ISO 24409-3:2014旨在提供船上安全和消防平面图标志的一致使用、位置和尺寸指南，以及提供额外方向信息的适当图形符号和补充文本的使用。ISO 24409-3:2014不适用于ISO 15370中涵盖的低位置照明系统（或此类系统的组件）。

ISO 24409-3:2014 is intended to provide for the consistent use of shipboard safety and fire control plan signs, guidance on their location and size, and for the use of appropriate graphical symbols and supplementary text to furnish additional directional information. ISO 24409-3:2014 does not apply to low-location lighting systems (or components of such systems) which are covered in ISO 15370.