Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N6197C.
| Tail Number / N-Number | N6197C |
| Manufacturer | SIKORSKY |
| Model | S-51 |
| Year Built | 1948 |
| Manufacturer's Serial Number | 5198 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | P&W |
| Engine Model | R-985 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 450 hp (336 kW) |
| Average Cruising Speed | 77 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | TROPI COPTERS INC |
| Street | HANGAR 239 INTL ARPT |
| City | HONOLULU |
| State | HI |
| Zip Code | 96800 |
| Country | US |
| Last Action Date | 1977-01-14 |
| Last Status | Certificate of Registration has been revoked |
| Cancellation Date | 2009-09-16 |
| Mode S Code | 52011575 |
| Mode S Code Hex | A8137D |