conducting forest fire fighting operations in the area of Fort Simpson, NT. Prior to landing in CYFS, the pilot maneuvered to set down the water bucket. While preparing to set down on the landing pad beside the bucket, the tail rotor blades contacted a fuel drum. The helicopter touched down shortly thereafter and remained upright. There was significant damage to the tail rotor, tail rotor gear box, tail boom, ventral fin and collateral damage to the horizontal stabilizer from tail rotor blade fragments. The pilot, who was the sole occupant, was uninjured. CADORS 2015C2436