There are a number of items, classed as dangerous goods, which passengers may not carry on board an aircraft and compressed gas is one of these. The regulations pertaining to these items are complex and as is frequently the case in life, there are exceptions to the rules.
The RYA requested clarification of the facts regarding the carriage of 33g carbon dioxide cylinders used to inflate boating life-jackets from Civil Aviation Authority (CAA). The CAA confirmed that one of the exceptions to the regulations which forbids the carriage of dangerous goods in passengers' baggage is for no more than two small carbon dioxide cylinders fitted into a self-inflating life-jacket for inflation purposes, plus no more than two spare cartridges , but this exception ONLY applies with the approval of the airline.
If you are intending to take a life-jacket with you when flying the CAA recommend that passengers contact their airline when booking their flights and obtain written confirmation of the airline s policy on the carriage of life-jackets and their inflation cartridges.
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