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GB/T 46906-2025: Technical specification for marking and light of aviation obstacles
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GB/T 46906-2025: Technical specification for marking and light of aviation obstacles

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ICS 29.140.40 CCSK73 National Standards of the People's Republic of China Technical Specifications for Aviation Obstacle Markings and Obstacle Lights Published on 2025-12-31 Implemented on July 1, 2026 State Administration for Market Regulation The State Administration for Standardization issued a statement.

Table of contents

Preface III 1.Scope 1 2 Normative References 1 3.Terms and Definitions 1 4.Technical requirements for obstruction lights 2 4.1 Classification 2 4.2 Environmental Requirements 2 4.3 Design Requirements 3 4.4 Performance Requirements 8 5.Obstruction light test and inspection 13 5.1 Environmental Testing 13 5.2 Routine Inspection 14 5.3 Electrical Tests 15 5.4 Control Equipment Inspection 16 5.5 Optical Experiment 16 5.6 Light Intensity Level Variation Experiment 16 5.7 System Flash Test 17 6.Marking Technical Requirements 17 6.1 General Requirements 17 6.2 Color Code 17 6.3 Flags and Symbols 19 6.4 Obstacle Ball 19 7.Marker test and inspection 19 7.1 Surface color 19 7.2 Color Code 20 7.3 Flags and Symbols 20 7.4 Obstacle Balls 20 8 Inspection Rule 20 8.1 Inspection Classification 20 8.2 Factory inspection 20 8.3 Conformity Inspection 20 9.Nameplates, instructions, packaging, transportation and storage 22 9.1 Nameplate 22 9.2 Instruction Manual 22 9.3 Packaging, Transportation and Storage 22

Foreword

This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents". Drafting. Please note that some content in this document may involve patents. The issuing organization of this document assumes no responsibility for identifying patents. This document was proposed by the Civil Aviation Administration of China. This document is under the jurisdiction of the National Technical Committee on Standardization of Air Transport (SAC/TC464). This document was drafted by. China Academy of Civil Aviation Science and Technology, Hubei Provincial Institute of Metrology and Testing Technology, and Shanghai Shidaizhiguang Lighting Appliance Co., Ltd. Testing company, Second Research Institute of Civil Aviation Administration of China. The main drafters of this document are. Zhang Qingchun, Liu Yuhong, Guo Jingcheng, Zhuo Jia, Shen Yang, Wang Ye, Bian Daiquan, and Liu Yiyang. Technical Specifications for Aviation Obstacle Markings and Obstacle Lights

1 Scope

This document specifies the technical requirements for aviation obstruction lights (hereinafter referred to as "obstruction lights") and markings on obstacles, and the testing and inspection methods. Laws, inspection rules, as well as nameplates, instructions, packaging, transportation and storage. This document applies to obstruction lights installed on fixed buildings, structures, moving objects within airport flight zones, overhead cables, and other obstacles. Research, development, production, and testing of the logo.

2 Normative references

The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are not included. For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies. This document. GB/T 191 Packaging and Storage Graphic Symbols GB/T 2423.1 Environmental testing of electrical and electronic products – Part 2.Test methods – Test A. Low temperature GB/T 2423.2 Environmental testing of electrical and electronic products – Part 2.Test methods – Test B. High temperature GB/T 2423.4 Environmental testing of electrical and electronic products – Part 2.Test methods – Test Db. Alternating damp heat (12h) cycle) GB/T 2423.17 Environmental testing – Part 2.Test methods – Test Ka. Salt spray GB/T 2423.24 Environmental testing – Part 2.Test methods – Test S. Simulated solar radiation on the ground and solar radiation tests and climate aging test guidelines GB/T 4208 Degrees of protection provided by enclosures (IP code) GB/T 7000.1 Luminaires – Part 1.General requirements and tests GB/T 7256.1-2022 Civil Airport Navigation Lighting Fixtures Part 1.General Requirements GB/T 9254.1 Electromagnetic compatibility of information technology equipment, multimedia equipment and receivers – Part 1.Emission requirements GB/T 9969 General Rules for Instructions for Use of Industrial Products GB/T 17626.5 Electromagnetic compatibility testing and measurement techniques - Surge (impulse) immunity test

3 Terms and Definitions

The following terms and definitions apply to this document. 3.1 beam spread angle On a specified plane, the angle between two directions in which the light intensity is equal to 50% of the specified minimum peak light intensity. 3.2 Vertical aiming angle The angle between the direction of maximum light intensity emission and the horizontal plane. 3.3 effective intensity The effective light intensity of a flash is equivalent to that of a constant-color light source that produces the same field of view under the same observation conditions. ...