By Jacques Billeaud And Lisa Baumann A small medical transport plane crashed and caught fire Tuesday on the Navajo Nation in northern Arizona, killing four people, the tribe said in a statement. A Beechcraft King Air 300 from the CSI Aviation company left Albuquerque, New Mexico, with two pilots and two health care providers, according to the Federal Aviation Administration and CSI Aviation. It crashed in the early afternoon near the airport in Chinle, about 300 miles (483 kilometers) northeast of Phoenix. “They were trying to land there and unfortunately something went wrong,” district Police Commander Emmett Yazzie said. The crew was planning pick up a patient who needed critical care from the federal Indian Health Service hospital in Chinle, said Sharen Sandoval, director of the Navajo Department of Emergency…