Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N4031K.
| Tail Number / N-Number | N4031K |
| Manufacturer | ROBINSON HELICOPTER COMPANY |
| Model | R44 II |
| Manufacturer's Serial Number | 14117 |
| 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 |
| Type of Registrant | Corporation |
| Owner Name | ROBINSON HELICOPTER CO |
| Street | 2901 AIRPORT DR |
| City | TORRANCE |
| State | CA |
| Zip Code | 90505-6115 |
| Country | US |
| Last Action Date | 2017-09-22 |
| Last Status | Aircraft registered to the manufacturer under their Dealer Certificate |
| Cancellation Date | 2017-09-28 |
| Exported To | CHINA PEOPLES REP |
| Mode S Code | 51135113 |
| Mode S Code Hex | A4BA4B |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N4031K.
| Tail Number / N-Number | N4031K |
| Manufacturer | NORTH AMERICAN |
| Model | NAVION |
| Manufacturer's Serial Number | NAV41031 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 5 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 126 miles per hour |
| Last Status | A second attempt has been made at mailing a Triennial Aircraft Registration form to the owner with no response |
| Cancellation Date | 1989-11-20 |
| Mode S Code | 51135113 |
| Mode S Code Hex | A4BA4B |