1990
乱気流 タービュランス Turbulence 1997
1990
1930
1990
2000
1980
1950
1980
1990
1980
1940
1980
1950
1940
1930
1940
1970
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
1990
1990