| Tail Number / N-Number | N4555L |
| Manufacturer | GULFSTREAM AMERICAN CORP |
| Model | AA-5B |
| Manufacturer's Serial Number | AA5B1216 |
| 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) |
| Number of Engines | 1 engine |
| Type of Registrant | Corporation |
| Owner Name | SKY WEST AVIATION INC TRUSTEE |
| Street | 2523 STIEGLITZ AVE SE |
| City | ALBUQUERQUE |
| State | NM |
| Zip Code | 87106-9605 |
| Region | Southwestern |
| County | Bernalillo County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1979-06-07 |
| Certificate Issue Date | 2020-03-04 |
| Last Action Date | 2022-10-19 |
| Expiration Date | 2030-03-31 |
| Status | Valid Registration |
| Mode S Code | 51303701 |
| Mode S Code Hex | A587C1 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N4555L.
| Tail Number / N-Number | N4555L |
| Manufacturer | CESSNA |
| Model | 421 |
| Year Built | 1968 |
| Manufacturer's Serial Number | 421-0155 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 8 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 2 engines |
| Average Cruising Speed | 172 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | KYSOR INDUSTRIAL CORP |
| Street | ONE MADISON AVE |
| City | CADILLAC |
| State | MI |
| Zip Code | 49601 |
| Region | Great Lakes |
| County | Bernalillo County |
| Certificate Issue Date | 1969-04-09 |
| Last Status | Valid Registration |
| Cancellation Date | 1971-03-22 |