POSSIBLE FOUNDATIONS OF CERTAIN SIMPLE MECHANICAL ANALOGIES IN HYDROMECHANICSA. B. Airapetov UDC 532.525.2 Consideration is given to an approach qualitatively illustrating a formal substantiation of the analogies between Eulerian hydrodynamic systems and finite-dimensional mechanical systems of the oscillator type. State Scientific-Research Center at the Prof. N. E. Zhukovskii Central Aero-Hydrodynamics Institute, 17 Radio Str., Moscow, 107005, Russia. Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 76, No. 6, pp. 52-53, November-December, 2003. Original article submitted December 6, 2002.