1990
乱気流 タービュランス Turbulence 1997
1990
1980
1980
1960
2020
2000
1950
1990
1930
1980
1990
1980
1970
1930
1950
2000
1990
1990
2000
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990