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
Airline (brand) Musical Instrument Company, and Harmony Company. Valco was notable for its flagship National and budget Supro guitar brands, which were in production until the company's demise in 1968. Valco Airline guitars have been played by a wide array of bands and artists including: J. B. Hutto, David Bowie, The Cure, PJ Harvey, Calexico and Jack White. Airline-branded amplifiers were also marketed. These were manufactured by Valco and Danelectro. The early 1960s JB Hutto Montgomery Airline model was reissued by Eastwood Guitars in the early 2000s under the name of the Airline DLX, after the company purchased the rights to the