Definition of Montreal Protocol in English:

Montreal Protocol


  • 1Each of four protocols signed in Montreal in 1975 concerning the presumed liability of an international air carrier in the event of death or injury to a passenger or delay, damage to, or loss of cargo or baggage.

  • 2An international agreement signed in Montreal in September 1987, which prescribed regulations restricting the production and use of substances damaging to the stratospheric ozone layer.


1970s; earliest use found in ICAO Bulletin.