"Mayak" type fishing freezer trawler
design 502
 PHOTOS
 LIST OF VESSELS 



 In total 134 units were built from 1962 to 1969 in USSR. Also on the basis of design 502 were built trawlers of folowing types: "Nereida" type tuna longliner (design 502A), "Sargassa" type refrigerating trawler (design 502R), "Slava Kerchi" type freezer trawler (design 502G), "Olga" type freezer trawler (design 502M),  "Zheleznyy Potok" type freezer trawler (design 502E), "Vasiliy Yakovenko" type  freezer trawler (design 502EM), about ten small intelligence ships and anti-submarine ships for Soviet naval forces, two refrigerated transports for Soviet naval forces.
 15 trawlers were built for Ghana, 5 were built for Cuba. Also about 10 vessels were built for Indonesia, Vietnam, Greece and Sri Lanka.
Purpose of the vessel:     - fishing by means of trawl or drift net
    - production of frozen and salted fish, fish preserves
    - transport of processed cargo to port
Length OA (m) 54.20
Length BP (m) 50.40
Breadth extreme (m) 9.37
Molded breadth (m) 9.30
Depth to upper deck (m) 4.70
Load draught, average (m) 3.955
Displacement (tonnes) 912
Deadweight (tonnes) 305
Gross tonnage / Net tonnage (register tons)
 680 / 252
Carrying capacity (tonnes) 160
Main engines:
    - Main engine number, power (Bhp each)
1*800
    - Main engine model
8NVD 48A-U
    - Speed of rotation (r.p.m.)
 300
Auxiliary diesel generators:
    - Diesel engine number, power (Bhp each)
3*150
    - Speed of rotation (r.p.m.)
 750
    - Engine model
 6NVD 24
    - Generators number, power (kW each)
 3*100
    - Generator model
 SSED 409-8
    - Rated voltage (V)
390
    - Current type
 AC
Emergency diesel generator:
    - Diesel engine power (Bhp)
 n/a
    - Speed of rotation (r.p.m.)
n/a
    - Engine model
n/a
    - Generator power (kW)
n/a
    - Generator model
n/a
    - Rated voltage (V)
n/a
    - Current type
 AC
Emergency lighting:
    - Storage batteies number, capacity (Ah each)
 4*60
    - Voltage (V) 24
Fish processing plant capacity:
    - Frozen fish (tonnes/24 hrs)
6
    - Fish preserves (cans per minute)
 22
    - Salted fish (tonnes/24 hrs)
 4.5
Refrigerated cargo spaces number, total cubic capacity (cub. m) 2*355
Dry cargo holds for cans storage (cub. m) n/a
Ref. temperatures (C) -18
Refrigerants Ammonia
Derricks number, lifting capacity (tonnes) 1*1.5; 1*2.0
Warping winch:
    - Type LETr-3
    - Drag force (ton-force)
 6.0
    - Pulling speed (m/min)
 60
    - Rope capacity (m)
 1800
    - Rope diameter (mm) 20
Diesel oil tanks (tonnes) 127
Heavy fuel oil tanks (tonnes)
 n/a
Fresh water tanks (tonnes)
 78
Speed (kn) 12.0
Heavy fuel oil tanks (tonnes) n/a
Number of beds for crew 31
Number of units 134
Year of beginning of construction of vessels of this type 1962
Year of the end of construction of vessels of this type 1969
Built by     - Volgogradskiy SSZ, Volgograd, USSR
    - Khabarovskiy SSZ im.Kirova, Khabarovsk, USSR
    - Yaroslavskiy SSZ, Yaroslavskiy, USSR
    - SSZ Leninskaya Kuznitsa, Kiev, USSR
Notices:
        - During construction of a series of vessels of one type, in their design some changes can be made and the above-stated characteristics can be changed insignificantly.
        - The above-stated characteristics belong to the vessel "Yaroslavskiy Komsomolets" (source - Fishing industry fleet. Reference book. 1972). Other possible versions of the corresponding characteristic can be specified in brackets.
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