This document discusses various types of marine losses, including: - Total losses: Actual total losses where the subject is destroyed or damaged beyond repair. Constructive total losses where abandonment is required to avoid actual total loss. Presumed total losses where a missing ship is assumed lost after a period of time. - Partial losses: Losses of part of the insured property or damage to part of the property. These are known as particular average losses. - General average losses: Voluntary sacrifices made for the common safety of the ship, cargo, and freight during a voyage. These losses are proportionally shared between all stakeholders according to York-Antwerp Rules. Piracy may give rise to general average claims