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www.ChineseStandard.net Database: 189760 (18 Oct 2025)

GB/T 4300-2025 English PDF

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GB/T 4300-2025: Ships and marine technology - Marine gyro-compasses
Status: Valid

GB/T 4300: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 4300-2025English354 Add to Cart 4 days [Need to translate] Ships and marine technology - Marine gyro-compasses Valid GB/T 4300-2025
GB/T 4300-2007English234 Add to Cart 3 days [Need to translate] Ships and marine technology -- Marine gyro-compasses Valid GB/T 4300-2007
GB/T 4300-1994English439 Add to Cart 4 days [Need to translate] General specifications for marine gyrocompasses Obsolete GB/T 4300-1994
GB 4300-1984English279 Add to Cart 3 days [Need to translate] General specification for marine gyrocompasses Obsolete GB 4300-1984

Standard similar to GB/T 4300-2025

GB/T 51033   GB/T 50082   

Basic data

Standard ID GB/T 4300-2025 (GB/T4300-2025)
Description (Translated English) Ships and marine technology - Marine gyro-compasses
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard U65
Classification of International Standard 47.020.70
Word Count Estimation 18,194
Date of Issue 2025-08-01
Date of Implementation 2026-02-01
Older Standard (superseded by this standard) GB/T 4300-2007
Issuing agency(ies) State Administration for Market Regulation, Standardization Administration of China

GB/T 4300-2025: Ships and marine technology - Marine gyro-compasses

---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT4300-2025
ICS 47.020.70 CCSU65 National Standard of the People's Republic of China Replaces GB/T 4300-2007 Ships and marine technology - Marine gyrocompass (ISO 8728.2024, IDT) Released on August 1, 2025 Implementation on February 1, 2026 State Administration for Market Regulation The National Standardization Administration issued

Preface

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents" Drafting. This document replaces GB/T 4300-2007 “Ships and marine technology”. Compared with GB/T 4300-2007, except In addition to structural adjustments and editorial changes, the main technical changes are as follows. --- Added the terms "sub-compass", "bridge alarm management", "central alarm management system" and corresponding definitions (see 3.7, 3.15, 3.16); --- Added abbreviation description (see Chapter 4); --- Added interface requirements and test methods for gyrocompass (see 6.2, 7.11); --- Added gyrocompass alarm management requirements and test methods (see 6.3, 7.12); --- Added gyrocompass display equipment requirements and test methods (see 6.3, 7.1); --- Increased the scope of application of the rain test. only the rain test is performed on outdoor equipment (see 7.10.7); --- Increased the scope of application of mechanical noise test. only the equipment to be installed in the cab and the wings of the bridge shall be tested for mechanical noise. Test (see 7.10.7); --- Added "Gyrocompass alarm definition" (see Appendix B); --- Added "IEC 61162 interface between gyrocompass and VDR and other external devices" (see Appendix C). This document is equivalent to ISO 8728.2024 "Ships and marine technology - Gyrocompasses for ships". Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents. This document is proposed and coordinated by the National Technical Committee for Standardization of Marine Electrical and Electronic Equipment (SAC/TC531). This document was drafted by. China Shipbuilding Industry Corporation (CSIC) Navigation Technology Co., Ltd. The main drafters of this document are. Shen Minya, Yang Zijian, Xu Haiyan, Yang Minhua, Cai Zhongren, He Guoxiang, and Chen Jie. The previous versions of this document and the documents it replaces are as follows. ---First issued as GB/T 4300-1984 in 1984, first revised in.1994, second revised in.2007; ---This is the third revision. Ships and marine technology - Marine gyrocompass

1 Scope

This document specifies the structure of the gyrocompass in accordance with the requirements of Regulation 19 of Chapter V of the International Convention for the Safety of Life at Sea, 1974 (as amended). Structure, performance and type tests. This article applies to marine gyrocompasses used within 60° north and south latitudes.

2 Normative references

The contents of the following documents constitute the essential clauses of this document through normative references in this document. For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to This document. IEC 60945 Maritime navigation and radiocommunication equipment and systems – General requirements, test methods and required test results Note. GB/T 15868-1995 Global Maritime Distress and Safety System (CMDSS) General requirements and test methods for marine radio equipment and maritime navigation equipment and required test results (IEC 60945.1994, IDT). IEC 61162-1 Digital interfaces for maritime navigation and radiocommunication equipment and systems Part 1.Single transmitter and multiple receivers IEC 61162-2 Digital interfaces for maritime navigation and radiocommunication equipment and systems Part 2.Single transmitter and multiple receivers Note. GB/T 31843.2-2019 Digital interfaces for maritime navigation and radiocommunication equipment and systems Part 2.Single transmitter and multiple receiver high High-speed transmission (IEC 61162-2.1998, IDT). IEC 61162-450 Digital interfaces for maritime navigation and radiocommunication equipment and systems Part 450.Multiple transmitters and multiple receivers Note. GB/T 31843.450-2019 Digital interfaces for maritime navigation and radiocommunication equipment and systems Part 450.Multiple transmitters and multiple receivers Ethernet connection (IEC 61162-450.2018, IDT). IEC 62288 Maritime navigation and radiocommunication equipment and systems – General purpose – Display of navigation-related information on shipborne navigation displays IEC 62923-1.2018 Maritime navigation and radiocommunication equipment and systems – Bridge alarm management – Part 1.Operation and performance IEC 62923-2 Maritime navigation and radiocommunication equipment and systems – Bridge alarm management – Part 2.Alarm and group identifiers

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