The results of the technological commission of the Interstate Aviation Committee (IAC) will be submitted to the International Civil Aviation Organization (ICAO) for an independent expert conclusion. Ukrainian national security and defense secretary Yevgeny Marchuk told this the press at the end of a meeting of the state commission of Russia and Ukraine on the investigation of the causes of the Tu-154 crash above the Black Sea on October 4. The Ukrainian commission, which has got all the necessary documents from the Russian side, will draw the final conclusions before November 20, said Marchuk. Although during an experiment on the proving ground certain interference was registered (a mirror reflection of the radio signal from the surface of the sea), it cannot be considered the only cause of the air-crash. The Ukrainian commission continues to study the materials of yesterday's experiment and has attracted Russian experts to further work, he said. The anti-aircraft missile complex is a sophisticated technological system and without the participation of representatives of the producer-plant or the design bureau, the Ukrainian military do not want to interfere in the design of the anti-aircraft missile complex and the missile, stressed Marchuk.