Ba me...no giai thich tam bay tam ba..minh khong lam trong Air trafice controller ma minh con biet,,,,khi muon ha do cao xuong thi rat la quan trong...chu khong phai muon ha la ha,,,cung khong duoc ha tu 2500-2800...vi phai coi tren tang do cao do co may bay dang bay khong,,,vi may bay cung giong nhu xe hoi,,,nhung ho phan chi ranh gioi la do cao,,,cho du o do khong co nui thi cung khong duoc ha do cao va neu co ha. phai cho biet nguyen nhan, va neu da~ ha thi chi duoc bay trong vong thoi gian ngan.

Noi chung minh thay day khong phai hoan toan loi cua phi cong..vi phi cong khong biet o do co nui cao,,,nguoi dieu khien khong luu nen biet dieu nay khi may bay qua khu do..se co mot ngon nui cao 3000M...nen phai du do cao hon 3000m..Nhu vay chung to nguoi dieu khien khong luu co the khong co kinh nghiem hoac nguoi moi. Dong thoi nguyen nhan vi sao phi cong lai ha do cao thi dang trong vong dieu tra.

Bua sao giai thich thi giai thich ngan gon cho nguoi ta de hieu...dong thoi dung co di voi den ket luan..som 90% loi cua con nguoi ( thi du tai sao phi cong lai ha do cao: co the nguyen nhan den bao dong ap xuat tren may bay bao hieu..cho nen phi cong yeu cau ha. do cao. Co the do loi ky~ thuat nen ap xuat tren may bay bi bao sai lam)....