Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N6521C.
| Tail Number / N-Number | N6521C |
| Manufacturer | CESSNA |
| Model | T210N |
| Manufacturer's Serial Number | 21064706 |
| Aircraft Type | Fixed wing single 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 | 1 engine |
| Type of Registrant | Corporation |
| Owner Name | AVEX INC |
| Street | 106 E SANTA MARIA ST |
| City | SANTA PAULA |
| State | CA |
| Zip Code | 93060 |
| Country | US |
| Certificate Issue Date | 1991-03-07 |
| Last Action Date | 1991-03-07 |
| Last Status | Valid Registration |
| Cancellation Date | 1992-06-17 |
| Exported To | BRAZIL |
| Mode S Code | 52113246 |
| Mode S Code Hex | A896A6 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N6521C.
| Tail Number / N-Number | N6521C |
| Manufacturer | DOUGLAS |
| Model | DC-6B |
| Year Built | 1952 |
| Manufacturer's Serial Number | 43521 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 96 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Number of Engines | 4 engines |
| Average Cruising Speed | 216 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | CONCARE AIRCRAFT LEASING |
| Street | PO BOX 51034 |
| City | TULSA |
| State | OK |
| Zip Code | 74008 |
| Region | Southwestern |
| Last Status | Valid Registration |
| Cancellation Date | 1971-02-01 |
| Exported To | PANAMA |
| Mode S Code | 52113246 |
| Mode S Code Hex | A896A6 |