A single-engine propeller plane carrying four people crashed into a mountain on Saturday in central Japan, with all the passengers apparently hurt including two who were unconscious, police and the transport ministry said.The crash occurred around 3 p.m. in the town of Tateyama, Toyama Prefecture, when the Cessna 172P was traveling from Toyama airport to Matsumoto airport in neighboring Nagano Prefecture during what appeared to be a training flight, they said.The police said they received an emergency phone call from a man believed to be one of the passengers on the crashed plane."Four peop…READ FULL ARTICLE