The China Electrotechnical Society group standard T/CES181-2022 "Technical Guidelines for Helicopter Patrol Operations of Overhead Transmission Lines in High Altitude Areas" was proposed by the China Electrotechnical Society and drafted and compiled by State Grid Power Space Technology Co., Ltd. and other units. This standard stipulates the technical requirements for preliminary preparation, operation implementation, safety management, and results of helicopter patrol operations for overhead power transmission lines in high-altitude areas.
T/CES 181-2022 history
2022T/CES 181-2022 Guidelines for helicopter patrol overhead transmission line in high altitudes area