Contrivance designed and used to start a fire.

Fire that consumes the organic material beneath the surface litter ground, such as a peat fire.

A systematic and thorough scan of the wildland fire environment for an object or feature as it relates to seeing or sight.  This scan may be aided by magnification when necessary.

Selected landing area for smokejumpers.

The method and process through which an aircraft is tracked from departure point to destination. Flight following is the knowledge of the aircraft location and condition at regular intervals with a reasonable degree of certainty such that, in the event of mishap, those on board may be rescued. 

Categories of employees as defined in the Fair Labor Standards Act (FLSA), who are either covered or exempted from coverage under the ActPay entitlements vary depending on the employee's FLSA status.

The temperature of the air measured in the shade 4-8 feet above the ground.

A name given to an ordinary thermometer used to determine the temperature of the air (to distinguish it from the wet bulb).

Geographic points on the ground or specific points in time where an escalation or alternative of management actions is warranted. These points are defined and the management actions to be taken are clearly described in an approved Prescribed Fire Plan. Timely implementation of the actions when the fire reaches the action point is generally critical to successful accomplishment of the objectives.

Rate of heat release per unit of burning area per unit of time.