Bird-strike risk assessment based on the risk matrix method in Xinqiao International Airport,Hefei City
In order to provide a theoretical basis for the airport management department to formulate long-term, targeted and dynamic bird strike prevention countermeasures, in this study, a bird survey was conduct-ed at Hefei Xinqiao International Airport round the year (from January to December, 2021), and 22698 birds were recorded. 171 species of birds from 17 orders and 49 families were identified, five bird strike impact factors, namely, body weight, flock, quantity, flight height and activity time were selected as the assessment indicators, the risk matrix method was used to assess the bird strike risk of different bird species, and the bird strike risk of dif-ferent bird species was evaluated using the risk matrix method, with high, medium, and low risk levels and corre-sponding risk acceptance criteria. The evaluation results showed that among the active bird species at the airport, 10 species could lead to high risk of bird strike, 15 species had medium risk, and the remaining 146 species had low risk. Comparison of the results of the evaluation with the 179 bird strikes that occurred at the airport during the period of 2014-2021 for which the responsible bird species are known showed that the 10 species evaluated as high risk had an average annual number of bird strikes of evenly one time per year, including three times bird strike symptoms , while the 15 species at medium risk had 0.4 times per year, containing one bird strike symptom , and the 146 species at the average rate was quite low in the birds with low-risk levels, only 0.04 times per year, indicating that the bird strike symptom was absent. Consequently, the usage of the risk matrix method inferring from five selected factors was applicable to knowing the bird-strike risk at Hefei Xinqiao International Airport. The results of this study provided some fundamental data for the airport bird-strike prevention work.
Hefei Xinqiao international airportbird diversitythe risk matrix methodimpact factor of bird-strikesassessment of bird-strikes risk