In addition to the fact that there was clear pressure on the pilots, it also turned out that the pilot managing a aircraft had a raid only twenty -six hours. In addition, the altimeter was put incorrectly, which was set to normal pressure of 760 mm, which is why in inconsistent weather conditions, showed with a big difference. As a result, the height determined by the altimeter turned out to be one hundred and seventy meters less, and landing was carried out on autopilot.