Forest Service in Brief - Socal Pre-positioning Efforts
Incident: Maffs Activation
Released: 12 hrs. ago
In Brief
USDA Forest Service · Pacific Southwest Region · Southern California · November 2007 MAFFS Activation
Modular Airborne Fire Fighting System (MAFFS)
Southern California Pre-Positioning Efforts - November 21, 2007
BACKGROUND:
MAFFS is a self-contained reusable 3,000-gallon aerial fluid dispersal system that allows Lockheed C-130 cargo/utility aircraft to be converted to wildland firefighting air tankers. The system has been used in the U.S., Europe, Africa, and Indonesia. The system is pneumatically powered and includes tank modules, a control module, and a dissemination module. Electrical power is provided by the aircraft or by a 24-volt battery on the control module.
The MAFFS use is a joint program with the U.S. Air Force (USAF) Air National Guard, Air Force Reserve, and the U.S. Forest Service. The system was developed for installation in a Lockheed C-130 Hercules plane equipped with the USAF 463L cargo-handling-system. Crews using MAFFS can make variable drops over the fire, with flow rate pre-selected at the control module. At maximum flow rate, a MAFFS-equipped C-130 can discharge its entire load in under five seconds. Unlike a gravity system in which the aircraft's center of gravity moves aft as the retardant flows to the rear to exit, MAFFS discharges the retardant alternately from a series of tanks to keep the center of gravity within limits. MAFFS-equipped tankers can be re-loaded and flight-ready in less than eight minutes.
The objective of the MAFFS program is to provide emergency capability to supplement the existing commercial air tanker support on wildfires. The National Interagency Coordination Center at Boise can activate the MAFFS when all other contract air tankers are committed to incidents or initial attack or are otherwise unable to meet requests for air operations. The request for MAFFS activation is approved by the national MAFFS liaison officer, who is the Forest Service director at NIFC. This request is then forwarded to the Joint director of military support at the Pentagon. Governors of states where National Guard MAFFS units are stationed may activate MAFFS for missions within their state boundaries when covered by a memorandum of understanding with the military authority and the Forest Service.
Five tank modules store the retardant under pressure; each module contains a pressure tank where compressed air is stored at 1200 psi. The control module includes the master control panel, the loadmaster's seat, and discharge valves. An air compressor module provides air pressure for charging the system; it stays at the air tanker base during air operations and is used to recharge the system between runs. Each unit weighs about 11,000 pounds, with a load capacity of 3,000 gallons.
The units are loaded with either water or retardant -- a chemical that inhibits the combustion potential of vegetation on the ground. The retardant contains a fertilizer, and promotes re-growth over the burned area. While water is sometimes dropped directly on a fire, retardant is laid out ahead of the fire or at its edges to inhibit or retard the fire's spread. This allows firefighters on the ground to rapidly take advantage of the retardant effect, which helps in line-building efforts. Its bright red or fuchsia color helps air tanker pilots observe the accuracy of their retardant drops on the edge of the fire.
CURRENT SITUATION IN SOUTHERN CALIFORNIA
In anticipation of forecasted Santa Ana winds, the Forest Service and CalFire have deployed additional firefighters, fire engines, and aircraft that will be ready to respond to any new fire as soon as it starts.
In addition to the hundreds of Forest Service firefighters that are normally stationed in southern California at this time of year, the agency has assigned 124 additional fire engines, 8 additional fixed-wing air tankers, 15 additional helicopters, and 15 hand crews that are available for any new fire starts during the Santa Ana wind event. Additionally, the Air National Guard (153rd Airlift Wing - Cheyenne, WY) and Air Force Reserve (302nd Airlift Wing - Peterson AFB - Colorado Springs, CO) have responded to a request from the National Interagency Fire Center (NIFC) to deploy four C-130 aircrafts equipped with the MAFFS units. On Tuesday, November 20, the military aircraft arrived at the 146th Airlift Wing - Channel Islands Air National Guard Station in Port Hueneme and stand ready to quickly respond if needed. The MAFFS units effectively augment the civilian air tanker fleet.
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