| Tail Number / N-Number | N8558Z |
| Manufacturer | BOEING |
| Model | 737-800 |
| Year Built | 2017 |
| Manufacturer's Serial Number | 63602 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 189 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Engine Manufacturer | CFM INTL |
| Engine Model | CFM56-7B27E/F |
| Engine Type | Turbo-fan |
| Number of Engines | 2 engines |
| Thrust per Engine | 27,300 pounds-force (121.4 kN) |
| Total Thrust | 54,600 pounds-force (242.9 kN) |
| Type of Registrant | Corporation |
| Owner Name | SOUTHWEST AIRLINES CO |
| Street | 2702 LOVE FIELD DR # HDQ-4GC |
| City | DALLAS |
| State | TX |
| Zip Code | 75235-1908 |
| Region | Southwestern |
| County | Dallas County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2017-12-17 |
| Certificate Issue Date | 2018-01-08 |
| Last Action Date | 2020-10-30 |
| Expiration Date | 2028-01-31 |
| Status | Valid Registration |
| Mode S Code | 52736563 |
| Mode S Code Hex | ABBD73 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N8558Z.
| Tail Number / N-Number | N8558Z |
| Manufacturer | ROBINSON HELICOPTER |
| Model | R22 ALPHA |
| Manufacturer's Serial Number | 0467 |
| 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) |
| Number of Engines | 1 engine |
| County | Dallas County |