The SMCP was has been compiled with these major - the first and maybe the most important one was to provide required input in the navigational safety and provide assistance when standardizing the language commonly used during the communication in the course of the navigation at sea and also at the approaches to the ports, in harbors and waterways when the vessels are manned with multilingual crews; another purpose was to provide assistance to the maritime training entities in meeting all objectives stated above.
These communication phrases should not actually be intended to contradict or supplant the COLREG or any other special local recommendations or IMO Rules, neither are they expected to supersede the ICS; it should apply in full compliance with all relevant procedures that have been set out in the ITU Radio Regulations.
Moreover, it shall not be treated as a technical manual providing any operational instructions. We would recommend to use the publication as often as practically possible in preference to any other words or phrases of similar meaning. The accompanying CD (to be installed from included pack of files) is designed to familiarize people with the pronunciation.