Three persons were on board the helicopter.
The helicopter crashed near Moldi while returning after distributing relief material among the affected people, Uttarkashi Disaster Management officer Devendra Patwal told PTI over phone.
"According to preliminary information the crash did not occur at a high altitude and those on board should be safe," he said, adding details are awaited.
Only members of the crew were on board the aircraft when it crashed, he said.
Uttarakhand CM, Trivendra Singh Rawat announces a compensation of Rs 15 lakh for the next of kin of the persons who have lost their lives in the helicopter crash in Uttarkashi District.
Torrential rains in Mori area of the district on Sunday left 16 persons dead and around half a dozen missing.