| Tail Number / N-Number | N391KS |
| Manufacturer | SIBLEY KENT V |
| Model | ACRO SPORT II |
| Year Built | 1989 |
| Manufacturer's Serial Number | 391 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | 0-320 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Type of Registrant | Individual |
| Owner Name | KAISER DAVID S |
| Street | 851 TYSON DR |
| City | PAWLEYS ISLAND |
| State | SC |
| Zip Code | 29585-6554 |
| Region | Southern |
| County | Georgetown County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1990-05-24 |
| Certificate Issue Date | 2020-03-23 |
| Last Action Date | 2022-11-07 |
| Expiration Date | 2030-03-31 |
| Status | Valid Registration |
| Mode S Code | 51103562 |
| Mode S Code Hex | A48772 |