Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N4437C.
| Tail Number / N-Number | N4437C |
| Manufacturer | SEMPLE RAY |
| Model | VARIVIGGEN |
| Manufacturer's Serial Number | 413MS1 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Mode S Code | 51254422 |
| Mode S Code Hex | A55912 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N4437C.
| Tail Number / N-Number | N4437C |
| Manufacturer | KOLB |
| Model | TWIN STAR |
| Manufacturer's Serial Number | GRC-1 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Last Action Date | 1998-02-25 |
| Last Status | N-Number assigned as a Non Type Certificated (Amateur) but has not been registered that is pending cancellation |
| Cancellation Date | 2011-06-14 |
| Mode S Code | 51254422 |
| Mode S Code Hex | A55912 |