561. General average loss of ship and equipment.

In the case of the ship, her tackle, machinery or other equipment, no question of general average sacrifice arises where the loss takes place through the use of the ship in the ordinary way1. However great the peril, it is the duty of the shipowner, in the due performance of the contract, to do everything possible to save both ship and cargo, and for that purpose to make use of all the appliances with which the ship is provided2.

To constitute a general average sacrifice there must be an intentionally abnormal use of the ship3 or of her equipment4. Thus,