In the late 1950s, the pioneering X-18 "Propelloplane" marked an ambitious foray into tiltwing and V/STOL technology for the U.S. Air Force. Built from assorted aircraft parts, including contra-rotating propellers and powerful turboprop and turbojet engines, the X-18 embarked on 20 test flights that uncovered significant challenges, such as sensitivity to wind gusts and
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airhart s final flight. and i hope to accomplish something really scientific reply worthwhile for aviation. and visit with aviation pioneer stanley hiller. the helicopter is an entirely new type of vehicle and is more versatile in its operation than any other type of equipment, land, air or sea. all straight ahead on second look. good evening, i m julie haener and this is second look. last month the aviation world celebrated a significant anniversary for the bay area s role in international air travel. it was on november 22, 1935 that the panam s first china clipper took off from san francisco bay. an estimated crowd of 125,000 people turned out to see the pioneering flight from alameda awful air station to hawaiian, on to the philippines, midway i ll island and eventually to china. the first flight was load we had mail but no passengers. post master general james farly was on hand and handed edwin a letter from franklin roosevelt to be delivered to the presiden