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