EFFECTS OF WIND SHEAR ON FLIGHT OPERATIONS IN SAM MBAKWE AIRPORT, IMO STATE, NIGERIA

I C Onwuadiochi, M A Ijioma, Emmanuel E Ezenwaji, M C Obikwelu

Abstract


This paper examined wind shear and its relationship with aircraft operations using Sam Mbakwe Airport, Imo State as a case study. Data on wind shear and aircrafts operations were collected from Nigerian Meteorological Agency (NIMET) and Nigerian Civil Aviation Authority (NCAA) of the airport respectively for the period of one and half years.Correlation and Regression Analyses were carried out for the measured wind shear and flight delays and cancellations. The study revealed that the wind shear measured at 20m above ground level had weak positive relationship with flight delays and cancellations. This implies that as wind shear increases, both flight delays and cancellations also increase. The correlation between wind shear
measured at 20m above ground level and flight delays and cancellations were 0.195 and 0.392 Respectively, showing that the measured wind shear was responsible for 51.4 percent and 67.1 percent of the flight delays and cancellations respectively. The regression relationship formulated was significant for the entire hypotheses because the P-values of the ANOVA were less than 0.05. Since the relationship was significant, the expressions can be used to predict the extent of flight delays and cancellations if the wind shear is known. The study therefore recommended that there should be training and retraining of the observers, meteorologists and
engineers working with NIMET, so as to avert the negative effects of wind shear in the aviation industry in Sam Mbakwe Airport in particular and in various Nigerian Airports.


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