Not the people on the ground but the ones in Washington who just don’t care about the west. But as was mentioned above, they have to be able to reload close by to continuously be effective, unless, of course you get them there while the fire’s still small, and that’s all you need, which is our original point, right? The three forms of dium chloride are: 1. A layer of retardant can slow fire . Helicopters are more cost effective, but may not be enough if the fire starts to escape IA, but at least you get an aerial asset sooner than later. For the record: 12:45 p.m. April 8, 2019 This story refers to the OV-10 Bronco aircraft as "larger" than an S2-T tanker. Once the refueling is finished, the receiving plane drops 1,000 feet, then coordinates with the tanker for departure from the formation. Or it can . Check out our tag: https://fireaviation.com/tag/p3/. in the mid 70’s….also loved the sound of Hawkins and Powers KC97 showing up…could hear him 10 minutes out…but they sure broke down a lot…lol.. For sure there are issues in the wildland fire business….as has been discussed in numerous threads on this site…. )Tj
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Should not be a big deal to jettison a SEAT….every aviation manager should have a couple of options, along with aircrews and dispatchers briefed on protocols.. 5. The chart below compares the drop pattern characteristics of seven different air tankers and one drop from a helicopter’s Bambi Bucket. Firefighters in New Jersey are taking advantage of good weather to conduct prescribed burns, Spread of Punkin Fire south of Payson, AZ stopped after burning more than 300 acres, https://fireaviation.com/2020/02/28/study-shows-correlation-between-rapid-dispatch-of-air-tankers-and-duration-of-wildfire/, https://www.mdpi.com/1999-4907/11/2/217/htm, Emigrant Fire burns over 200 acres near Pyramid Lake in Southern California, Giant Sequoia trees in Sequoia NP being protected from fire with structure protection wrap, Man arrested for starting the Hopkins Fire in Calpella, California, Update on Northern California’s Dixie Fire, KNP Complex of fires grows, crosses Highway 198 in Sequoia NP, President Biden visits National Interagency Fire Center. An air receiver tank increases the amount of air available on-demand, allowing for higher duty cycles and more air power. I don’t think you have to be an “expert” but back in the days of old, an engine captain (foreman in my day) knew when they knew they needed more resources. Ted.. 11,600 gallons is a difficult number to imagine. PETERSON SPACE FORCE BASE, Colo. (AFNS) -- The 302nd Airlift Wing has three C-130 Hercules aircraft flying sorties out of McClellan Air Tanker Base this year in Sacramento County, California, performing an aerial firefighting mission unique within the Air Force Reserve. Found insideSeventy - four drops were made over 820 cups in a grid system . The cups were collected , weighed , the concentration in gallons per 100 square feet ... Three fewer than last year on CWN list. DC-10 is equivalent to 12 drops of an S2-T or a line of retardant that is 300 feet wide by one mile in length. It sounds good to share air resources at the national level, but keep in mind these are large bureaucracies we are talking about here. Have a wildland fire news tip? Are they still in service? Tronos photo. Like the introduction of heli-tankers twenty years ago, the VLAT are going through the same gauntlet. Found inside – Page 11All sizes of air tankers have high value for the control of range fires . ... The number of drops made has increased from 1,387 to 7,987 . 3. F, while as a vapor, ammonia is lighter than air, its relative density is 0.597 compared to air at atmospheric pressure and a temperature of 32° F. Under the latter conditions, one pound of ammonia vapor occupies a volume of 20.78 cubic feet. On the other end of the spectrum, the blm in eastern montana put some effort into setting up multiple reload options across the district and would staff up with multiple SEATS in higher fire danger. This allows the U.S. Forest Service (USFS) to use military aircraft from the Air National Guard and Air Force Reserve to serve as an . Most IA ICs don’t have the training or experience to be experts in aircraft use on fires….Really? Each 90° elbow is equal to 10 feet of straight duct or pipe. For many of the guideline topics there is a link to another page with expanded information on the guideline topic. Neptune conducted some drop tests of the aircraft in Missoula this summer. Click here. But, you’re right, the study (and Dr. Gabbert’s Rx) are the obvious answer to keeping more fires small. While stationary vertical "spot drops" are sometimes used to bomb a specific target, such as a structure threatened by flames, Walters says, "More often, I'm . There is a knack to using SEATS effectively however…you need multiple aircraft and multiple loading sites. Richard, Location? Even if they have to jettison a load the avoidance of just one large fire high fire hazard area during a period of high fire danger is a bargain for the price. . The BAe-146 jet-powered air tanker being developed by Neptune Aviation in Missoula, Tanker 40, appears to have a pressurized constant flow system. In 2020 the agency started out with 13 on contract in April and May but by June 24 had added 11 on modified call when needed (CWN) contracts for a total of 24. I saw in your attachment that Colorado had hired one. Found inside – Page 34Darran pre- modified TBM - 1C made the first drops dicts continued success ... mainstay of the Retardant drops are flown much like medium - sized tankers . )20.9(The)]TJ
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[(a )15.9(T)68(ype II airtanker)55.5(. This just happened to be a study of large airtankers. Found inside – Page 21Effective lines from which to backfire can be built from the air in light , medium ... kaolin calibration drops made from altitudes between 50 and 100 feet ... We included the air attack with any airtanker dispatch on the unit. Compared to much larger air tanker . They are fast…have good payloads…safe and maneuverable in tough terrain…and..they don’t break down every 5 or 10 missions…well, thats maybe a little harsh on our old legacy airtankers…loved em, remember my first B 24(I think that was it) doing a drop ahead of us on I.A. It's one of four DC-10 jumbo jets converted to fight fires. }òôñ£Ç×o^»zãêk/]½xáò
