| Tail Number / N-Number | N819SY |
| Manufacturer | BOEING |
| Model | 737-86N |
| Year Built | 2006 |
| Manufacturer's Serial Number | 34254 |
| 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 | CFM56-7B26 |
| Engine Type | Turbo-fan |
| Number of Engines | 2 engines |
| Thrust per Engine | 26,300 pounds-force (117.0 kN) |
| Total Thrust | 52,600 pounds-force (234.0 kN) |
| Type of Registrant | Corporation |
| Owner Name | SUN COUNTRY INC |
| Street | 2005 CARGO RD |
| City | MINNEAPOLIS |
| State | MN |
| Zip Code | 55450-1131 |
| Region | Great Lakes |
| County | Hennepin County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2014-06-10 |
| Certificate Issue Date | 2020-01-07 |
| Last Action Date | 2022-12-21 |
| Expiration Date | 2030-01-31 |
| Status | Valid Registration |
| Mode S Code | 52626162 |
| Mode S Code Hex | AB2C72 |