Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N1237X.
| Tail Number / N-Number | N1237X |
| Manufacturer | MOONEY |
| Model | M20E |
| Manufacturer's Serial Number | 110 |
| 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 | 127 miles per hour |
| Type of Registrant | Co-Ownership |
| Owner Name | BARTZ IRVING AND BARTZ SYLVIA |
| Street | 3366 E LESTER |
| City | TUCSON |
| State | AZ |
| Zip Code | 85701 |
| Region | Western-Pacific |
| Certificate Issue Date | 1965-03-24 |
| Last Status | Valid Registration |
| Cancellation Date | 1971-02-26 |
| Mode S Code | 50061072 |
| Mode S Code Hex | A0623A |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N1237X.
| Tail Number / N-Number | N1237X |
| Manufacturer | CESSNA |
| Model | 402C |
| Manufacturer's Serial Number | 402C1012 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 10 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 2 engines |
| Last Status | Aircraft registered to the manufacturer under their Dealer Certificate |
| Mode S Code | 50061072 |
| Mode S Code Hex | A0623A |