LOT Polish Airlines Flight 5055 accident's cause was similar to that of LOT Polish Airlines Flight 007's crash seven years earlier. After the disaster of Flight 007, the Polish investigatory commission established that its engine shaft disintegration was the result of metal fatigue; improper alloy preparation resulting in a defective mechanism which was less resistant to fatigue; and a faulty design of the engine shaft. Detection of these faults was possible only after complete disassembly of the engine and detailed analysis of all its elements, and as such was beyond the capabilities of aircraft maintenance personnel. These concerns were addressed by the Polish Government's Special
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