| Tail Number / N-Number | N177ZZ |
| Manufacturer | AIRPLANE FACTORY INC |
| Model | SLING 4 |
| Year Built | 2018 |
| Manufacturer's Serial Number | 092 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | ROTAX |
| Engine Model | 914UL |
| Engine Type | 4 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 115 hp (86 kW) |
| Type of Registrant | LLC |
| Owner Name | EXSTOCK LLC |
| Street | 2363 E PACIFICA PL |
| City | RANCHO DOMINGUEZ |
| State | CA |
| Zip Code | 90220-6212 |
| Region | Western-Pacific |
| County | Los Angeles County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2018-02-26 |
| Certificate Issue Date | 2018-05-04 |
| Last Action Date | 2021-03-22 |
| Expiration Date | 2028-05-31 |
| Status | Valid Registration |
| Mode S Code | 50232605 |
| Mode S Code Hex | A13585 |