本规范涵盖25人Mark-7 Mod 2和50人Mark-8 Mod 2充气救生筏，包括充气系统和救生装置，并包装在刚性积载容器内，可作为弃船救生设备使用。

This specification covers the 25-person Mark-7 Mod 2 and 50-Person Mark-8 Mod 2 inflatable life rafts, including inflation system and survival gear, and packed within a rigid stowage container, ready for use as abandon ship survival equipment.