Description: The equipment of aircrafts by the difficult onboard equipment and armament complexes on the basis of board digital computers resulted to substantial expansion of their combat application and increasing of tasks quality implementation. However, a presence on the aircrafts of the difficult systems was led to substantial maintenance complication. Therefore the efficiency of modern aircraft combat application substantially depend on the ground combat control system, engineering-aviation and fieldtechnical support. So it seems that it is impossible in modern conditions, and even by a mistake, to consider the problem of aircrafts combat application (question of efficiency) without consideration of descriptions of the ground combat control system, engineering-aviation and field-technical support.
Keywords: combat aviation complex, criterion of efficiency, index of efficiency