U.S. civil rotorcraft accidents, 1963 through 1997 [microform] / Franklin D. Harris, Eugene F. Kasper, Laura E. Iseler ([NASA technical memorandum] ; NASA/TM-2000-209597)
U.S. civil rotorcraft accidents, 1963 through 1997 [microform] / Franklin D. Harris, Eugene F. Kasper, Laura E. Iseler
原資料の出版事項: Moffett Field, Calif. ; Hanover, MD : National Aeronautics and Space Administration, Ames Research Center : Available from NASA Center for AeroSpace Information, [2000]