| Tail Number / N-Number | N825BK |
| Manufacturer | AIR TRACTOR INC |
| Model | AT-402 |
| Year Built | 1993 |
| Manufacturer's Serial Number | 402-0902 |
| 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 |
| Engine Model | PT6A SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 500 hp (373 kW) |
| Type of Registrant | Corporation |
| Owner Name | KLEIN FLYING SERVICE |
| Street | 20014 STATE ROUTE 33 E |
| City | LAWRENCEVILLE |
| State | IL |
| Zip Code | 62439-4595 |
| Region | Great Lakes |
| County | Lawrence County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Restricted |
| Airworthiness Date | 1993-02-10 |
| Certificate Issue Date | 2018-09-26 |
| Last Action Date | 2021-08-23 |
| Expiration Date | 2028-09-30 |
| Status | Valid Registration |
| Mode S Code | 52641621 |
| Mode S Code Hex | AB4391 |