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Aviation History
1953
1953 - 0120.PDF
The World's Helicopters WEIGHTS ABOVE 6,000 lb (cont.) SIKORSKY S-S5 • This highly successful 12-seater is widely used by the U.S.A.F. (H-19), U.S. Navy (HO4S-1 and 2) and U.S. Marine Corps (HRS-I and 2), and has acquitted itself with great distinction in Korea; particulars appear on pages 103 and 116. A production licence for the S-55 has been granted to the French'S.N.C.A.S.E. group, as well as to Westland Aircraft, Ltd. Military versions have already demonstrated a ferry range of 1,000 miles with auxiliary fuel, and for rapid deployment to the most remote areas an aircraft of this type can easily be loaded into a Fairchild Packet (or any larger and as easily loaded military transport) by virtue of its quick-disassembly features. SIKORSKY S-56 • Sponsored by the U.S. Navy Bureau of Aeronautics, this 20-passenger transport is to be powered with two Pratt and Whitney R-2800 Double Wasp engines. SIKORSKY S-57 • A project so designated is for a converta- plane, under the U.S.A.F./Army programme. SIKORSKY S-58 • Bearing the U.S. Navy designation XHSS-i, this machine is described as an anti-submarine scout. Hughes XH-17. (Below) Hughes civil project. Piasecki PD-22 Work-horse (YH-21). • . " v • •• . •'••;• ;. ••43£ i
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