Harter Act immunity

the provisions of the Harter Act relieving an owner from liability to the cargo for errors of management of navigation do not charge him with a warranty. What they say to him is this, that if he wishes the immunity he may have it, but only upon terms. He must do what in him lies by the exertion of due diligence to make the vessel safe and sound. If the management of the ship is in the hands of master and crew, he will be relieved of liability for supervening losses, provided only that his own duty has been fulfilled at the beginning