Cargo is the weight of property carried on an aircraft including, for example, the weight of vehicles, excess baggage, and diplomatic bags, but excluding mail and passengers' and crews' permitted luggage. Cargo in transit through the airport on the same aircraft is excluded. International services are services flown between the United Kingdom, Isle of Man and the Channel Islands, and places outside. Data are also supplied by the Orkney Islands Shipping Company. 11.29 Coastwise traffic is traffic between ports of the United Kingdom.
Foreign traffic is traffic between ports in the United Kingdom and other countries.
One port traffic comprises dredged sand, gravel etc. Domestic traffic is coastwise plus one port traffic. See also note 11.7. Travel for all private purposes is included. Journeys in the course of work are included if they fulfill the requirement that the main reason for the journey is for the traveller to reach the destination.