Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N6688K.
| Tail Number / N-Number | N6688K |
| Manufacturer | REPUBLIC |
| Model | RC-3 |
| Year Built | 1947 |
| Manufacturer's Serial Number | 971 |
| Aircraft Type | Fixed wing single engine |
| Category | Amphibian |
| Builder Certification | Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | FRANKLIN |
| Engine Model | 6A8 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 215 hp (160 kW) |
| Average Cruising Speed | 87 miles per hour |
| Type of Registrant | Individual |
| Owner Name | MARTIN JAMES M W |
| Street | NORTH STREET PO BOX 29 |
| City | GREENWICH |
| State | CT |
| Zip Code | 06836 |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1955-01-12 |
| Certificate Issue Date | 1977-02-11 |
| Last Action Date | 2009-12-17 |
| Last Status | Registration Expired – Pending Cancellation |
| Cancellation Date | 2014-12-22 |
| Mode S Code | 52152553 |
| Mode S Code Hex | A8D56B |