KNVvL
KNVvL is the Dutch name of the Royal Netherlands Aeronautical Association (RNAA) founded in 1907. It is a non-governmental and non-profit making national organisation with the basic aim of furthering aeronautical activities and airsports in the Netherlands. There are eleven sections for the different disciplines of airsports and interest, divided in flying and non-flying skills.
Flying:
General Aviation, Skydiving, Gliding, Paragliding, Deltagliding, Ballooning, Modelling and Historic Aviation.
Non-Flying:
Aviation Knowledge, Aviation Science and the General Aviation Interest.