Software updates are performed on Boeing and Airbus aircraft frequently. Navigation databases are updated to the flight control computers every 30 days. This is usually accomplished with a portable computer taken on board the aircraft and connected to a data port in the cockpit. 787’s and A350’s have the ability to receive software over wifi. That data is then downloaded by a mechanic from the inbox or repository to the destination hardware. This is done in the flight deck. A mechanic has to verify that the software is the latest and then install it to the particular destination. It cannot be accomplished remotely. Boeing isn’t the only aircraft that require power to be cycled on and off routinely. Airbus 330’s and 350’s do also.
My mistake, nav databases are loaded to the flight management computers, not flight control computers. As for cycling aircraft power, 20 minutes off before restarting is typical.
> Software updates are performed on Boeing and Airbus aircraft frequently. Navigation databases are updated to the flight control computers every 30 days. This is usually accomplished with a portable computer taken on board the aircraft and connected to a data port in the cockpit. 787’s and A350’s have the ability to receive software over wifi. That data is then downloaded by a mechanic from the inbox or repository to the destination hardware. This is done in the flight deck. A mechanic has to verify that the software is the latest and then install it to the particular destination. It cannot be accomplished remotely.
I did not want to go into details because I was not certain, but thanks for filling in those details. I would imagine that what you described is very secure.