<Dd> Coordinates air resources for attack of a fire </Dd> <Dd> Fixed - wing aircraft certified by the FAA as being capable of transporting and delivering 600 to 3, 0000 gallons of water or other liquid or powder fire retardants . Formerly referred to as borate bombers before borate - based retardants became less desirable . Often accompanied by a spotter plane . </Dd> <Dd> An advantageous location, usually a barrier to fire spread, from which to start constructing a fireline . The anchor point is used to minimize the chance of being flanked (or outflanked) by the fire while the line is being constructed . </Dd> <Dl> <Dt> Backburn </Dt> <Dd> Precautionary fire set downwind of main fire for controlled fuel clearing by backing it into the main fire, similar to burnout, below, which occurs adjacent to control line . </Dd> <Dt> Backfire </Dt> <Dd> A fire set along the inner edge of a fireline to consume the fuel in the path of a wildfire and to change the direction or force of the fire's convection column . </Dd> <Dt> Bambi bucket </Dt> <Dd> Collapsible bucket for lifting and moving water and other fire retardant with a helicopter . </Dd> <Dt> Barrier </Dt> <Dd> Any obstruction to the spread of fire . Typically an area or strip devoid of combustible fuel . </Dd> <Dt> Base </Dt> <Dd> (1) staging or command center location for fire operations; (2) starting location of a fire; (3) base camp: location for eating, sleeping, etc., near staging or command center . </Dd> <Dt> Berm </Dt> <Dd> Soil heaped on the downhill side of a traversing fireline below a fire, to trap rolling firebrands . </Dd> <Dt> Blackline </Dt> <Dd> A condition where no combustible fuels remain between the fireline and the main fire . </Dd> <Dt> Blowup </Dt> <Dd> A sudden increase in fireline intensity or rate of spread of a fire sufficient to preclude direct control or to upset existing suppression plans . Often accompanied by violent convection and may have other characteristics of a firestorm . </Dd> <Dt> Boise Interagency Fire Center (BIFC) </Dt> <Dd> The former name of the National Interagency Fire Center (see below); </Dd> <Dt> Bone yard </Dt> <Dd> An area scraped to mineral soil for safe handling of smoldering materials; also, a systematic mop - up of smoldering materials by scraping off embers and placing materials into the bone yard area . </Dd> <Dt> Booster hose, booster pump, booster reel </Dt> <Dd> A small solid hose on a reel connected to a small pump fitted to a water tank on a vehicle . Booster pump also refers to a pump in a relay series for pumping uphill beyond the lift of the previous pump . </Dd> <Dt> Brush blade </Dt> <Dd> Rake attachment for cutting or ripping brush and roots out of a fireline . </Dd> <Dt> Brush hook </Dt> <Dd> Cutting tool used to clear brush, longer than a machete, usually with a heavy, solid, curved blade bolted to the end of an arm's - length handle . </Dd> <Dt> Brush truck </Dt> <Dd> Small fire truck outfitted for wildland fire . Also called a type - six engine . </Dd> <Dt> Bump up </Dt> <Dd> To move to another location . Can refer to anything from moving to another location on a fireline, to an entire crew moving to another fire . Bump back means to return to a previous location . In the "bump" system of fireline construction, each firefighter works on a small piece of fireline with his or her tool until a completed portion of line is encountered . Then the call to bump up is heard, and everyone ahead of the caller skips ahead one or more positions, leaving the unfinished fireline for those coming up behind . </Dd> <Dt> Burning index </Dt> <Dd> A relative measure of fire - control difficulty; doubling the index means twice the effort may be needed to control the fire . </Dd> <Dt> Burn out </Dt> <Dd> Setting fire inside a control line to consume fuel between the edge of the fire and the control line . </Dd> <Dt> Burning period </Dt> <Dd> The part of each 24 - hour period when fires spread most rapidly; typically from 10: 00 AM to sundown . </Dd> <Dt> Bushfire </Dt> <Dd> A bushfire is a wildfire that occurs in the forests, scrubs, woodlands or grasslands of Australia or New Zealand . </Dd> </Dl>

What is an anchor point in wildland firefighting