The Code is intended for communications between ships, aircraft and authorities ashore during situations related essentially to the safety of navigation and persons; it is especially useful when language difficulties arise. The Code is suitable for transmission by all means of communication, including radiotelephony and radiotelegraphy.
IMO Code: IA994E
Chapter I Explanations and general remarks
Chapter II Definitions
Chapter III Methods of signalling
Chapter IV General instructions
Chapter V Flag signalling
Chapter VI Flashing light signalling
Chapter VII Sound signalling
Chapter VIII Radiotelephony
Chapter IX Morse signalling by hand-flags or arms
Chapter X Morse symbols – phonetic tables – procedure signals
Chapter XI Single-letter signals
Chapter XII Single-letter signals with complements
Chapter XIII Single-letter signals between ice-breaker and assisted vessels
Chapter XIV Identification of medical transports in armed conflict and permanent identification of rescue craft
General section
I Distress – emergency
Abandon
Accident – doctor – injured / sick
Aircraft – Helicopter
Assistance
Boats – rafts
Disabled – drifting – sinking
Distress
Position
Search and rescue
Survivors
II Casualties – damages
Collision
Damages – repairs
Diver – underwater operations
Fire – explosion
Grounding – beaching – refloating
Leak
Towing – Tugs
III Aids to navigation – navigation – hydrography
Aids to navigation
Bar
Bearings
Canal – channel – fairway
Course
Dangers to navigation – warnings
Depth – draught
Electronic navigation
Mines – minesweeping
Navigation lights – searchlight
Navigating and steering instructions
Tide
IV Manoeuvres
Ahead – astern
Alongside
To anchor – anchor(s) – anchorage
Engines – propeller
Landing – boarding
Manoeuvre
Proceed – under way
Speed
Stop – heave to
V Miscellaneous
Cargo – ballast
Crew – persons on board
Fishery
Pilot
Port – harbour
Miscellaneous
VI Meteorology – weather
Clouds
Gale – storm – tropical storm
Ice – Icebergs
Ice-breaker
Atmospheric pressure – temperature
Sea – swell
Visibility – fog
Weather – Weather forecast
Wind
VII Routeing of ships
VIII Communications
Acknowledge – answer
Calling
Cancel
Communicate
Exercise
Reception – transmission
Repeat
IX International Health Regulations
Pratique messages
Tables of complements
Medical section
Table of contents
Instructions
I Request for medical assistance
II Medical advice
Tables of complements
Medical index
Appendices
Appendix 1 – Distress signals
Appendix 2 – Tables of signalling flags
Appendix 3 – Table of life-saving signals
Appendix 4 – Radiotelephone procedures
General index