CH-53 "Sea Stallion" - the heavy transport helicopter. It is constructed by the company «Sikorsky Aero Engineering Corporation». For the first time has risen in air on October, 14th, 1964 Deliveries have begun in September, 1965 of All 522 helicopters of all updatings (412 in the USA and 110 under the licence in Germany) have been constructed.
CH-53A "Sea Stallion" - initial updating, the desantno-transport helicopter for the marines case; it is supplied originally by two engines capacity on 2125кВт „then engines capacity on 2236кВт. 154 helicopters are put the marines case, from them 6 has been transferred fleet of Iran. In 1968 flight in an automatic mode of following to a lay of land for the first time is carried out.