These seasonal trials - including cold weather trials carried out at Leh during February this year - have been completed as part of the certification process, a statement by the HAL said.
The flight trials at Leh have established hover performance and low speed handling characteristics of the helicopter under extreme weather conditions at different altitudes (3200 to 4800 metres), it said
"LCH also has proven its capability to land and take off at Forward Landing Base in Siachen. LCH is the first attack helicopter to land in Forward Bases at Siachen", T Suvarna Raju, CMD, HAL said.
The trials were carried out at the temperatures ranging from 13 to 27 degree centigrade with the participation of user pilots from Air Force, Army among others.
Various tests included assessment and validation of flight envelope in 'Hot-and-High' conditions, culminating in landing at forward bases at geographic elevations of 13,600 feet to 15,800 feet.
