The engines are also used on Airbus planes, including the A320. It said in a second statement that the causes had not been disclosed and that any previous comments were not official.ДЄll Boeing 737 NG planes use CFM56 engines manufactured by CFM, a joint venture between the US manufacturer General Electric and the French manufacturer Safran. However, UkraineвЂ™s embassy in Iran dropped an initial reference to engine failure as the cause of a Ukrainian plane crash outside Tehran on Wednesday. The pilot of the aircraft then lost control of the plane, sending it crashing to the ground, Biniaz was quoted as saying by the state-run Irna news agency. The UIA plane had taken off from Imam Khomeini international airport in the Iranian capital when a fire struck one of its engines, said Qassem Biniaz, a spokesman for IranвЂ™s road and transportation ministry. More recently some Boeing 737-800 planes have had safety issues, with groundings caused by cracks between the wing and fuselage in the so-called вЂњpickle forkвЂќ structure. As of February 2019 more than 4,900 had been delivered, although it has been superseded by the 737 Max, the US manufacturerвЂ™s fastest-selling model. The 737-800, a single-aisle aircraft that can carry 189 passengers, was launched in September 1994 as part of the 737 Next Generation (737 NG) lineup. The Boeing 737-800 model used by Ukraine International Airlines (UIA) that crashed in Tehran on Wednesday is the most popular aircraft in the sky, used by airlines from Ryanair to American Airlines.Д«oeingвЂ™s short-haul workhorse is the predecessor to the 737 Max, the model that was grounded after two fatal crashes in 20.

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