| Tail Number / N-Number | N1546U |
| Manufacturer | AIR TRACTOR INC |
| Model | AT-401 |
| Year Built | 1992 |
| Manufacturer's Serial Number | 401-0873 |
| 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 | R1340 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 600 hp (448 kW) |
| Type of Registrant | Individual |
| Owner Name | BAUER CHARLES A |
| Street | 5020 690TH AVE |
| City | GRACEVILLE |
| State | MN |
| Zip Code | 56240-3100 |
| Region | Great Lakes |
| County | Big Stone County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Restricted |
| Airworthiness Date | 2021-04-14 |
| Certificate Issue Date | 2021-09-28 |
| Last Action Date | 2021-09-28 |
| Expiration Date | 2028-09-30 |
| Status | Valid Registration |
| Mode S Code | 50156110 |
| Mode S Code Hex | A0DC48 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N1546U.
| Tail Number / N-Number | N1546U |
| Manufacturer | CESSNA |
| Model | U206F |
| Year Built | 1973 |
| Manufacturer's Serial Number | U20602253 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 6 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 127 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | COOK AIRFIELD INC |
| Street | RR 2 |
| City | DERBY |
| State | KS |
| Zip Code | 67037 |
| Region | Central |
| County | Big Stone County |
| Certificate Issue Date | 1974-01-22 |
| Last Status | Valid Registration |
| Cancellation Date | 1975-05-08 |
| Exported To | GUATEMALA |