"Sargassa" type refrigerating trawler
project 502R

 PHOTOS
LIST OF VESSELS 



 In total 39 units were built from 1968 to 1973 at Yaroslavl. This design is modified "Mayak" type. About six vessels were built for Soviet naval forces as refrigerated transport. Vessels "Afalina", "Paliya" and "Antur" in 90s were transferred to Russian federal boundary patrol service.
Purpose of the vessel:     - fishing using pelagic and ground trawl, purse net
    - cooling of catch, production of salted fish
    - transport of processed cargo to port
Length OA (m) 54.15 (54.23)
Length BP (m) 50.40
Breadth extreme (m) 9.37
Molded breadth (m) 9.30
Depth to upper deck (m) 4.76
Load draught, average (m) 3.73
Displacement (tonnes) 963
Deadweight (tonnes) 309
Gross tonnage / Net tonnage (register tons)
600 / 234
Carrying capacity (tonnes) 149
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*210 (3*150)
    - Speed of rotation (r.p.m.)
750
    - Engine model
6Ch 18/22 (6NVD 24)
    - Generators number, power (kW each)
3*100
    - Generator model
GSS 103-8M (SSED 409-8)
    - Rated voltage (V)
390
    - Current type
AC
Emergency diesel generator:
    - Diesel engine power (kW)
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)
6*60
    - Voltage (V) 24
Fish processing plant capacity:
    - Salted fish (tonnes/24 hrs)
4.5
Refrigerated cargo spaces number, total cubic capacity (cub. m) 2*418
Dry cargo holds for cans storage (cub. m) n/a
Ref. temperatures (C) -5...0
Refrigerants Ammonia
Derricks number, lifting capacity (tonnes) 3*1.5; 1*2.0
Trawl winch:

    - Type LETr-3-1
    - Drag force (ton-force)
6.0
    - Pulling speed (m/min)
60
    - Rope capacity (m)
1800
    - Rope diameter (mm) 20.0
Diesel oil tanks (tonnes) 142.7
Heavy fuel oil tanks (tonnes)
n/a
Fresh water tanks (tonnes)
75
Speed (kn) 11.7
Number of beds for crew 31
Number of units 39
Start of building 1968
Finish of building 1973
Built by Yaroslavskiy SSZ, Yaroslavskiy, USSR
Notices:
        - During construction of a series of vessels of one project, in their design some changes can be made and the above-stated characteristics can be changed insignificantly.
        - The above-stated characteristics are taken on the vessel "Verkhnevilyuysk" (source - Fishing industry fleet. Reference book. 1990; Russian Maritime Register of Shipping). In brackets can be shown other variants of the given characteristic.
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