Helicopter • Sikorsky • SH-3 Sea King, VH-3 Presidential, S-61A Passenger, S-61N Civilian, S-61R Cargo
| Manufacturer | Sikorsky |
| Model | S-61 |
| Category | Helicopter |
| Variants | SH-3 Sea King, VH-3 Presidential, S-61A Passenger, S-61N Civilian, S-61R Cargo |
| Production Years | 1959 – 1981 |
| Seating | 15, 22 seats |
| Typical TTAF | 8,500 hours |
| Markets | United States, Canada, United Kingdom, Japan, Australia |
| Price Range | $250K – $1.2M |
The Sikorsky S-61 is a mid-size, twin-engine transport helicopter that first flew in 1959 and became one of the most successful and widely-used helicopters of its era. Originally developed for the U.S. Navy as the SH-3 Sea King, the S-61 established itself as the definitive platform for anti-submarine warfare, search and rescue, and transport missions. The aircraft features a distinctive amphibious hull design, allowing operations from both land and water surfaces. Its two General Electric T58 turboshaft engines provide exceptional reliability and redundancy, while its rotor system allows for vertical lift and hovering capabilities essential for maritime operations. The S-61 saw extensive service with military forces worldwide, including the U.S. Navy, Coast Guard, and numerous allied nations. Civilian operators employed the aircraft for passenger transport, offshore oil rig support, and emergency medical services. The helicopter's rugged construction, proven performance record, and adaptability made it particularly valuable for demanding environments. Though production ended in 1981, many S-61 variants remain in active service globally, particularly in specialized roles. The aircraft's legacy demonstrates the effectiveness of its design philosophy and engineering excellence.
Maximum Speed: 196 mph
Cruise Speed: 136 mph
Range: 625 miles
Service Ceiling: 14,700 feet
Engine Type: Two General Electric T58-GE-10 turboshafts
Maximum Takeoff Weight: 20,500 pounds
Empty Weight: 12,087 pounds
Fuselage Length: 54 feet 8 inches
Main Rotor Diameter: 62 feet