- y -

• YAW_BEHAVE_DIR_OF_FLIGHT : AP_Follow
• YAW_BEHAVE_FACE_LEAD_VEHICLE : AP_Follow
• YAW_BEHAVE_NONE : AP_Follow
• YAW_BEHAVE_SAME_AS_LEAD_VEHICLE : AP_Follow
• YES_MIN_PWM : AP_Arming
• YES_ZERO_PWM : AP_Arming