Division BOP.BAS.180 Use of supplemental oxygen

The pilot-in-command shall ensure that:

1. (a)

   all crew members engaged in performing duties essential to the safe operation of the balloon use supplemental oxygen continuously whenever he or she determines that, at the altitude of the intended flight, the lack of oxygen might result in impairment of the faculties of crew members; and

2. (b)

   supplemental oxygen is available to passengers when lack of oxygen might harmfully affect them.