标准摘要
[中文适用范围]： 的说明，为相关设备的开发和应用提供了技术依据。 ***此介绍可能不准确，请注意参考原文。 [外文原描述]： This recommended practice covers the requirements for gyroscopically stabilized Directional Indicating Systems, which will operate as a 1°/hour latitude corrected, free directional gyro or as a slaved gyro, magnetic compass with 1/2° accuracy.Cross Reference: ARP461
英文名称Directional Indicating System (Turbine Powered Subsonic Aircraft)