The impacts of fog and thunderstorms on aircraft operations: a case study of Wilson Airport Nairobi Kenya
Adverse weather is the main cause of the alterations to operations at Wilson airport. At Wilson airport, occurrence of fog and low ceiling, cross winds, thunderstorm and heavy rainfall are considered the main causes of adverse weather hampering the aircraft operations. The purpose of this study is to investigate the impacts of fog and thunderstorm on aircraft operations at Wilson airport. The impact is measured in terms of delay, diversion, cancelation and economic value of these actions. The data on fog and thunderstorm data was obtained from Kenya Meteorological Service (Climatological section). Data on delay and diversion was obtained from Kenya Civil Aviation Authority for period of ten years stretching from 2000 to 2009. This was achieved by studying the number of annual and monthly diversion and delay of aircraft due to either fog or thunderstorm occurrence. The results of this study show that DIVERSION was more than DELAY. The delays and diversions are prominent in the month of February and April of each year. The year that registered many of these instances was in 2008 with a highest record of 15 delays and diversions.
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