A Vietnamese millitary aircraft crashed during a training flight on Saturday, slightly injuring a resident and damaging a house in the central province of Binh Dinh.
The pilot of of the MiG21 aircraft bailed out after receiving permission from the provincial military headquarters, said Nguyen Ngoc Minh, a military officer based in Binh Dinh.
Bui Thi Cu, 50, was hit by the debris as she worked in the field. The crash also burnt and collapsed the eaves of the home of Bui Van Nghia.
The VnExpress news website quoted officials from the Air Defense and Airforce Command as saying on Monday that the accident was caused by engine malfunction.
They said Captain Tung, the pilot, had noticed some problems and radioed HQ, asked for permission to bail out, which was granted.
Some local witnesses said they heard an explosion before the aircraft crashed into the ground in flame and broke into several pieces, around 100 meters from a residential area.
Authorities have found the black box of the aircraft and have investigated the accident.
This is the third millitary plane crash in Binh Dinh since 2006. No casualties have been reported in any of the crashes, Vnexpress said Sunday.
Defense Minister Phuong Quang Thanh said the number of airplane accidents of the Vietnamese airforce is low compared with other countries' in the world, the news website said.