Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N540N.
| Tail Number / N-Number | N540N |
| Manufacturer | DEHAVILLAND |
| Model | DHC-6 TWIN OTTER |
| Year Built | 1974 |
| Manufacturer's Serial Number | 401 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 16 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | U/A CANADA |
| Engine Model | PT6A-27-28 |
| Engine Type | Turbo-prop |
| Number of Engines | 2 engines |
| Horsepower per Engine | 680 hp (507 kW) |
| Total Horsepower | 1,360 hp (1,015 kW) |
| Average Cruising Speed | 123 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | SEAIR ALASKA AIRLINES INC |
| Street | PO BOX 6003 |
| City | ANCHORAGE |
| State | AK |
| Zip Code | 99502 |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1974-03-29 |
| Certificate Issue Date | 1974-04-09 |
| Last Action Date | 1990-10-06 |
| Last Status | Third Notice for Re-Registration/Renewal |
| Cancellation Date | 2011-08-04 |
| Exported To | CANADA |
| Mode S Code | 51554430 |
| Mode S Code Hex | A6D918 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N540N.
| Tail Number / N-Number | N540N |
| Manufacturer | CURTISS WRIGHT |
| Model | ROBIN J-1 |
| Manufacturer's Serial Number | 749 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 3 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 79 miles per hour |
| Type of Registrant | Individual |
| Owner Name | POWELL KENNETH |
| Certificate Issue Date | 1948-10-22 |
| Last Status | Valid Registration |
| Cancellation Date | 1950-10-17 |
| Mode S Code | 51554430 |
| Mode S Code Hex | A6D918 |