GANGTOK, April 21 � An army helicopter with two pilots and two soldiers on board went missing today during routine training exercise while flying over north Sikkim near the Chinese border with inclement weather stalling search operations, reports PTI.
The Advance Light Helicopter �Dhruv� of Army Aviation Corps had taken off from the Sewak Road Base in Siliguri in West Bengal, from where the army conducts its routine training exercise to Sikkim�s borders with China, at 10.30 am, defence sources here said.
It lost radio contact around 11.30 am, they said.
The chopper went down about 15,000 feet above ground near the Yumisamdong area which is now under a thick blanket of snow and covered with dense forest.
The area is around 15 km above Lachung village in north Sikkim.
The army launched a massive search operation but after about five hours, the search was postponed due to inclement weather.