Under which conditions, no harzards should be expected for a balloon ride?

Question

Question Quiz BPL Gas - Balloon Pilot License - Operational Procedures

QuizVDS · Accepted Answer

With high pressure areas before sunset

QuizVDS · Answer

With an warm front approaching

QuizVDS · Answer

With an cold front approaching

QuizVDS · Answer

Close to showers or thunderstorms

Id 378 - BPL Gas - Under which conditions, no harzards should be expected for a balloon ride?