| Tail Number / N-Number | N6491B |
| Manufacturer | CESSNA |
| Model | T210M |
| Year Built | 1978 |
| Manufacturer's Serial Number | 21062774 |
| 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) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | TSIO-520 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 300 hp (224 kW) |
| Average Cruising Speed | 141 miles per hour |
| Type of Registrant | Individual |
| Owner Name | TERRILL GUY J |
| Street | 349 SCHULER LN |
| City | DILLON |
| State | MT |
| Zip Code | 59725-8241 |
| Region | Northwest Mountain |
| County | Beaverhead County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1978-06-29 |
| Certificate Issue Date | 2020-02-24 |
| Last Action Date | 2022-09-16 |
| Expiration Date | 2030-02-28 |
| Status | Valid Registration |
| Mode S Code | 52104447 |
| Mode S Code Hex | A88927 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N6491B.
| Tail Number / N-Number | N6491B |
| Manufacturer | CESSNA |
| Model | 172 |
| Manufacturer's Serial Number | 29691 |
| 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 | 105 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | CESSNA AIRCRAFT CO |
| County | Beaverhead County |
| Last Status | Valid Registration |
| Cancellation Date | 1957-03-19 |