| Tail Number / N-Number | N2678Z |
| Manufacturer | BELLANCA |
| Model | 17-30A |
| Year Built | 1990 |
| Manufacturer's Serial Number | 90-301010 |
| 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 520 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 285 hp (213 kW) |
| Average Cruising Speed | 142 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | KING CANYON BUFFALO INC |
| Street | 2900 BIRCH ST |
| City | DENVER |
| State | CO |
| Zip Code | 80207-2622 |
| Region | Northwest Mountain |
| County | Denver County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1990-09-07 |
| Certificate Issue Date | 2005-04-04 |
| Last Action Date | 2023-01-22 |
| Expiration Date | 2027-01-31 |
| Status | Valid Registration |
| Mode S Code | 50516206 |
| Mode S Code Hex | A29C86 |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N2678Z.
| Tail Number / N-Number | N2678Z |
| Manufacturer | BELLANCA |
| Model | 7GCBC |
| Year Built | 1977 |
| Manufacturer's Serial Number | 1009-78 |
| 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 | COMMANDER AVIATION |
| Street | PO BOX 734 |
| City | MANDAN |
| State | ND |
| Zip Code | 58554 |
| Region | Great Lakes |
| County | Denver County |
| Country | US |
| Certificate Issue Date | 1978-05-30 |
| Last Status | Valid Registration |
| Cancellation Date | 1980-10-31 |
| Exported To | CANADA |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N2678Z.
| Tail Number / N-Number | N2678Z |
| Manufacturer | CESSNA |
| Model | 185C |
| Manufacturer's Serial Number | 185-0678 |
| 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) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 125 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | CESSNA AIRCRAFT COMPANU |
| Street | 5800 PAWNEE RD |
| City | WICHITA |
| State | KS |
| Zip Code | 67207 |
| Region | Central |
| County | Denver County |
| Last Status | Valid Registration |
| Cancellation Date | 1963-12-30 |
| Exported To | AUSTRALIA |