With no trace of the missing Pawan Hans helicopter in Arunachal Pradesh for fifth day, the Centre on Saturday directed that all available human and technical inputs, including satellite imagery, be deployed to locate the chopper and its three occupants.Cabinet Secretary Pradeep Kumar Sinha reviewed the ongoing search operations of the missing chopper with two pilots and Tirap Deputy Commissioner Kamlesh Kumar Joshi onboard in Arunachal Pradesh.