INTRODUCTIONPART I THE INTERNATIONAL CODE OF SIGNALS1 The Significance of the International Code of Signals1.1 History1.2 Purpose1.3 Carriage Requirement2 Signal Code2.1 Single-letter Signals2.2 Two-letter Signals2.3 Three-letter Signals2.4 Coding and Decoding3 Single-letter Signals with Complements3.1 Bearing and Distance3.2 Course and Speed3.3 Latitude and Longitude3.4 Date and Time4 Ship's Callsign and MMSI4.1 Ship' s Callsign4.2 Maritime Mobile Service IdentityPART II MARINE SIGNALS5 Light Signalling5.1 What is the Morse Code5.2 How to Learn the Morse Code5.3 How to Transmit the Morse Code5.4 Morse Code Procedure Signals and Signs5.5 Component Part of a Message5.6 Examples of Transmission of Messages6 Flag Signalling6.1 International Signal Flags6.2 Usage of International Signal Flags6.3 Methods of Flag Signalling6.4 Flag Etiquette7 Miscellaneous Signals7.1 Distress Signals7.2 Morse Signalling by Hand-flags or Arms7.3 Sound Signalling7.4 Voice Over Loud Hailer7.5 Semaphore Signalling7.6 Life Saving Signals7.7 Single-letter Signals between Ice-breaker and Assisted Vessel7.8 Domestic Harbour SignalsPART III RADIOTELEPHONE COMMUNICATION8 Type of Radiotelephone on Board Ship8.1 Medium Frequency Radiotelephone8.2 High Frequency Radiotelephone8.3 VHF Radiotelephone8.4 Ultrahigh Frequency Radiotelephone8.5 Duplex and Simplex Channel for HF and VHF Radiotelephone8.6 Radiotelephony Silence Periods9 Summary of the Standard Marine Communication Phrases9.1 Background9.2 Characteristics of SMCP9.3 Synopsis of SMCPl0 Transmission of Basic Elements in Radiotelephony10.1 Numbers10.2 Letters10.3 Measurements and Quantities10.4 Time10.5 Date10.6 Position11 Procedure of Plain Language Communication11.1 Exchange Procedure11.2 Broadcast Procedure11.3 Distress， Urgency and Safety Procedure12 Message Markers12.1 The Purpose and General Rules of Using Message Markers12.2 How to Use Message Markers12.3 Example for General Usage of Message Markers13 Communication for Preventing Collision13.1 How to Make Positive Identification13.2 Matters Needing Attention14 Communication Radiotelephony in VTS Water Areas14.1 Reference Information and Chart Symbols Concerned14.2 Reporting Content and Format14.3 Communication for Conduct of Navigation14.4 Notes for Communication in VTS Area15 Ship Reporting System15.1 General Principles for Ship Reporting System15.2 Type of Reports15.3 Standard Reporting Format and Procedures15.4 AMVER System15.5 MASTREP15.6 CHISREP System15.7 JASREP System15.8 Special Telephone Message Formats in Ship Reporting （VTS） Areas16 Communication in Search and Rescue Operations16.1 Significance of the Search and Rescue Communication16.2 Standard Messages Used in SAR Operations17 Code Message Communication17.1 Procedure17.2 Example of Code Message Communication18 Radiotelephony in GMDSS18.1 Outline18.2 Radiotelephone Services in INMARSAT System18.3 Ship-shore Distress， Urgency and Safety Radiotelephony through Satellite19 Basic Rules for the Use of Radiotelephone19.1 General19.2 Use of Radiotelephony Calling and Working Frequencies20 Practice for Radiotelephony20.1 Part 1 Code Messages for Marine Radiotelephone Communication20.2 Communication with Shore Stations before Transiting Canals20.3 Report to the Vessel Traffic Service Centre When in the VTS Water Areas20.4 Calling an Unknown Ship to Prevent Collision20.5 Radiotelephone Distress Course20.6 Urgent VHF Calls20.7 Navigation Warning20.8 Agent Service20.9 Radiotelephone Communication in Dover StraitEXERCISEExercise for Part IExercise for Part IIExercise for Part IIIAPPENDIX IMO STANDARD MARINE COMMUNICATION PHRASES ： PART ABIBLIOGRAPHY