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