Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N2251X.
| Tail Number / N-Number | N2251X |
| Manufacturer | CESSNA |
| Model | 337 |
| Manufacturer's Serial Number | 3370151 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 6 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 2 engines |
| Average Cruising Speed | 142 miles per hour |
| Type of Registrant | Individual |
| Owner Name | FLUGDIENST OEFAG |
| Last Status | Valid Registration |
| Cancellation Date | 1965-07-29 |
| Exported To | AUSTRIA |
| Mode S Code | 50373045 |
| Mode S Code Hex | A1F625 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N2251X.
| Tail Number / N-Number | N2251X |
| Manufacturer | DOUGLAS |
| Model | C-133A |
| Manufacturer's Serial Number | 54-137 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 200 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Number of Engines | 4 engines |
| Average Cruising Speed | 187 miles per hour |
| Last Action Date | 1978-06-03 |
| Last Status | N-Number assigned, has not been registered and is pending cancellation |
| Cancellation Date | 2011-02-16 |
| Mode S Code | 50373045 |
| Mode S Code Hex | A1F625 |