| Tail Number / N-Number | N7477D |
| Manufacturer | BEECH |
| Model | A60 |
| Manufacturer's Serial Number | P-142 |
| Aircraft Type | Fixed wing multi 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 | LYCOMING |
| Engine Model | TI0-541 SER |
| Engine Type | Reciprocating |
| Number of Engines | 2 engines |
| Horsepower per Engine | 310 hp (231 kW) |
| Total Horsepower | 620 hp (463 kW) |
| Average Cruising Speed | 150 miles per hour |
| Type of Registrant | LLC |
| Owner Name | DUKE ONE LLC |
| Street | 2533 LANYON DR |
| City | LONGMONT |
| State | CO |
| Zip Code | 80503-3627 |
| Region | Northwest Mountain |
| County | Boulder County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1970-07-22 |
| Certificate Issue Date | 2023-02-09 |
| Last Action Date | 2023-02-09 |
| Expiration Date | 2030-02-28 |
| Status | Valid Registration |
| Mode S Code | 52407734 |
| Mode S Code Hex | AA0FDC |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N7477D.
| Tail Number / N-Number | N7477D |
| Manufacturer | PIPER |
| Model | PA-18A |
| Manufacturer's Serial Number | 18-5812 |
| 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 | 97 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | GRAUBART AVIATION INC |
| Street | PORTER COUNTY AIRPORT |
| City | VALPARAISO |
| State | IN |
| Zip Code | 46055 |
| Region | Great Lakes |
| County | Boulder County |
| Certificate Issue Date | 1962-05-15 |
| Last Status | Valid Registration |
| Cancellation Date | 1962-07-30 |
| Exported To | CANADA |