Rescue mission for the three missing mountaineers was called off on Thursday after two Pakistan Army choppers found no trace of them over the plateau between 7000 metre and 7400 metre, climbed by them. After clearing of weather in the upper Baltoro glacier area of Skardu district, Army Aviation flew helicopter sortie to the Base Camp of 8,068 metre high Gasherbrum on Thursday. The helicopters flew high and closer to Gasherbrum I attaining an altitude of 7,000 metres to survey any trace of the missing mountaineers Austrian Gerfried Goschl, Swiss Cedric Hahlen and Pakistani mountaineer Nisar Hussain Sadpara.