Release Pattern
Release Pattern : The distribution of one or more water or retardant releases on a target area. Release patterns can be classified in six ways: (1) Box pattern release - When a single bombing aircraft makes multiple releases forming a retardant line around the perimeter of a small fire. (2) Extended release - To make a release so that it overlaps and lengthens the coverage of a previous release. (3) Full coverage release - To make a release with the aim of covering the entire fire with water or retardant. Multiple releases may actually be required to obtain the desired release density. This type of release pattern is commonly used to control fire intensity and spread of small fires, such as spot fires. (4) Stacking pattern release - A release pattern used for steep terrain where the flight trajectory of the aircraft is contoured to a slope. Generally speaking, the first release is made at the top of the slope and successive releases gradually progress to the bottom of the slope. (5) "V" pattern release - Multiple releases by one or more water bombing aircraft to form a retardant line in the shape of a "V" around the head or heel of a small fire. (6) Safety release - A release of water or retardant over a vehicle or group of individuals in difficulty on the ground for the purpose of reducing the intensity of the fire to enable the personnel to escape
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