The foam has strong cohesive qualities and is capable of covering and clinging to vertical and horizontal surfaces. Foam fire suppressant consist of a combination of bubbles of a lower specific gravity than that of hydrocarbon fuels or water.
CLASSES OF FIRES ABCD PORTABLE
These categories are:įor information about the portable fire extinguishers carried on board of the aircraft together with the automated aircraft fire extinguishing systems see the dedicated article on SKYbrary: Aircraft Fire Extinguishing Systems Primary Agentsįoam is the primary agent used for extinguishing aircraft fires. This article identifies the three primary categories of fire extinguishing agents currently used by the RFFS in dealing with aircraft fires. As a consequence, the airport rescue and fire fighting services ( RFFS) must have a variety of fire suppression tools at their disposal. Class D - Combustible metal fires - magnesium, potassium etc.įires of all classifications cannot be dealt with in the same way.Class B - Flammable liquids or gases - fuels, alcohol, aerosols,.Class A - Ordinary combustibles (solid material fires) - wood, paper, plastic etc,.In general terms, there are four primary fire types: There are different classifications of fires differentiated by the type of material that is burning.
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