Simarmata, Linois D2013-01-072013-01-072013-01-07sumarnihttp://repository.unri.ac.id:80/handle/123456789/1157This research was conducted at July 2012 in PT.ASSA Sibolga, North Sumatera Province. The method which used in this research was survey for 11 unit of purse seiners which is choose by purposive sampling. This research purpose to know the level of efficiency of fish’s boat landed and what the factor which influence that. The result of this research can be information for who need this file. The result of the research show that the efficiency of fish’s boat landed is about 48, 57 % until 86, 46 % with the average 71, 78 %. The observer factors can be classified in two group. There are strong factor and weak factor. The strong factor are count of sorting laborer, draft, spent time, and speed loading show the a strong correlation (r = 0,750 until 0,858). While the weak factors are loading laborer, basket laborer, the weights laborer, cart laborer, notes laborer distance between ship to weights meter, fish weight, gross tonnage, fishing trip, and weather condition don’t show strong correlation (r = 0,122 until 0,243) at the efficiency of fish’s boat landed.otherprivate portpurse seinerthe efficiency of fish’s boatthe factors influenceArticle