Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N6543B.
| Tail Number / N-Number | N6543B |
| Manufacturer | MOONEY |
| Model | M20A |
| Year Built | 1958 |
| Manufacturer's Serial Number | 1212 |
| 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) |
| Engine Manufacturer | LYCOMING |
| Engine Model | O&VO-360 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Average Cruising Speed | 127 miles per hour |
| Type of Registrant | Individual |
| Owner Name | DIAMOND HELEN IRINE |
| Street | 1112 VAL GENES RD |
| City | EDMOND |
| State | OK |
| Zip Code | 73034 |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1958-03-19 |
| Certificate Issue Date | 1986-08-29 |
| Last Action Date | 2007-07-17 |
| Last Status | Registration Expired – Pending Cancellation |
| Cancellation Date | 2013-04-30 |
| Mode S Code | 52117131 |
| Mode S Code Hex | A89E59 |