Substantial transportation route for fire suppression motor vehicles, built prior to a fire. Also known as a fire road.

The birth month and day for the overhead resource.

Refers to type 1 (national interagency support cache), type 2 (national interagency support cache satellite), and type 3 (local interagency support cache). Caches may consist of a pre-determined complement of tools, equipment and/or supplies stored in a designated location, available for incident use.

A supply of fire tools and equipment assembled in planned quantities or standard units at a strategic point for exclusive use in fire suppression.

A compilation of goals, objectives, and requirements from the land/resource management planning process necessary to implement wildland fire management decisions.

Any fire in which the predominant fuel is grass or grasslike.

Removal or treatment of fuels to reduce the danger of fires igniting or spreading. (E.g., fire-proofing roadsides, campsites, structural timber.) Protection is relative, not absolute.

A smoke emission control strategy that considers meteorological conditions when scheduling prescribed fires in order to avoid incursions into smoke sensitive areas.

The main rotor arc in feet and inches (meters). Used for planning helispot clearance.

A numerical rating in the Canadian fire danger rating system, based on meteorological measurements of fire intensity in a standard fuel type. (The standard fuel type is representative of jack pine and lodgepole pine.) The FWI is comprised of three fuel moisture codes, covering classes of forest fuel of different drying rates, and two indices that represent rate of spread and the amount of available fuel.