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156 HELICOPTER AIR SERVICE PROGRAM COMPARATIVE SUBSIDIES TOTAL DOLLARS PER YEAR U.S. TRANSPORTATION SUBSIDIES TABLE ILLUSTRATION THE TURNING POINT IS TODAY SPRINGBOARD FOR THE FUTURE Achievements within sights: Twin-engines turbine helicopters in airline service at home and abroad. Self-sufficient service established at five top U.S. terminals. full all weather VTOL service supporting 98 percent regularity. Fifty to seventy seat city center VTOL airliner stimulated to service. THE FUTURE, 1970-75 Two-thirds airline passengers travel less than 500 miles. 70 percent of aircraft departures go under 500. Traffic will have doubled at main terminals. Ground and air congestion is slowing down the air transportation system.