Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N99449.
| Tail Number / N-Number | N99449 |
| Manufacturer | KOCH |
| Model | TWIN SPORT |
| Manufacturer's Serial Number | JFK001 |
| Aircraft Type | Fixed wing single engine |
| Category | Amphibian |
| Builder Certification | Not 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 | Individual |
| Owner Name | KOCH JEFF F |
| Street | PO BOX 453 |
| City | PETALUMA |
| State | CA |
| Zip Code | 94952 |
| Country | US |
| Certificate Issue Date | 1977-07-18 |
| Last Action Date | 1977-07-23 |
| Last Status | Certificate of Registration has been revoked |
| Cancellation Date | 2009-09-17 |
| Mode S Code | 53362205 |
| Mode S Code Hex | ADE485 |