| Tail Number / N-Number | N502HA |
| Manufacturer | AIR TRACTOR INC |
| Model | AT-502A |
| Year Built | 2018 |
| Manufacturer's Serial Number | 502A-3144 |
| 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 | Corporation |
| Owner Name | GROSS FLYING SERVICE INC |
| Street | PO BOX 393 |
| City | LARNED |
| State | KS |
| Zip Code | 67550-0393 |
| Region | Central |
| County | Pawnee County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Restricted |
| Airworthiness Date | 2018-04-24 |
| Certificate Issue Date | 2020-08-12 |
| Last Action Date | 2020-08-12 |
| Expiration Date | 2027-08-31 |
| Status | Valid Registration |
| Mode S Code | 51441016 |
| Mode S Code Hex | A6420E |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N502HA.
| Tail Number / N-Number | N502HA |
| Manufacturer | HILLER |
| Model | UH-12E |
| Manufacturer's Serial Number | 5002 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 72 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | HILLER AVIATION |
| Street | 2075 W SCRANTON AVE |
| City | POTERVILLE |
| State | CA |
| Zip Code | 93257 |
| Region | Western-Pacific |
| County | Pawnee County |
| Certificate Issue Date | 1973-12-13 |
| Last Status | Valid Registration |
| Cancellation Date | 1974-05-07 |
| Exported To | NEW ZEALAND |