During calendar years 1970 and 1971, the control tower at Palo Alto, a general aviation airport with consistently good weather, kept an hourly total log of aviation activities by the categories: local general aviation, itinerant general aviation, local military, itinerant military, air carrier, and instrument operation. The log was maintained for 16 hours per day, from 8:00 a.m. until midnight. This report presents and discusses 15 qualitative data reference graphs and 48 quantitative data tables, including the detailed source data listing. It also discusses the qualification of the source data, mentions some of the more obvious conclusions which may be drawn from it, and encourages its further analysis and use. (Author)
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