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Anti-submarine warfare helicopter for the U.S. Navy. 73 built and two conversions from SH-3As. [4] VH-3D VIP Presidential transport helicopter (better known as Marine One) for the U.S. Marine Corps, 11 built. It entered service in 1976. [60] SH-3G Cargo, utility transport helicopter for the U.S. Navy. 105 conversions from SH-3A and SH-3D. [4] SH-3H
The H3 was designed for the flight training, utility and personal-use roles.It was designed to comply with the European Class 6 microlight helicopter rules, in particular the French Class 6 Microlight Category, at a gross weight of 450 kg (992 lb).
The Sikorsky S-61R is a twin-engine helicopter used in transport or search and rescue roles. A developed version of the S-61 (the SH-3 Sea King), the S-61R was also built under license by Agusta as the AS-61R.
The H-3 was a two-seat general purpose helicopter. It had a duraluminium tube superstructure, an open cockpit and landing gear of metal skids. The design is typical of ultralight helicopters of the period, being powered by tip-jets — two ramjets, one at the tip of each rotor blade.
The helicopter route to Khulna reduced the 21-hour journey overland to 37 minutes by air. 20 towns and cities covered by the network, including Bogra, Sirajganj, Chittagong, Mongla, Kushtia, Barisal, Chandpur, Sandwip and Hatiya Upazila. The average price of a ticket was 25 rupees. It was the world's largest commercial helicopter network at the ...
In 1980, the American Helicopter Society International offered a prize of US$10,000 for the first human-powered helicopter flight (60-second duration, a height of 3 meters, and staying within an area of 10 x 10 m) and soon increased prize money to US$25,000. In 2010, Sikorsky Aircraft pledged to increase the prize sponsorship to US$250,000.
The Eurocopter X³ (X-Cubed) is a retired experimental high-speed compound helicopter developed by Airbus Helicopters (formerly Eurocopter).A technology demonstration platform for "high-speed, long-range hybrid helicopter" or H³ concept, [1] the X³ achieved 255 knots (472 km/h; 293 mph) in level flight on 7 June 2013, setting an unofficial helicopter speed record.
The VFW-Fokker H3 Sprinter was a single-engined experimental rotorcraft designed and built in West Germany. Two aircraft were produced by VFW-Fokker in the early 1970s, registered D-9543 and D-9544 .