Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N4405S.
| Tail Number / N-Number | N4405S |
| Manufacturer | AIR TRACTOR INC |
| Model | AT-301 |
| Year Built | 1977 |
| Manufacturer's Serial Number | 301-0065 |
| 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 |
| Average Cruising Speed | 71 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | AG-AIR INC |
| Street | PO BOX 245 |
| City | LOS FRESNOS |
| State | TX |
| Zip Code | 78566 |
| Region | Southwestern |
| Certificate Issue Date | 1977-03-22 |
| Last Status | Valid Registration |
| Cancellation Date | 1980-01-14 |
| Exported To | MEXICO |
| Mode S Code | 51246665 |
| Mode S Code Hex | A54DB5 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N4405S.
| Tail Number / N-Number | N4405S |
| Manufacturer | HELIO |
| Model | AG-R |
| Year Built | 1984 |
| Manufacturer's Serial Number | A-1 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | IO-720 |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 400 hp (298 kW) |
| Type of Registrant | Corporation |
| Owner Name | HELIO AIRCRAFT LTD |
| Street | PO BOX 604 |
| City | PITTSBURG |
| State | KS |
| Zip Code | 66762 |
| Country | US |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1984-12-05 |
| Last Action Date | 2006-07-07 |
| Last Status | Expired Dealer |
| Cancellation Date | 2011-07-20 |
| Mode S Code | 51246665 |
| Mode S Code Hex | A54DB5 |