The most up to date version of the International Convention on Standards of Training, Certification and Watchkeeping for Seafarers, 1978 (STCW Convention).
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.