![]() ![]() It features automatic flight control software that enables the aircraft to land safely with rotorcraft damage forward of the cockpit. The CH-53K will be able to carry a wide range of systems including internal troop seats, external weapons mounts as well as auxiliary fuel tanks. The helicopter’s primary missions include air assault (helicopter infiltration), transport, disaster relief, close air support, search and rescue, anti-submarine warfare and special operations. A winch capable of pulling up 3.5 tons is planned for the cargo hook. It will be able to carry an internal payload of up to 26,000 lb (11 tonnes). ![]() The prototype YCH-53A first flew on 14 October 1964. Sikorsky 's S-65 was selected over Boeing Vertol 's modified CH-47 Chinook version. The helicopter has been designed to operate from various ships including aircraft carriers, amphibious assault ships and land bases. Development H-53 background The Sikorsky CH-53 Sea Stallion came out of the US Marine Corps' (USMC) 'Heavy Helicopter Experimental' (HH (X)) competition begun in 1962. Maximum payload capacity will be 35 soldiers and 60700 kg (136500 lb) of cargo. It can climb at an average rate of 18 m/s. The total value of the programs is estimated at approximately 90 million through 2022. The first deliveries of both seats and cabin armor are scheduled for 2010. The lightweight structures support the CH-53K heavy-lift helicopter’s capability of conducting unrefueled missions carrying 27,000 pounds over 110 nautical miles in high/hot conditions, which is triple the load-carrying capacity of the. BAE Systems has received contracts from Sikorsky Aircraft for development and initial deliveries of CH-53K Cockpit Seats and Cabin Armour Systems. The top speed of the CH-53K is 155 knots, with a range of 800 nautical miles (1,350 km). Spirit is responsible for the composite cockpit and cabin structure with a separately attached tail section. One advantage is that the CH-53K will not lose any lift when an engine fails, since all four rotors’ blades are driven by either of the two available engines. The two inboard rotors are propelled by one engine each, while the two outboard rotors share the power of a single engine. The engines have been developed from commercial aircraft engines. The CH-53K King Stallion is a compound helicopter with two pairs of engines, one on each side: there are two Pratt & Whitney PW207B turbo shaft engines in tandem driving a common gearbox and power all four rotors. There are four aircraft currently in Initial Operational Test and Evaluation with Operational Test and Evaluation. Development of the Sikorsky CH-53K began in 2008 by Sikorsky Aircraft for the US Marine Corps.Ī 2012 Marine Corps Times article listed price estimates upwards of US$77M each in 2016 dollars. The CH-53K is the Marine Corps' heavy lift replacement for the CH-53E. ![]()
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