1. Increase of the still water loads can occur in collisions with vessels and other objects; grounding, explosion; during salvage operations – anti heeling, unloading before removal from ground or during fire extinguishing. 2. Increase of the still water loads can occur not only in collisions or other reasons (flooding of the supertanker "Marpessa", etc.), but also during removal from a grounding incident by unloading (10 % - 15 % from the initial displacement). 3. Change of loading can occur by virtue of properties of the cargo in the flooded compartment – oil spill, dissolution of raw sugar, etc.