yacht-related activities "yacht-related activities" means yacht ownership, ownership of aircraft (mainly helicopters) that is carried on board a yacht, yacht management, yacht crewing and training, yacht chartering, yacht broking or otherwise marketing, yacht supplies and services, yacht security, yacht-related recreational or holiday activities or facilities, or any other businesses relating to yachts and yachting as the Registrar may determine; ACT 643 - LANGKAWI INTERNATIONAL YACHTING COMPANIES ACT 2005 2. Interpretation.