Well then, I wish you had taught my Brasilia systems class. Two different airlines, both on the Brasilia, and it was still a major PITA when they taught those subjects. I wondered if I received an honorary A&P stamp on my certificate after we got done. Both airlines took the philosophy of "Build the aircraft from the ground up."
When I flew the ATR-72, (same prop hub as the Brasilia), they covered it in 45 minutes. "You have two levers here, two levers there, and these two switches overhead. <--- ATR systems philosophy.