本航空航天标准确立了失速警告仪表的基本最低安全性能标准，主要用于涡轮驱动的亚音速运输机，其运行可能会使仪表受到第3.4段中规定的环境条件的影响。本标准涵盖失速警告仪器，以向飞行员提供即将发生失速的正面警告。本标准中定义的失速是飞机可控的最低稳定飞行速度。

This Aerospace Standard establishes the essential minimum safe performance standards for stall warning instruments primarily for use with turbine powered subsonic transport aircraft, the operation of which may subject the instruments to the environmental conditions specified in paragraph 3.4. This standard covers stall warning instruments to provide positive warning to the pilot of an impending stall. Stall, as defined for the purpose of this standard, is the minimum steady flight speed at which the airplane is controllable.