本文件已被宣布为“非现行”。因此，建议本文件不适用于新设计。“非现行”指的是那些以前被广泛引用的文件，并且在一些现有设计中可能会继续需要这些文件。规定主要用于涡轮驱动民用运输飞机的动力装置火灾探测仪器的最低要求，其运行可能会使仪器受到第。3.3.

This document has been declared “NONCURRENT”. It is recommended, therefore, that this document not be specified for new designs. “NONCURRENT” refers to those documents which have previously been widely referenced and may continue to be required on some existing designs.To specify minimum requirements for powerplant fire detection instruments for use primarily in turbine powered civil transport aircraft, the operation of which may subject the instrument to environmental conditions specified in Para. 3.3.