| Tail Number / N-Number | N4556U |
| Manufacturer | AIR TRACTOR INC |
| Model | AT-402 |
| Year Built | 1991 |
| Manufacturer's Serial Number | 402-0815 |
| 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 | LLC |
| Owner Name | AIR CARE LEASING LLC |
| Street | 10200 COUNTY ROAD SS |
| City | LAMAR |
| State | CO |
| Zip Code | 81052-9623 |
| Region | Northwest Mountain |
| County | Prowers County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Restricted |
| Airworthiness Date | 1991-04-18 |
| Certificate Issue Date | 2021-06-08 |
| Last Action Date | 2021-06-08 |
| Expiration Date | 2028-06-30 |
| Status | Valid Registration |
| Mode S Code | 51303754 |
| Mode S Code Hex | A587EC |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N4556U.
| Tail Number / N-Number | N4556U |
| Manufacturer | GULFSTREAM AMERICAN CORP |
| Model | AA-5B |
| Manufacturer's Serial Number | AA5B1225 |
| Aircraft Type | Fixed wing single engine |
| 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 |
| County | Prowers County |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 1989-01-12 |