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。根据第3.3节规定的环境条件，可使用陀螺稳定仪表。本航空标准包括直接式和重复式陀螺稳定倾斜和俯仰指示仪表。

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 the minimum requirements for gyroscopically stabilized Bank and Pitch Indicating Instruments for use in aircraft, the operation of which may subject the instruments to the environmental conditions specified in Section 3.3. This Aeronautical Standard covers both direct and repeating type gyroscopically stabilized Bank and Pitch Indicating Instruments.