1. First paragraph .. ‘start to become obsolete’. Translate the word obsolete.
Achterhaald, in onbruik raken
2. Are pilotless planes already being tested for safety?
Yes, Boeing is already testing autonomous planes at Moses Lake, Washington.
3. Why does Eric Schmidt, the CEO of Google, think that autonomous planes won’t happen anytime soon?
Because the training and timing around handling emergencies such as engine failure at rotation are not going to be transferable to autopilots and machines.