The invention relates to a device for aiding remote-diagnosis in the course of an endoscopy of an aircraft engine, comprising at least one endoscope used in situ by a first operator to capture images of said engine and to perform measurements, and at least one remote terminal used by at least one second operator to analyse said video images and to transmit a diagnosis to the operator.

The device according to the invention further comprises a wireless communication interface allowing the operator to exchange with the expert, in real time and interactively, the images captured and the results of the measurements performed.