Interagency Single Engine Air Tanker Operations Guide - National ...

INTERAGENCY SINGLE ENGINE AIR TANKER OPERATIONS GUIDE
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Free-burning: The condition of a fire or part of a fire unchecked by natural
barriers or control measures.
Friction loss: Resistance to flow of liquids (usually water) through hose and
appliance.
FTA: Fire Traffic Area developed by aerial firefighting personnel to provide a
standardized airspace structure to enhance air traffic separation over wildland
fire (or other) incidents.
Fuel break system: A series of modified strips or blocks tied together to form
strategically located fuel breaks around land units.
Fuel moisture content: The quantity of moisture in fuel; expressed as a
percentage of the weight when thoroughly dried at 212 degrees F.
Fuel-moisture-indicator stick: A specially prepared stick or set of sticks of
known dry weight continuously exposed to the weather and periodically
weighed to determine changes in moisture content as an indication of moisture
changes in forest fuels.
Fuel tender: Any vehicle capable of supplying fuel to ground or airborne
equipment.
Fuel type: An identifiable association of fuel elements of distinctive species,
form, size, arrangement or other characteristics that will cause a predictable rate
of fire spread or difficulty of control under specified weather conditions.
Fuel type classifications: The division of wildland areas into fire hazard
classes.
Fugitive retardant: A clear retardant without iron oxide (red color agent) or a
retardant with a red color agent that fades or becomes invisible after several days
of exposure to ultraviolet sun rays.
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General staff: The group of incident management personnel composed of an
Operations Section Chief, a Planning Section Chief, a Logistics Section Chief
and a Finance Chief.
GPS: Global Positioning System.
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