Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N571M.
| Tail Number / N-Number | N571M |
| Manufacturer | BEECH |
| Model | B-60 |
| Year Built | 1980 |
| Manufacturer's Serial Number | P-534 |
| Aircraft Type | Fixed wing multi 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) |
| Engine Manufacturer | LYCOMING |
| Engine Model | TI0-541 SER |
| Engine Type | Reciprocating |
| Number of Engines | 2 engines |
| Horsepower per Engine | 310 hp (231 kW) |
| Total Horsepower | 620 hp (463 kW) |
| Average Cruising Speed | 112 miles per hour |
| Type of Registrant | Individual |
| Owner Name | HARRIS WILLIAM B |
| Street | 2908 STEPHEN F AUSTIN DR |
| City | BROWNWOOD |
| State | TX |
| Zip Code | 76801-6474 |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1980-02-28 |
| Certificate Issue Date | 2010-06-03 |
| Last Action Date | 2010-06-03 |
| Last Status | Registration Expired – Pending Cancellation |
| Cancellation Date | 2017-05-31 |
| Mode S Code | 51651463 |
| Mode S Code Hex | A75333 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N571M.
| Tail Number / N-Number | N571M |
| Manufacturer | SPARTAN |
| Model | C3-165 |
| Year Built | 1929 |
| Manufacturer's Serial Number | 125 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 3 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 78 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | SPARTAN AIRCRAFT CO |
| Street | SHERIDAN RD |
| City | TULSA |
| State | OK |
| Zip Code | 74103 |
| Region | Southwestern |
| Certificate Issue Date | 1930-02-01 |
| Last Status | Valid Registration |
| Cancellation Date | 1931-01-15 |
| Mode S Code | 51651463 |
| Mode S Code Hex | A75333 |