| Tail Number / N-Number | N551AS |
| Manufacturer | BOEING |
| Model | 737-890 |
| Year Built | 2006 |
| Manufacturer's Serial Number | 34593 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 149 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Engine Manufacturer | CFM INTL. |
| Engine Model | CFM56 SERIES |
| Engine Type | Turbo-fan |
| Number of Engines | 2 engines |
| Horsepower per Engine | 2,200 hp (1,641 kW) |
| Total Horsepower | 4,400 hp (3,282 kW) |
| Type of Registrant | Corporation |
| Owner Name | ALASKA AIRLINES INC |
| Street | C/O LEGAL DEPT - SEAZL 19300 INTERNATIONAL BLVD |
| City | SEATTLE |
| State | WA |
| Zip Code | 98188 |
| Region | Northwest Mountain |
| County | King County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2006-02-02 |
| Certificate Issue Date | 2006-02-06 |
| Last Action Date | 2022-03-09 |
| Expiration Date | 2029-08-31 |
| Status | Valid Registration |
| Mode S Code | 51601463 |
| Mode S Code Hex | A70333 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N551AS.
| Tail Number / N-Number | N551AS |
| Manufacturer | CESSNA |
| Model | 551 |
| Manufacturer's Serial Number | 5510355 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 8 seats |
| Weight Class | CLASS 2 (12,500 - 19,999 pounds gross take off weight) |
| Number of Engines | 2 engines |
| County | King County |
| Last Status | N-Number Assigned – but has not yet been registered |
| Cancellation Date | 1988-06-23 |