | 7AC |
| Year Built | 1946 |
| Manufacturer's Serial Number | 7AC-5908 |
| 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 | CENTRAL AIR SERVICE INC |
| Street | BOX 895 |
| City | LEWISTOWN |
| State | MT |
| Zip Code | 59457 |
| Region | Northwest Mountain |
| Certificate Issue Date | 1956-03-26 |
| Last Status | Valid Registration |
| Cancellation Date | 1960-01-07 |
| Mode S Code | 50413045 |
| Mode S Code Hex | A21625 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N2331E.
| Tail Number / N-Number | N2331E |
| Manufacturer | CESSNA |
| Model | 182R |
| Manufacturer's Serial Number | 18268194 |
| 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 |
| Last Status | N-Number Assigned – but has not yet been registered |
| Cancellation Date | 1988-11-14 |
| Mode S Code | 50413045 |
| Mode S Code Hex | A21625 |