| Tail Number / N-Number | N357AJ |
| Manufacturer | JOHNSON ALBERT A JR |
| Model | MARQUART MA-5 |
| Year Built | 2011 |
| Manufacturer's Serial Number | 0059 |
| 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-320 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 150 hp (112 kW) |
| Type of Registrant | LLC |
| Owner Name | ROCKYS FLYING SERVICE LLC |
| Street | 108 W 13TH ST |
| City | WILMINGTON |
| State | DE |
| Zip Code | 19801-1145 |
| Region | Eastern |
| County | New Castle County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2011-11-03 |
| Certificate Issue Date | 2021-05-13 |
| Last Action Date | 2021-05-13 |
| Expiration Date | 2028-05-31 |
| Status | Valid Registration |
| Mode S Code | 50777327 |
| Mode S Code Hex | A3FED7 |