When refuelling is being conducted with passengers embarking or disembarking:
a. Refuelling is strictly prohibited whilst passengers are embarking or disembarking b. All flight crew must be on board
c. Communications shall be maintained by ground crew and qualified crew on board
d. The stairs shall be fully extended
a. Refuelling is strictly prohibited whilst passengers are embarking or disembarking b. All flight crew must be on board
c. Communications shall be maintained by ground crew and qualified crew on board
d. The stairs shall be fully extended