| Tail Number / N-Number | N774MR |
| Manufacturer | AIR TRACTOR INC |
| Model | AT-502A |
| Year Built | 2017 |
| Manufacturer's Serial Number | 502A-3084 |
| 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-140AG |
| Engine Type | Turbo-prop |
| Number of Engines | 1 engine |
| Horsepower | 867 hp (647 kW) |
| Type of Registrant | LLC |
| Owner Name | SKI AG AVIATION LLC |
| Street | 12101 28TH ST NW |
| City | BISMARCK |
| State | ND |
| Zip Code | 58503-8413 |
| Region | Great Lakes |
| County | Burleigh County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Restricted |
| Airworthiness Date | 2017-03-15 |
| Certificate Issue Date | 2022-09-12 |
| Last Action Date | 2022-09-12 |
| Expiration Date | 2029-09-30 |
| Status | Valid Registration |
| Mode S Code | 52474406 |
| Mode S Code Hex | AA7906 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N774MR.
| Tail Number / N-Number | N774MR |
| Manufacturer | AIR TRACTOR INC |
| Model | AT-402B |
| Year Built | 2015 |
| Manufacturer's Serial Number | 402B-1327 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 2 seats |
| 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 | Individual |
| Owner Name | ZIMMER CHRIS |
| Street | 8510 5TH AVE NW |
| City | UPHAM |
| State | ND |
| Zip Code | 58789-9621 |
| County | Burleigh County |
| Country | US |
| Airworthiness Classification | Restricted |
| Airworthiness Date | 2015-03-10 |
| Certificate Issue Date | 2015-04-27 |
| Last Action Date | 2015-04-27 |
| Last Status | Valid Registration |
| Cancellation Date | 2016-12-22 |
| Exported To | AUSTRALIA |