| Tail Number / N-Number | N81AG |
| Manufacturer | BEECH |
| Model | A60 |
| Year Built | 1973 |
| Manufacturer's Serial Number | P-219 |
| 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 TRANSPORTATION LLC |
| Street | 6072 S 46TH E |
| City | IDAHO FALLS |
| State | ID |
| Zip Code | 83406-8225 |
| Region | Northwest Mountain |
| County | Bonneville County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1973-02-05 |
| Certificate Issue Date | 2020-04-28 |
| Last Action Date | 2023-01-22 |
| Expiration Date | 2027-04-30 |
| Status | Valid Registration |
| Mode S Code | 52603412 |
| Mode S Code Hex | AB070A |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N81AG.
| Tail Number / N-Number | N81AG |
| Manufacturer | BEECH |
| Model | E50 |
| Manufacturer's Serial Number | EH-29 |
| 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) |
| Number of Engines | 2 engines |
| Average Cruising Speed | 167 miles per hour |
| Type of Registrant | Partnership |
| Owner Name | SWEARINGEN AIRCRAFT INC |
| Street | P O BOX 6904 |
| City | SAN ANTONIO |
| State | TX |
| Zip Code | 78209 |
| Region | Southwestern |
| County | Bonneville County |
| Certificate Issue Date | 1967-09-14 |
| Last Status | Valid Registration |