1990
乱気流 タービュランス Turbulence 1997
1990
1940
1940
1980
1970
1960
1960
1990
1990
1980
1940
2000
2000
1970
1960
1950
1970
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