试题详情

If the pilot believes that his radio has failed, what is the proper procedure he will use to inform the controller of the situation?

ATo set the transponder to 7700 for one minute

BTo set the transponder to 7600 for one minute

CTo make a Mayday call on the radio

DTo set the transponder to 7700 for one minute and then change it to 7600 for 15 minutes or until landing