Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N6421K.
| Tail Number / N-Number | N6421K |
| Manufacturer | DOWNER |
| Model | REPUBLIC RC-3 |
| Manufacturer's Serial Number | 666 |
| 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) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 87 miles per hour |
| Type of Registrant | Individual |
| Owner Name | ACOSTA ANTONIO A |
| Street | 147 CENTRAL AVE |
| City | OLD TAPPAN |
| State | NJ |
| Zip Code | 07675 |
| Country | US |
| Certificate Issue Date | 1991-02-26 |
| Last Action Date | 1994-02-16 |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 1994-12-30 |
| Mode S Code | 52067456 |
| Mode S Code Hex | A86F2E |