| Tail Number / N-Number | N5546K |
| Manufacturer | STEPHENS LARRY K |
| Model | ACRO SPORT II |
| Year Built | 1985 |
| Manufacturer's Serial Number | 367 |
| 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 | O&VO-360 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Type of Registrant | Individual |
| Owner Name | OSTROWSKI SVEN E |
| Street | 648 TOMLIN STATION RD |
| City | MULLICA HILL |
| State | NJ |
| Zip Code | 08062-4710 |
| Region | Eastern |
| County | Gloucester County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1985-06-21 |
| Certificate Issue Date | 2023-01-07 |
| Last Action Date | 2023-01-09 |
| Expiration Date | 2030-01-31 |
| Status | Valid Registration |
| Mode S Code | 51610573 |
| Mode S Code Hex | A7117B |