| Tail Number / N-Number | N4509S |
| Manufacturer | AIR TRACTOR INC |
| Model | AT-502 |
| Year Built | 1990 |
| Manufacturer's Serial Number | 502-0088 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | P&W CANADA |
| Engine Model | PT6A-60A |
| Engine Type | Turbo-prop |
| Number of Engines | 1 engine |
| Horsepower | 1,050 hp (783 kW) |
| Type of Registrant | Corporation |
| Owner Name | JOHNSON AIRSPRAY INC |
| Street | ROUTE 1 BOX 276 |
| City | ARGYLE |
| State | MN |
| Zip Code | 56713 |
| Region | Great Lakes |
| County | Marshall County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Restricted |
| Airworthiness Date | 1990-03-20 |
| Certificate Issue Date | 2019-07-09 |
| Last Action Date | 2022-02-19 |
| Expiration Date | 2029-07-31 |
| Status | Valid Registration |
| Mode S Code | 51272700 |
| Mode S Code Hex | A575C0 |