New Delhi: helicopter crashed near Tawang in Arunachal Pradesh this morning.
The Mi-17 V5 chopper was on an "air maintenance mission" at an altitude of 17,000 feet when it crashed around 6 am, according to the Air Force. The bodies of seven, including the pilot, co-pilot, flight engineer and two army officers, have been found.
The crash site is at Yangchi, 130 km from Tawang town close to the border with China.
A Court of Inquiry has been ordered to establish what caused the crash. Sources say senior pilots were flying the chopper - one was a wing commander and the other, a squadron leader.
The Russian-made Mi-17 V5 chopper is the backbone of the Air Force.
Over 150 such helicopters are in service and 48 more have been requisitioned. The Mi-17 can carry a substantial payload to higher altitudes and has a very powerful engine.
Seven military personnel were killed when an Indian Air Force (IAF)