After the first observation and issuing of SNOWTAM, if the snowf
分类: 执照英语题发布时间: 2023-12-01 12:13浏览量: 0
After the first observation and issuing of SNOWTAM, if the snowfall continues or runway ices over, observation should be made every _______hour(s), and new SNOWTAMs should be issued until all flights are finished.