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GB/T 46906-2025Technical specification for the marking and lighting of aviation obstacles (English PDF)

航空障碍物标志与障碍灯技术规范

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

December 31, 2025

Implementation date

July 1, 2026

Scope

GB/T 46906-2025 is the English-translated version of 航空障碍物标志与障碍灯技术规范.

GB/T 46906-2025 is the Chinese standard "Technical specification for the marking and lighting of aviation obstacles". Its scope clause reads: 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. Its clauses include terms and definitions.

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Document preview — GB/T 46906-2025

National Standard of the People's Republic of China

ICS: 29.140.40
Classification: K 73

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

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

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.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 26 pages — is available in the English PDF.

Referenced standards

Normative references

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