| Tail Number / N-Number | N90450 |
| Manufacturer | ROBINSON HELICOPTER COMPANY |
| Model | R22 |
| Year Built | 1981 |
| Manufacturer's Serial Number | 0120 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 2 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) |
| Type of Registrant | Corporation |
| Owner Name | AIR & SEA LEASING INC |
| Street | ST LOUIS DOWNTOWN AIRPORT 3300 VECTOR DR |
| City | CAHOKIA |
| State | IL |
| Zip Code | 62206-1457 |
| Region | Great Lakes |
| County | St. Clair County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1981-04-01 |
| Last Action Date | 2018-01-26 |
| Status | Valid Registration |
| Mode S Code | 53100450 |
| Mode S Code Hex | AC8128 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N90450.
| Tail Number / N-Number | N90450 |
| Manufacturer | DOUGLAS |
| Model | C54B-DC |
| Year Built | 1944 |
| Manufacturer's Serial Number | 18349 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 60 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Number of Engines | 4 engines |
| Average Cruising Speed | 173 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | ALASKA AIRLINES INC |
| Street | PO BOX 2200 |
| City | ANCHORAGE |
| State | AK |
| Zip Code | 99501 |
| Region | Alaskan |
| County | St. Clair County |
| Certificate Issue Date | 1947-04-01 |
| Last Status | Valid Registration |
| Cancellation Date | 1962-02-20 |
| Exported To | UNITED KINGDOM |