| Tail Number / N-Number | N402U |
| Manufacturer | AIR TRACTOR INC |
| Model | AT-402A |
| Year Built | 1999 |
| Manufacturer's Serial Number | 402A-1116 |
| 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 | WESTERN AG AVIATION INC |
| Street | PO BOX 395 |
| City | PLAINS |
| State | KS |
| Zip Code | 67869-0395 |
| Region | Central |
| County | Meade County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Restricted |
| Airworthiness Date | 1999-11-03 |
| Certificate Issue Date | 2005-05-03 |
| Last Action Date | 2022-12-01 |
| Expiration Date | 2030-04-30 |
| Status | Valid Registration |
| Mode S Code | 51132721 |
| Mode S Code Hex | A4B5D1 |