For Visual, Sound and Radio Communications. Offshore yachtsmen need to keep a copy of this book onboard. One day you may need it. The International Code of Signals (Pub. 102) publication contains descriptions and graphic depictions of a specific vocabulary of signals and the various methods used to transmit them. The Code is intended to cater primarily to situations related to safety of navigation and personnel, especially when language difficulties arise CHAPTER 1.a??SIGNALING INSTRUCTIONS CHAPTER 2.a?? GENERAL SIGNAL CODE CHAPTER 3.a??MEDICAL SIGNAL CODE CHAPTER 4.a??DISTRESS AND LIFESAVING SIGNALS AND RADIOTELEPHONE PROCEDURES CHAPTER 1 SIGNALING INSTRUCTIONS SECTION 1: EXPLANATION AND GENERAL REMARKS SECTION 2: DEFINITIONS SECTION 3: METHODS OF SIGNALING SECTION 4: GENERAL INSTRUCTIONS SECTION 5: FLAG SIGNALING SECTION 6: FLASHING LIGHT SIGNALING SECTION 7: SOUND SIGNALING SECTION 8: RADIOTELEPHONY SECTION 9: SIGNALING BY HAND FLAGS OR ARMS MORSE SIGNALING BY HAND FLAGS OR ARMS SECTION 10: MORSE SYMBOLSa??PHONETIC TABLESa??PROCEDURE SIGNALS MORSE SYMBOLS PROCEDURE SIGNALS SINGLE LETTER SIGNALS SINGLE LETTER SIGNALS WITH COMPLEMENTS SINGLE LETTER SIGNALS BETWEEN ICEBREAKER AND ASSISTED VESSELS Это и многое другое вы найдете в книге International Code of Signals (national geosptial-intelligence agency)