5.4.2. Assistance From the Advance and Removing the Disabled Rail Traffic to the Advance

The assisting Rail Traffic Crew must:
 before removing the Disabled Rail Traffic to the advance station, be in possession of
the Half Pilot Key from the advance Location;
 remove the Disabled Rail Traffic as Authorised by the Train Controller;
 advise the Train Controller when the Section is Clear; and
 replace the Half Pilot Key