An incident likely to cause damage or danger to protected lands.

Areas for which no fire organization has responsibility for management of a wildfire authorized by law, contract, or personal interest of the fire organization (e.g., a timber or rangeland association). 

Areas for which a fire protection organization has the primary responsibility for managing a wildfire and directing fire management actions. Such responsibility may be authorized by law, contract, or personal interest of the firefighting agent (e.g., a lumber operator). Note: Several agencies or entities may have some basic responsibilities (e.g., private owner) without being known as the fire organization having primary responsibility.

Location or facilities where incoming resources can check-in at the incident. Check-in locations include: incident command post (resources unit), incident base, camps, staging areas, helibases, helispots, and direct to the line. Check-in at one location only. 

The process whereby resources first report to an incident. Check-in locations include incident command post (ICP), base or camps, staging areas, helibases, or direct to a tactical assignment. All responders, regardless of agency affiliation, report in to receive an assignment.

Indicates that the airtanker has the target in sight and will make a retardant drop on this run over the target.

Apparatus used to detect heat.

Fixed-wing aircraft certified by FAA as being capable of transport and delivery of fire retardant solutions.

Ground facilities for mixing, storing, and loading fire retardant into airtankers.

Fire retardants mixed with water and stored in tanks at air attack bases for immediate use by airtankers.