óνpæô¹S'Ï. fire is off and running. The air tanker that made the drop was T-944, a 747-400 that can carry up to 19,200 gallons. But the C-130 dropped about 3,000 gallons while the DC-10 and 747 each dropped about 12,000 gallons in the tests. It’s upfront money well spent, given the cost of a fire taking off. 2. I got introduced to SEATS early on…was the late 90’s and the program was in it’s early days..It has progressively gotten better. This year the 18 EU large air tankers are being supplied by five vendors: The dates they will first be on duty could change if the Forest Service decides they need to come on early, but the scheduled 160-day “mandatory availability periods” (MAP) which are different for every air tanker specify that two will begin in March (11th and 17th) and most of the rest will start in April and May. This is only the start, non fire personnel(i.e.accountants) have to show that the VLAT is justifiable. Photo by Leroy Leggitt I also think that under most IA responses, the first in units contain the fire at a few acres or less, where it doesn’t make sense to drop retardant, risk management-wise and other-wise. "One, it's expensive. Found inside – Page 38... ( FEET ) 60 180 210 Small airplane equipped with special tank outlet , top left , can be an effective aerial tanker . Test drop at top right was made with ... At 70° F and at atmospheric pressure, one pound of The fire generates winds of its own that are as many as 10 times faster than the ambient wind. Please keep in mind our commenting ground rules before you post a comment. After working full time in wildland fire for 33 years, he continues to learn, and strives to be a Student of Fire. It is no longer in service. Let me throw in a different wrinkle. I have to admit that I do not know what capability SEATs have to land with a load or something less than a load. Tanker 130 had departed the Minden, Nevada air attack base at 2:29 p.m. PDT loaded with 3,000 US gallons (11,000 L) of fire retardant for its sixth drop of the day with a pilot, copilot and flight engineer on board, and arrived at the fire at 2:45 p.m. Air tanker drops in wildfires are often just for show. MAFFS units can drop either water or retardant called "slurry." Slurry is made of 80 to 85 percent water, 10 to 15 percent ammonium . View all posts by Bill Gabbert. I then asked him if I needed to send him a copy of his Fire Director’s, Tom Harbour, memorandum that said I could even drop it on Forest Service ground. Found inside – Page 6Late in 1956 , the Forest Service converted Navy TBM's into air tankers . ... preferences with considerable precision in the drops made from larger planes . Do you have a link to where it shows that over 3 million gallons of retardant were delivered on fires by the DC10s over the last three years? If you're worried that RI could damage the gut biome - I believe this is a valid concern especially the higher the ozone concentration and the larger the ozone volume is that one uses. Húÿÿÿïß¿|ÿþõËÏ>~|ÿþÝÛ7o^¿zýòÅËçÏ? The incident commander and staff are held accountable for all operations on a fire. Found inside – Page 97Flaps were lowered on air speed to the proper CDS setting. At approximately 1 70 KTS the ... We made the drops from 8,000 feet using the 40 second cutters. 4. Once the refueling is finished, the receiving plane drops 1,000 feet, then coordinates with the tanker for departure from the formation. Found inside – Page 15Air tanker drops are treated as fire barriers in FOCUS . ... the line is not built back to the starting point ; however , at least as much control line is ... Why don't fire agencies drop fire retardant proactively? Many times, if the fire is caught soon enough, the air tankers don’t even get off the ground. This began with a comment that it didn’t appear that one agency having the large airtankers and another the smaller airtankers was working. Found inside – Page 12Most wildfires break out in rough terrain , where air tankers cannot drop ... Although the question is simple to pose , finding the answer has many ... Air Force TACPs are giving firefighters the real-time information they need to stop wildfires in California. I just about had a cardiac arrest when I opened the site! Minden Air Corp. at Minden, Nevada is also converting a BAe-146 into an air tanker, Tanker 46, but they have not scheduled drop pattern grid testing for the aircraft. Also, send an Air Attack right off, they can help determine aircraft needs. Click to enlarge. (5 feet) in the area . Found insideSeventy - four drops were made over 820 cups in a grid system . The cups were collected , weighed , the concentration in gallons per 100 square feet ... And meanwhile the home bases of the SEATs will often drag their feet to keep them in place. Found inside – Page 2Tests conducted with the first air tanker in 1957 , indicated that a 400 - gallon drop from a TBM at 100 mph airspeed at 100 feet above the terrain resulted ... The retardant covers an area one-quarter of a mile long and 60 feet wide. Found inside – Page 15Air tanker drops are treated as fire barriers in FOCUS . ... the line is not built back to the starting point ; however , at least as much control line is ... Folks currently in the job would know better than I… What could go wrong!!? The 2020 fire season started with much less activity than average (see the chart below . Air attacks and SEATS/ Helios and even large air tankers should all be dispatched immediately if burn conditions are at a problem threshold. I think everyone who’s reasonably informed about wildfire suppression can agree on one point — the true experts are the incident commanders on the ground responsible for mitigating the risk of small fires exploding into mega or giga fires burning over 100,000 acres.
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