| Tail Number / N-Number | N6506D |
| Manufacturer | CESSNA |
| Model | 172N |
| Year Built | 1979 |
| Manufacturer's Serial Number | 17272835 |
| 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 | LYCOMING |
| Engine Model | 0-320 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Average Cruising Speed | 105 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | HOLMAN ENTERPRISES |
| Street | 4170 US HWY 2 EAST |
| City | KALISPELL |
| State | MT |
| Zip Code | 59901 |
| Region | Northwest Mountain |
| County | Flathead County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1979-06-18 |
| Certificate Issue Date | 1987-12-01 |
| Last Action Date | 2021-08-25 |
| Expiration Date | 2029-01-31 |
| Status | Valid Registration |
| Mode S Code | 52107750 |
| Mode S Code Hex | A88FE8 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N6506D.
| Tail Number / N-Number | N6506D |
| Manufacturer | SCHLEICHER |
| Model | K 8 B |
| Manufacturer's Serial Number | 8036 |
| Aircraft Type | Glider |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 0 engines |
| Average Cruising Speed | 60 miles per hour |
| Type of Registrant | Individual |
| Owner Name | KOLSTAD KENNETH C |
| County | Flathead County |
| Certificate Issue Date | 1966-01-11 |
| Last Status | Valid Registration |
| Cancellation Date | 1970-06-30 |