A remote hook attached to the end of a longline. It has four or more individual hooks which can be independently released, allowing the pilot to fly cargo loads to different locations without landing.

A substance or material which has been determined by the Secretary of Transportation to be capable of posing an unreasonable risk to health, safety, and property when transported in commerce and which has been so designated.

A crew of firefighters specially trained and certified in the tactical and logistical use of helicopters for fire suppression.

The utilization of helicopters to transport crews, equipment, and fire retardants or suppressants to the fireline during the initial stages of a fire. The term also refers to the crew that performs helicopter management and attack activities.

Those areas identified as principal population centers or other areas requiring protection under state or federal air quality laws or regulations.

Historically, the average number of human-caused fires occurring on a protection unit per month during the established fire season.

Equipment is staffed with 1 operator or crew. A normal shift could be up to 16 hours long and may cross calendar days.

Equipment is staffed with 2 operators or crews (1 per shift) and must be ordered and documented on a resource order. (Reference OF-294 general clauses for payment information.) Regardless of hiring method, on-shift time for operated equipment will be recorded with clock hours on the appropriate document, e.g., equipment hired under a daily rate will be posted with start and stop time for daily work.

A daily, hourly, or mileage rate shall apply when equipment is under hire as ordered by the government and on shift, including relocation of equipment under its own power.

Paid on a calendar day basis (0001-2400).