Abstract
The article describes a possible solution of the boundary problem for the long rope and underwater hydroacoustic antenna system with density insignificantly greater than the density of the water and small rigidity. There is only known a point of rope connection to the ship and depth on which the end of the towed object is placed. The paper presents the analysis of the towed antenna system with rope and calculation form of the system, forces of weights, buoyancy force and lift with changeable longitudinal rope's tension. The results of calculations give us information about the depth of dip of the antenna end point in function of ship speed and lengths of ropes towing. Other results of antenna bending in horizontal plane allow us to define an error in measurements of antennas. Taking into account this error if will give us better accuracy of the executed measurement by the underwater hydroacoustic antenna towed by a maneuvering ship.
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