LOT Polish Airlines Flight 7 increased engine wear, since the engines were under greater load. NK-8-4 engines were not reliable enough. Warranty service life was only 5000 hours, and about half of LOT engines failed after 2000–3000 hours. Because of this, Polish pilots often called the Il-62 "flying coffins". In spite of the low reliability, the airline decided to increase overhaul life intervals to reduce the frequency of repairs, which were carried out in Soviet factories and quite expensive. LOT sent a letter to the Ilyushin Design Bureau containing the results of a test in which it was found that the engines could operate normally
Letter of Reconciliation of the Polish Bishops to the German Bishops referred to as Letter of Reconciliation of the Polish Bishops to the German Bishops it is actually only one part of the extensive groundbreaking invitation and letter, where they declared: "We forgive and ask for forgiveness" (for the crimes of World War II). It was one of the first attempts at reconciliation after the tragedies of the Second World War, in which Germany invaded Poland; both countries lost millions of people, while millions more, both Poles and Germans, had to flee from their homes or were forcibly resettled. Pope Pius XII had nominated German bishops over Polish dioceses, which was