1990
乱気流 タービュランス Turbulence 1997
1990
2000
1960
1950
2000
1960
1980
1970
1970
1990
1990
1970
2000
2010
1960
1950
1980
1940
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