Recommended amount of aerially applied retardant keyed to the NFDRS fuel models and/or fire behavior models. Coverage level 2 represents 2 gallons of retardant per hundred square feet. Levels range from 1 to 6 for most fuel models. A coverage level of greater than 6 is for heavy fuels. The levels can be adjusted for fire behavior. 

All structures built and used primarily for fire management, e.g. lookout towers, lookout cabins, telephone lines, and also firebreaks, fuel breaks, and roads to lookouts.

Standby crew in an area of expected high fire occurrence, generally on a day of critical fire weather.

A measure of acres calculated (i.e., infrared) from a geospatial perimeter of a fire. More specifically, the number of acres within the current perimeter of a specific, individual incident, including unburned and unburnable islands.

Personnel assigned to supervisory positions, including incident commander, command staff, general staff, branch directors, supervisors, unit leaders, managers and staff.

Advanced life support skills performed by an EMS practitioner or service, e.g. intravenous fluids and drug administration.

A self-contained unit consisting of a water tank, fire pump, and hose specially designed to be carried on a logging skidder for use in forest fire suppression.

A period of relatively long duration with substantially below-normal precipitation, usually occurring over a large area.

Chronological listing of the dates of fires documented in a designated area, the dates being corrected by crossdating. Size of the area must be specified.

All actions taken to stop the spread of fire.