| Tail Number / N-Number | N6645K |
| Manufacturer | BEECH |
| Model | C-99 |
| Year Built | 1983 |
| Manufacturer's Serial Number | U-209 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 17 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | P&W CANADA |
| Engine Model | PT6A-60A |
| Engine Type | Turbo-prop |
| Number of Engines | 2 engines |
| Horsepower per Engine | 1,050 hp (783 kW) |
| Total Horsepower | 2,100 hp (1,567 kW) |
| Type of Registrant | Corporation |
| Owner Name | BEMIDJI AVIATION SERVICES INC |
| Street | 4125 HANGAR DR NW |
| City | BEMIDJI |
| State | MN |
| Zip Code | 56601-6243 |
| Region | Great Lakes |
| County | Beltrami County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1983-09-07 |
| Certificate Issue Date | 2012-12-10 |
| Last Action Date | 2021-07-15 |
| Expiration Date | 2028-12-31 |
| Status | Valid Registration |
| Mode S Code | 52143046 |
| Mode S Code Hex | A8C626 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N6645K.
| Tail Number / N-Number | N6645K |
| Manufacturer | REPUBLIC |
| Model | RC-3 |
| Year Built | 1947 |
| Manufacturer's Serial Number | 922 |
| Aircraft Type | Fixed wing single engine |
| Category | Amphibian |
| 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 | 87 miles per hour |
| Type of Registrant | Corporation |
| County | Beltrami County |
| Last Status | Valid Registration |
| Exported To | CANADA |