A system of equations determining normal congruences with focal surfaces (bicylinders) is found in a biaxial space of hyperbolic type by using a moving frame of the space and the method of Cartan exterior forms. The geometric construction of these congruences is presented.
Translated from Ukrainskii Matematicheskii Zhurnal, Vol. 45, No. 5, pp. 718–720, May, 1993.