Specially designed bucket carried by a helicopter like a sling load and used for aerial delivery of water or fire retardants.

Rapid fluctuations in wind speed with a variation of 10 knots (11.5 mph) or more between peaks and lulls.

Weight of passengers and/or cargo being carried by an aircraft.

A team that supports one or more incidents and is authorized to procure a wide range of services, supplies, and land and equipment rentals. In addition, the Buying Team Leader has the responsibility of coordinating property accountability with the Supply Unit Leader.

Average heights of foliage browning or bole blackening caused by a fire.

Landing necessitated by failure of engines, systems, or components which makes continued flight impossible and which may not result in damage.

Base map of the planning unit showing all roads, trails, heliports, and airfields existing and programmed for construction.

A numerical rating for specific fuel types, indicating the relative probability of fires starting and spreading, and the probable degree of resistance to control; similar to burning index, but without effects of wind speed.

Item for storing drying fire hose.

That period of the fire season during which fires are expected to ignite most readily, to burn with greater than average intensity, and to create damages at an unacceptable level.