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GB/T 5743-2025 English PDF

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GB/T 5743-2025: Marine pilot
Status: Valid

GB/T 5743: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 5743-2025English679 Add to Cart 5 days [Need to translate] Marine pilot Valid GB/T 5743-2025
GB/T 5743-2010English279 Add to Cart 3 days [Need to translate] Marine autopilot Valid GB/T 5743-2010
GB/T 5743-1994English399 Add to Cart 3 days [Need to translate] General technical specifications of the marine autopilot Obsolete GB/T 5743-1994
GB 5743-1985English319 Add to Cart 3 days [Need to translate] General specifications of autopilot Obsolete GB 5743-1985

Standard similar to GB/T 5743-2025

GB/T 51033   GB/T 50082   GB/T 5743   

Basic data

Standard ID GB/T 5743-2025 (GB/T5743-2025)
Description (Translated English) Marine pilot
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard U65
Classification of International Standard 47.020.70
Word Count Estimation 34,335
Date of Issue 2025-08-01
Date of Implementation 2026-02-01
Older Standard (superseded by this standard) GB/T 5743-2010, GB/T 10846-1989, GB/T 11876-2007, GB/T 11877-2010
Issuing agency(ies) State Administration for Market Regulation, Standardization Administration of China

GB/T 5743-2025: Marine pilot

---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/GBT5743-2025
ICS 47.020.70 CCSU65 National Standard of the People's Republic of China Replace GB/T 5743-2010, GB/T 10846-1989, GB/T 11876-2007, GB/T 11877-2010 Marine steering gear Released on August 1, 2025 Implementation on February 1, 2026 State Administration for Market Regulation The National Standardization Administration issued

Table of Contents

Preface III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Technical Requirements 2 4.1 General requirements 2 4.2 Composition 3 4.3 Function 3 4.4 Performance 7 4.5 Materials 9 4.6 Interface 9 4.7 Magnetic compass safety distance 9 4.8 Environmental Adaptability 9 4.9 Enclosure protection 10 4.10 Electromagnetic Compatibility 10 4.11 Appearance 10 5 Test Methods 10 5.1 Composition 10 5.2 Function 10 5.3 Performance 12 5.4 Materials 13 5.5 Interface 13 5.6 Magnetic compass safety distance 13 5.7 Environmental Adaptability 14 5.8 Enclosure protection 14 5.9 Electromagnetic Compatibility 14 5.10 Appearance 14 6 Inspection Rules 14 6.1 Inspection categories 14 6.2 Type inspection 14 6.3 Factory Inspection 15 7 Markings and Labels16 8 Packaging, transportation and storage 16 8.1 Packaging 16 8.2 Transportation and storage 16 Appendix A (Normative) Test Method for Automatic Control of Ship Heading 17 A.1 Test conditions for automatic ship heading control 17 A.2 Ship heading automatic control stability accuracy test 17 A.3 Ship heading maneuvering test 17 Appendix B (Normative) Ship Track/Track Direction Automatic Control Test Method 19 B.1 Track automatic control test method 19 B.2 Track direction automatic control test 22 Appendix C (Normative) Automatic Control Stability Accuracy and Deviation Calculation Method 24 C.1 Heading Deviation 24 C.2 Maximum heading deviation 24 C.3 Stable Accuracy Calculation Method I --- Mean Absolute Error Calculation Method (MAE) 24 C.4 Stability Accuracy Calculation Method II --- Root Mean Square Error (RMSE) 25 Appendix D (Normative) Track Control Scenario Definition 26 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 5743-2010 “Marine automatic steering instrument” and GB/T 10846-1989 “Marine magnetic compass automatic steering instrument”. GB/T 11876-2007 "General Technical Requirements for Marine Follow-up Pilots" and GB/T 11877-2010 "Gyrocompass for Marine Use" Combined Steering Instrument" and other four steering instrument related standards. Compared with GB/T 11876-2007, in addition to structural adjustments and editorial changes, the main technical changes are as follows. --- Changed and integrated terms and definitions (see Chapter 3, GB/T 5743-2010, GB/T 10846-1989, GB/T 11877- 2010, Chapter 3 of GB/T 11876-2007); --- Changed and integrated technical requirements (see Chapter 4, GB/T 5743-2010, GB/T 10846-1989, GB/T 11877- 2010, Chapter 4 of GB/T 11876-2007); --- Added "track control" and other requirements and test methods [see 4.3.1.2b) and 5.2.2.2b)]; --- Added "override" and other functions (see 4.3.1.3); --- Changed and integrated the test methods (see Chapter 5, GB/T 5743-2010, GB/T 10846-1989, GB/T 11877- 2010, Chapter 5 of GB/T 11876-2007); --- Integrate and modify the inspection rules (see Chapter 6, GB/T 5743-2010, GB/T 10846-1989, GB/T 11877- 2010, Chapter 6 of GB/T 11876-2007); --- Added the test method for automatic control of ship heading (see Appendix A); --- Added the ship track/track direction automatic control test method (see Appendix B); --- Added automatic control stability accuracy and deviation calculation method (see Appendix C); --- Added track control scenario definition (see Appendix D). 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 No. 707 Research Institute, Jiujiang CSSC Instrument Co., Ltd. (No. 44 Factory 1). The main drafters of this document are. Liu Jian, Liu Hongguang, Wu Mingxian, Su Chang, Sun Lingyuan, Du Yazhen, Luo Yongping, Ouyang Pan, Liao Yixin, Diao Peiteng, Zhu Wenli, Zhu Jiangtao, Cai Wei, Zhang Yu, and Wang Zhiyong. The previous versions of this document and the documents it replaces are as follows. ---First issued as GB/T 5743-1985 in 1985, first revised in.1994, second revised in.2010; ---First published in 1989 as GB/T 10846-1989; --- First published as GB/T 11876-1989 in 1989, first revised in.2007; --- First published as GB/T 11877-1989 in 1989, first revised in.1999, second revised in.2010; --- This is the third revision of GB/T 5743, which incorporates GB/T 10846-1989 "General Technical Specifications for Marine Magnetic Compass Automatic Steering Instruments" GB/T 11876-2007 "General Technical Requirements for Marine Follow-up Steering Instruments" and GB/T 11877-2010 "General Technical Requirements for Marine Follow-up Steering Instruments" The contents of "Gyrocompass combined steering instrument". Marine steering gear

