A shipping document that accompanies the container on its journey to the port of exit and gives carriers, authorities and receiving carriers information about the contents of a shipment. VSA is not the same as Slot Charter. Slot Charter is when a shipping company buys a certain number of slots from a carrier. VSA is when the airlines in a consortium share their slots relative to the capacity each has contributed. If one of the members of the consortium wants more than his contribution, he can buy additional slot machines. It is good to see shipping information that helps new people with terminology this article is of great importance, as very few websites regarding shipping issues. Great job and keep up the pace. vsa and Slot Charter. Who organizes it, the headquarters of Liner or Liner Agent somewhere in the world? Three major maritime alliances (2M, THE Alliance and Ocean Alliance) were created in 2017. A vessel sharing agreement is limited to a specific trade route. On the other hand, a maritime alliance is a set of VSAs and is global in nature.
Shipping alliances can help carriers offer low prices and broad service coverage through economies of scale and benefits of scale. The high structure of the fixed costs of shipping companies is one of the main arguments in favour of cooperation between shipping companies. Regular weekly service between different ports requires investments in a number of ships. They will sail regardless of their occupancy rate.