While MP4 was a major step forward, it was eventually superseded by the Montreal Convention of 1999 (MC99), which came into force on November 4, 2003. MC99 consolidated the various protocols (including MP4) into a single, unified treaty that currently governs most international flights today. 4. Relevance in Aviation Insurance
The international legal framework for aviation began with the Warsaw Convention of 1929 , which established uniform rules for passenger and cargo liability. By the 1970s, many of these rules were outdated. In September 1975, a series of "Additional Protocols" were signed in Montreal to update this system. 41975mp4
It was designed to replace the Hague Protocol of 1955 amendments concerning cargo. 2. Key Provisions of MP4 While MP4 was a major step forward, it
Montreal Protocol No. 4 introduced several critical changes to aviation law: It was designed to replace the Hague Protocol