Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N68351.
| Tail Number / N-Number | N68351 |
| Manufacturer | SIKORSKY |
| Model | R-4B |
| Year Built | 1944 |
| Manufacturer's Serial Number | 136 |
| Aircraft Type | Rotorcraft |
| Category | Amphibian |
| Builder Certification | Type Certificated |
| Number of Seats | 3 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | WARNER |
| Engine Model | SS185 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 200 hp (149 kW) |
| Average Cruising Speed | 56 miles per hour |
| Type of Registrant | Individual |
| Owner Name | SALE REPORTED |
| Street | PO BOX 620610 |
| City | OZARK |
| State | AL |
| Zip Code | 36362 |
| Country | US |
| Airworthiness Classification | Limited |
| Airworthiness Date | 1955-12-15 |
| Last Action Date | 2006-12-05 |
| Last Status | Sale Reported – Canceled |
| Cancellation Date | 2013-02-13 |
| Mode S Code | 52210575 |
| Mode S Code Hex | A9117D |