本文件规定了救生衣的安全要求，性能等级275。这是适用的 适用于成人、儿童或婴儿的救生衣，用于恶劣条件下的海上使用，或具有保护性的海上使用 正在使用衣物或正在搬运额外的货物。购买本文件时可获得的所有当前修订均包含在购买本文件中。

This document specifies the safety requirements for lifejackets, performance level 275. It is applicable to lifejackets for adults, children or infants, for offshore use under severe conditions, or when protective clothing is being used or additional loads are being carried.All current amendments available at time of purchase are included with the purchase of this document.