FPB-60 is a type of patrol boat built by shipyard in Indonesia to strengthen the needs of water territorial. However. the 20 years age caused a decrease in performance of the vessel. The method used was the harvard guldammer method to calculate water jet system parameters at a maximum velocity of 35 knots such as inlet diameter and nossel diameter. https://parisnaturalfoodes.shop/product-category/bio-coenz-pantethine-b5/