exactly my point, you can know "how to fly" but you need to be trained on specific aircraft, not only that, you need to be trained on landing / takeoff on that

exactly my point, you can know "how to fly" but you need to be trained on specific aircraft, not only that, you need to be trained on landing / takeoff on that aircraft into specific airports. In fact I used to work on software that helped manage pilots / aircrews and schedule them onto aircraft and maintain legal requirements, certifications, etc.