Some are that complex. There are commercial systems that can essentially land a plane all by itself, called CAT IIIb. The pilot takes over after the plane is co

Some are that complex. There are commercial systems that can essentially land a plane all by itself, called CAT IIIb. The pilot takes over after the plane is completely on the ground. In the future the planes will probably be able to taxi without the pilot too. https://en.wikipedia.org/wiki/Autopilot#Autopilot_for_ILS_landings https://en.wikipedia.org/wiki/Autopilot#Autopilot_for_ILS_la... https://en.wikipedia.org/wiki/Instrument_landing_system#ILS_categories https://en.wikipedia.org/wiki/Instrument_landing_system#ILS_...