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
Song (airline) into Delta. Virgin Islands Cyril E King Intl Airport The following destinations were discontinued prior to the merging of operations. On April 30, 2006, the final Song flight operated from Las Vegas to Orlando. Song aircraft were merged into Delta Air Lines's mainline fleet. All Song Boeing 757 jets were reconfigured in a 26/158 First Class/Economy configuration. Song (airline) Song, LLC was a low-cost air service within an airline brand owned and operated by Delta Air Lines from 2003 to 2006. Song's main focus was on leisure traffic between the northeastern United States and Florida, a market where it competed