A mount for an aircraft engine arranged to be attached firstly by a beam to the aircraft, and secondly by lateral and a median load transmission elements to the engine, the mount having an integrated load transmission and failsafe assembly arranged to ensure the continuity of load transmission in the event of failure of a load transmission element and to perform its failsafe function in unitary, concentrated fashion in the median zone of the mount. The mount is characterized by the fact that the load transmission and failsafe assembly includes an assembly of a female clevis with two wings and of a projecting element passing with clearance through the two wings of clevis, one being integral with the engine and the other with the mounting beam.