Crew members of a Russian amphibious plane unload the luggage after landing on Pangkalan Bun Airport in Pangkalan Bun, Indonesia, Jan. 3, 2015. Supriyadi, operation and training director of Indonesian Forces and National Search and Rescue Agency said that Russia has sent two planes, one of which is an amphibian plane, to partake in the search operation. Russian team has also brought undersea scanning equipments to locate the plane's black box devices. (Xinhua/Agung Kuncahya B.)