Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N6641B.
| Tail Number / N-Number | N6641B |
| Manufacturer | CESSNA |
| Model | 310B |
| Year Built | 1958 |
| Manufacturer's Serial Number | 35741 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 5 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | O-470 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 2 engines |
| Horsepower per Engine | 230 hp (172 kW) |
| Total Horsepower | 460 hp (343 kW) |
| Average Cruising Speed | 167 miles per hour |
| Type of Registrant | Individual |
| Owner Name | DUFF J W DBA |
| Other Names |
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| Street | 8131 E 40TH AVE |
| City | DENVER |
| State | CO |
| Zip Code | 80207 |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1958-07-15 |
| Certificate Issue Date | 1991-01-02 |
| Last Action Date | 2009-02-17 |
| Last Status | Registration Expired – Pending Cancellation |
| Cancellation Date | 2015-05-04 |
| Mode S Code | 52142622 |
| Mode S Code Hex | A8C592 |