: The version in force today is SOLAS 1974 , which entered into force in 1980. It introduced the "tacit acceptance" procedure, allowing amendments to enter into force automatically on a set date unless a specific number of countries object—this ensures the treaty remains up-to-date with modern technology. Core Structure (The 15 Chapters)

: Subsequent major revisions were adopted in 1929, 1948, and 1960.

: The first version of SOLAS was adopted in 1914 directly in response to the RMS Titanic disaster. It introduced requirements for lifeboats, emergency equipment, and continuous radio watches.

The is the most important international treaty concerning the safety of merchant ships. It establishes minimum standards for the construction, equipment, and operation of vessels to protect human life at sea. History & Origins