Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N4538K.
| Tail Number / N-Number | N4538K |
| Manufacturer | AIR TRACTOR INC |
| Model | AT-401 |
| Manufacturer's Serial Number | 4010770 |
| 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) |
| Number of Engines | 1 engine |
| Type of Registrant | Corporation |
| Owner Name | FRONTIER AGRICULTURAL SERVICE INC |
| Street | PO BOX 1768 |
| City | CALEXICO |
| State | CA |
| Zip Code | 92231 |
| Country | US |
| Certificate Issue Date | 1991-07-31 |
| Last Action Date | 1994-08-17 |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 1994-10-05 |
| Mode S Code | 51300273 |
| Mode S Code Hex | A580BB |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N4538K.
| Tail Number / N-Number | N4538K |
| Manufacturer | CESSNA |
| Model | P210N |
| Manufacturer's Serial Number | P21000211 |
| 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 | 141 miles per hour |
| Last Status | N-Number Assigned – but has not yet been registered |
| Cancellation Date | 1989-07-31 |
| Mode S Code | 51300273 |
| Mode S Code Hex | A580BB |