本航空航天标准（AS）确立了主要用于亚音速飞机的燃油和油量指示系统部件的基本最低性能要求，其运行可能会使部件受到本文规定的环境条件的影响。

This Aerospace Standard (AS) establishes the essential minimum performance requirements for Fuel and Oil Quantity Indicating System components primarily for use on subsonic aircraft, the operation of which may subject the components to the environmental conditions specified herein.