AirAsia shares slumped after it became known that the company's plane Airbus A320-200 disappeared over the Java Sea, Reuters says. Stock value dropped 11.6%. According to the agency data, the current rate is the lowest for AirAsia shares since November 28. Since the beginning of 2014, the company's stock value inched up 21.4%. Airbus A320-200 performing the flight QZ8501 from the Indonesian city of Surabaja disappeared from radar on Saturday night. In the words of the carrier, the last time the pilot contacted him was at 06:17 local time (23:24 GMT Saturday) when he requested the route data. In an hour approximately the jet was to land at Singapore. Given that it did not happen and there was no contact with the plane, it was declared as missing. The search began right after the plane's disappearance and stopped due to the coming night and unfavorable weather conditions. The search operations continued on Monday morning, December 29. Vice-president of Indonesia Jusuf Kalla expressed the opinion that the plane was, most likely, crashed. The CEO of AirAsia called not to speculate about the jet's fate and to wait for the search results.