Sailing school Ultra as a member of ISSA (International sailing school association) offers it's attandants ISSA certificates which attendants can show worldwide their proof of sailing knowledge depending which course they took at our sailing school. 

Keelboat level 1,2,3 and Yacht level 1,2,3 all depending on which course you took at sailing school Ultra clearly explaines what kind of actions you are allowed to do on the sailboat. 

Programs of sailing school Ultra offers to future sailors all neccessary knowledge to gain an ISSA certificate. 

Find out more about ISSA - http://www.sailingschools.org