. . . "Role of wind tunnels and computer codes in the certification and qualification of rotorcraft for flight in forecast icing"@en . . . . . . . . . . . . . . . . . . . . . . . . . "Airplane Climate factors." . . "Wind tunnel tests." . . "Aircraft icing." . . "Helicopters." . . "Certification." . . "Applications programs (Computers)" . . "Flight conditions." . . . . "Flight safety." . .