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A helicopter bucket or helibucket is a specialized bucket suspended on a cable carried by a helicopter to deliver water for aerial firefighting. The design of the buckets allows the helicopter to hover over a water source—such as a lake , river , pond , or tank —and lower the bucket into the water to refill it.
Fire buckets hung on the wall of a railway station in Holt, England. A fire bucket is a bucket filled with water or sand which is used to prevent or extinguish fires. Typically, fire buckets are painted bright red and have the word fire stencilled on them. Often they have a convex, protruding bottom.
A wide variety of helicopters and fixed-wing aircraft are used for aerial firefighting. In 2003, it was reported that "The U.S. Forest Service and Bureau of Land Management own, lease, or contract for nearly 1,000 aircraft each fire season, with annual expenditures in excess of US$250 million in recent years".
The buckets can carry between 600 to 2,000 gallons of retardant or water, according to the San Bernardino National Forest.Fire officials said on Monday that they believed the blaze, which started ...
When water is required to refill a fire engine, water delivery is vital. The typical water tender carries 1,200 US gallons (4,500 L) of water to support fire engines. In addition to supplying fire engines directly, tenders may fill water reservoirs for bucket-dropping helicopters when a lake or reservoir is not nearby.
Development began in the mid-1950s and the "Monsoon Bucket" was operational in 1962. The bucket was a converted 45-imperial-gallon (205 L) drum with a trap door in the bottom that was actuated by the pilot in flight. [7] In the early 1960s the California Division of Forestry (now known as CALFIRE) began water bucketing trials.