1 Scope

This document specifies the technical requirements, inspection rules, marking and labeling, packaging, transportation and storage of marine steering instruments (hereinafter referred to as "steering instruments"). The corresponding test methods are described. This document applies to the design, manufacture and acceptance of steering gear for steering gear, azimuth thrusters and jet thrusters.

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. GB/T 2423.101-2008 Environmental testing for electric and electronic products Part 2.Test methods Test. Tilt and swing GB/T 4208-2017 Degrees of protection provided by enclosures (IP code) GB/T 13384 General technical requirements for packaging of electromechanical products GB/T 31843 Digital interfaces for maritime navigation and radiocommunication equipment and systems GB/T 32065.2 Environmental test methods for marine instruments Part 2.Low temperature tests GB/T 32065.4 Environmental test methods for marine instruments Part 4.High temperature tests GB/T 32065.6 Environmental test methods for marine instruments Part 6.Steady state damp heat test GB/T 32065.10 Environmental test methods for marine instruments Part 10.Salt spray test GB/T 32065.14 Environmental test methods for marine instruments Part 14.Vibration test GB/T 36911 Transport Packaging Guidelines GB/T 37417 Maritime navigation and radiocommunication equipment and systems Track control system operation and performance requirements, test methods and Required test results IEC 60945.2002 Maritime navigation and radiocommunication equipment and systems – General requirements – Test methods and required test results

3 Terms and Definitions

The following terms and definitions apply to this document. 3.1 Track error The distance between the vessel's position and the current planned leg of the voyage. Note. Track deviation is expressed as a negative value when the ship's position is to the left of the current planned course (also known as the planned leg course), and as a positive value when it is to the right (i.e. "left negative"). Right"). 3.2 Track keeping accuracy The degree of conformity between the track control result and the set track.

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