Of extreme importance in the duties of the loading master-PIC is continuous radio communication with the vessel person-in-charge who will be a Tankerman-PIC if transferring with a barge or a deck officer of the Merchant Marine if the transfer is with a tanker ship.
A crucial duty for the loading master-PIC includes maintaining constant radio communication with the vessel's person-in-charge. This individual would be a Tankerman-PIC during transfers with barges and a deck officer from the Merchant Marine when transferring with tanker ships.