| Tail Number / N-Number | N6503T |
| Manufacturer | LANCAIR COMPANY |
| Model | LC-40-550FG |
| Year Built | 2002 |
| Manufacturer's Serial Number | 40039 |
| 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 | CONT MOTOR |
| Engine Model | IO-550 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 300 hp (224 kW) |
| Type of Registrant | Corporation |
| Owner Name | RUSSELL CONSTRUCTION CO |
| Street | PO BOX 319 |
| City | DOUGLAS |
| State | WY |
| Zip Code | 82633-0319 |
| Region | Northwest Mountain |
| County | Converse County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2002-02-12 |
| Certificate Issue Date | 2007-02-22 |
| Last Action Date | 2022-03-09 |
| Expiration Date | 2029-08-31 |
| Status | Valid Registration |
| Mode S Code | 52107615 |
| Mode S Code Hex | A88F8D |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N6503T.
| Tail Number / N-Number | N6503T |
| Manufacturer | BEECH |
| Model | B23 |
| Manufacturer's Serial Number | M-1140 |
| 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 | 116 miles per hour |
| Type of Registrant | Individual |
| Owner Name | MCELROY LYNN |
| Street | BOX 391 |
| City | SHELBYVILLE |
| State | IL |
| Zip Code | 62565 |
| Region | Great Lakes |
| County | Converse County |
| Certificate Issue Date | 1974-12-17 |
| Last Status | Valid Registration |
| Cancellation Date | 1974-12-17 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N6503T.
| Tail Number / N-Number | N6503T |
| Manufacturer | CESSNA |
| Model | 150 |
| Manufacturer's Serial Number | 17903 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 90 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | CESSNA AIRCRAFT CO |
| Street | GENERAL DELIVERY |
| City | WICHITA |
| State | KS |
| Zip Code | 67202 |
| Region | Central |
| County | Converse County |
| Last Status | Valid Registration |
| Cancellation Date | 1960-06-06 |
| Exported To | CANADA |