| Tail Number / N-Number | N321DA |
| Manufacturer | AIR TRACTOR INC |
| Model | AT-402A |
| Year Built | 1991 |
| Manufacturer's Serial Number | 402A-0814 |
| 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-15AG |
| Engine Type | Turbo-prop |
| Number of Engines | 1 engine |
| Horsepower | 680 hp (507 kW) |
| Type of Registrant | Co-Ownership |
| Owner Name | YOST RANDY A |
| Other Names |
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| Street | 2021 SAUNDERS AVE |
| City | PIERRE |
| State | SD |
| Zip Code | 57501-5745 |
| Region | Great Lakes |
| County | Hughes County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Restricted |
| Airworthiness Date | 2008-01-18 |
| Certificate Issue Date | 2015-05-01 |
| Last Action Date | 2021-07-14 |
| Expiration Date | 2028-05-31 |
| Status | Valid Registration |
| Mode S Code | 50671123 |
| Mode S Code Hex | A37253 |