A supervision device configured for communicating with an onboard edge computation device onboard an aircraft, the onboard edge computation device configured for executing software applications related to at least one onboard electronic device with certified operation, the supervision device comprising a human-machine interface and being configured for receiving observability signals from the edge computation device, the observability signals comprising data relating to local computing resources of the onboard edge computation device and information relating to the execution of at least one of the software applications, the supervision device comprising at least one computing processor configured for:
- computing a state of operation of the edge computation device and a state of execution of the at least one software application from the received observability signals;
- and
- displaying the state of operation and the state of execution on said human-machine interface.