The helicopter dropped up to a tonne of water at a time on a 12-hectare (30 acre) blaze on Rhigos Mountain in Rhondda Cynon Taf.
It was later called to a blaze over up to 40 hectares (100 acres) in pine forest at Wattsville, Caerphilly.
Smoke from the blaze was seen up to five miles away.
The site has footage showing the helicopter dropping water on the blaze at Wattsville. Click here
Original Article: BBC