Fiberglass aid vessels KM. Nelayan 2018 with a size of ≤5 gross tonnage not all can be directly used by local fishermen. Cilacap Regency received 7 aid vessel and it had to renovate. The renovation related to technical design factors, while it is still not yet be reviewed. This study aims to identify and compare differences in technical design factors between the aid vessel and the local vessel. Identification method by direct observation, including measurements of the main dimensions, shape of the hull and bow, general arrangement and working area. The identification data is compared to get the differences. Observation results show that the aid vessel have a ratio of L/D and L/B between local vessel values they are 8,96 from 7,72-9,20 and 13,33 from 12,92-14,11, but have the smallest value at B/D which is 1,49 from 1,51-1,71. The Hulls shape have same type, they are "u-bottom". The shape of the bow and the stern also have the same shape, they are raked bow and transom stern, but height of aid vessel bows is 1,9 m, it is higher than the average of local vessels which only 1,34 m. The height of the engine mount at the stern is also too high at 56 cm, while the average on the local vessel is 53 cm. The general arrangement and working area almost same. The vessel feature, safety and security factors of fishermen need to be improved in aid vessel.
Keywords: feature, fiberglass fishing vessel, technical factor design