The capacity of the fishing platforms and bowsprit installed on a 

 skipjack boat determines the number of fishermen, 



6, Water spray installations 



This is a special type of installation which utilizes the habits of 

 the skipjack to the advantage of the fisheryo A galvanized iron spray 

 pipe about 75 millimeters in diameter is attached from the end of the 

 bowsprit along the edges of the fishing platforms to the stern. A 

 suitable number of spray nozzles are provided and a pump in the engine- 

 room supplies water for the spray » The power of the pump is determined 

 by the amount of water required and the distance to which it is desired to 

 spray it, 



7., Communi'ations equipment 



rnis is essential for the safety of the vessel as well as to keep a 

 firm grasp on the fishing situation and to operate the boat economically. 



According to figures published in October 19a7 by the Survey Depart- 

 ment of the Fisheries Bureau,, Ministry of Agriculture and Forestry, there 

 were as of June 194-7 1;,4.20 skipjack and tuna boats registered with a total 

 displacement of 60,4.79 tons^ giving an average per boat of 4-2 tons. 



Table 3 Skipjack and Tuna Boats (70 tons and over) and 

 Organizations Operation Them (October 194-7) 



Organization 



Number of Vessels Organization Number of Vessels 



Ichimaru Fisheries COc 

 Inui Steam-ship 

 Uwashima Trs' 

 Kawanami '^ .- 

 Kan to Fii^ 

 Kato Fisheries 

 Kyokuyo Wh-ling 

 Kyodo Fi-.:.-rie3 

 Klyotoshl Fishing 

 Goyo F" --aeries 

 Kosei i 1 sher ie s 

 Sarkel Fisheries 

 Sank J- Steamship 

 ShOiNQ Fishing 

 Shima Fisheries 

 Joyo Fishing 

 Takaoka Fisheries 

 Daito Fishing 

 Taiyo Fisheries 

 Taiy5 Fishing 

 Taiko Steamship 

 Tagomura Fisheries 

 TaKrayo Fisheries 

 Tokai Fisheries 



3 



25 



2 



1 

 2 

 1 



1 



'+4 



