Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N6840U.
| Tail Number / N-Number | N6840U |
| Manufacturer | MOONEY |
| Model | M20C |
| Manufacturer's Serial Number | 2545 |
| 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 | Individual |
| Owner Name | DEL VALLE NICOLAS |
| Street | 613 PONS ST |
| City | SANTURCE |
| Country | RQ |
| Certificate Issue Date | 1964-09-17 |
| Last Status | Valid Registration |
| Cancellation Date | 1972-02-01 |
| Mode S Code | 52212176 |
| Mode S Code Hex | A9147E |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N6840U.
| Tail Number / N-Number | N6840U |
| Manufacturer | CESSNA |
| Model | 402C |
| Manufacturer's Serial Number | 402C0486 |
| 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 | N-Number Assigned – but has not yet been registered |
| Cancellation Date | 1988-08-16 |
| Mode S Code | 52212176 |
| Mode S Code Hex | A9147E |