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It should have a ferry range of 6,500 nautical miles (12,000 km), [8] and be able to take off and land in Sea State 4, but sustain on-water operations up to Sea State 5, [12] while meeting the United States Department of Defense heavy lift requirements of carrying 90 tons and having a low-cost design and construction philosophy. [7]
Transport helicopters are operated in assault, medium and heavy classes. Air assault helicopters are usually the smallest of the transport types, and designed to move an infantry squad or section and their equipment. Helicopters in the assault role are generally armed for self-protection both in transit and for suppression of the landing zone.
Following the incomplete development of the heavier Mil Mi-12 (prototypes known as Mil V-12) in the early 1970s, work began on a new heavy-lift helicopter, designated as the Izdeliye 90 ("Project 90") [2] and later allocated designation Mi-26. The new design was required to have an empty weight less than half its maximum takeoff weight. [3]
In transportation, heavy lift refers to the handling and installation of heavy items which are indivisible, and of weights generally accepted to be over 100 tons and of widths/heights of more than 100 meters. These oversized items are transported from one place to another (sometimes across country borders), then lifted or installed into place.
The Shuttle-Derived Heavy Lift Launch Vehicle ("HLV") was an alternate super heavy-lift launch vehicle proposal for the NASA Constellation program, proposed in 2009. [ 76 ] A 1962 design proposal, Sea Dragon , called for an enormous 150 m (490 ft) tall, sea-launched rocket capable of lifting 550 t (1,210,000 lb) to low Earth orbit.
The Alenia C-27J Spartan [3] is a military transport aircraft developed and manufactured by Leonardo's Aircraft Division (formerly Alenia Aermacchi until 2016). [4] It is an advanced derivative of the former Alenia Aeronautica's earlier G.222 (C-27A Spartan in U.S. service), equipped with the engines and various other systems also used on the larger Lockheed Martin C-130J Super Hercules.
This article originally appeared on USA TODAY: Storm tracker: Hurricane center watching system in Caribbean. Show comments. Advertisement. Advertisement. In Other News. Entertainment.
Originally a Sikorsky Aircraft product, the type certificate and manufacturing rights were purchased from them by Erickson Air-Crane in 1992. Since that time, Erickson Air-Crane has become the manufacturer and world's largest operator of S-64 Aircranes and has made over 1,350 changes to the airframe, instrumentation, and payload capabilities of the helicopter.
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