Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N6521B.
| Tail Number / N-Number | N6521B |
| Manufacturer | MOONEY AIRCRAFT CORP. |
| Model | M20 |
| Manufacturer's Serial Number | 1188 |
| 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 | 126 miles per hour |
| Type of Registrant | Partnership |
| Owner Name | LUDKE C THOMAS |
| Street | 12621 BIRWOOD |
| City | DETROIT |
| State | MI |
| Zip Code | 48033 |
| Region | Great Lakes |
| Certificate Issue Date | 1963-11-22 |
| Last Status | Valid Registration |
| Cancellation Date | 1964-10-13 |
| Mode S Code | 52113245 |
| Mode S Code Hex | A896A5 |