Aircraft deicing manual 2019 2020 cologne bonn airport. Product safety assessment ucar ethylene glycol aircraft. Polar guard advance is supplied as a readytouse formulation. Dynatec provides a unique system that treats spent airport deicing fluid to provide reuse quality water and recover glycol treatment and recovery. Because of this type i fluids are commonly used as part of a twostep deantiicing procedure when the final application of a type ii or type iv. The main component of deicing fluid is a freezing point depressant fpd, usually propylene.
Alle informatie over composition deicing salt zoutman. Call ahead to the airport to see what kind of deiceantiice fluid that they have because. The procedures section contains information on deantiicing fluid handling and storage. Ucar ethylene glycol aircraft deicing and antiicing fluids revised. Dow ucar ad49 type 4 antiicing fluid, 230gallon tote.
In the past 25 years there have been 35 air carrier accidents worldwide that have been attributed to inadequate ground deicingantiicing. Onsite recovery of glycols from airport deicing fluid using polymericceramic composite membranes epa contract number. Kilfrost al34 is a specially developed aircraft deicing fluid. How to use this manual record of revisions foreword chapter 1 air.
Material safety data sheet 10320 liftoff p88 aircraft deicer concentrate page 3 of 325 c 650 mpas 9. Deicing fluid market global industry analysis, size and. Tks antiicing fluid is being used in a variety of platforms to provided antideicing capability for smaller commercial aircraft. Us20030098438a1 us10217,975 us21797502a us2003098438a1 us 20030098438 a1 us20030098438 a1 us 20030098438a1 us 21797502 a us21797502 a us 21797502a us 2003098438 a1 us2003098438 a1 us 2003098438a1 authority us united states prior art keywords composition weight viscosity fluid water prior art date 19980629 legal status the legal status is an assumption. Deicing fluid is the process of removing ice, snow from a surface. Please reference the following chart and graph which shows freeze point information for type 1 and water mixtures. Type i and type iv, both of which primarily consist of propylene glycol. All aircraft deicing and management of bulk aircraft deicing fluid adf shall be conducted in compliance with dia rules and regulations, including part 180 and this part 190, the fire code of the city and county of denver, all applicable local, state, and federal laws and regulations. Characteristics of aircraft antiicing fluids subjected to. Deicing fluids are typically ethylene glycol, diethylene glycol or propylene glycol based fluids containing water, corrosion inhibitors, wetting agents and dye. Checking procedure for aircraft deicingantiicing fluids. Onsite recovery of glycols from airport deicing fluid using polymericceramic composite membranes investigators.
References wherever in this document fluid types i, ii, iii, or iv are indicated, this always refer to the latest. Recommendations for deicing antiicing of aircraft on. Antiicing is understood to be the application of chemicals that not only deice but also remain on a surface and continue to delay the reformation of ice for a certain period of time, or prevent adhesion of ice to make mechanical removal easier. Flammability characteristics of tks antiicing fluid.
Us20030098438a1 environmentally friendly compositions. June 15, 2015 the dow chemical company page 3 of 8 type i deicing fluid 80% type iv antiicing fluid 20% use of ucaregbased deicing and antiicing fluids11 these products conform to aerospace material specifications 1424d, 1428d, and 1428e set by. Ucar aircraft deicing fluid xl 54 nominally contains approximately 54. Aircraft deicing fluids for safe winter operations ucar. All aircraft deicing and antiicing fluids adfs and aafs must be certified as meeting the following aerospace materials specifications published by sae. Dow ucar pg type i aircraft deicing fluid adf is a propylene glycolbased fluid containing water, corrosion inhibitors. Ucar adf xl 54 is a readytouse fluid available in canada. Propylene glycol is used in this product, to ease health and environmental concerns. However, there are a range of different types of deicers and. Snowfall often comes unexpected and, with a bit of bad luck, in large amounts.
Dotfaaar9781 bioremediation of aircraft deicing fluids. Fluid use guidelines and holdover time tables are published by regulatory agencies such as transport canada and the u. Us patent application for environmentally friendly. Safety data sheet deicingdefrosting fluid, aerosol sds revision date. Ucar aircraft deicing fluidsaircraft antiicing fluids. Dows antiicing fluid, ucar flightguard ad49 aaf, is a green liquid with a mild, sweet odor that conforms to all technical requirements of sae ams 1428 for sae type iv aircraft deicinganti icing fluids. The composition is nonelectrolytic, homogeneous singlephase, biodegradable comprising. Type i deantiicing fluid are manufactured and qualified to ams 1424 iso 11075 specifications. Clariant supports our customers efforts to reduce the environmental impact of their airport operations and lower costs. Deicing is the process of removing snow, ice or frost from a surface. They are primarily used for deicing and do not offer any significant antiicing holdover protection. Dtd 406b aircraft inflight ice protection fluid protects you and your plane from inflight freezing by distributing ice protection fluids through porous metal structures that form the leading edge of the wings and rear horizontal and vertical stabilizers. Experts in the field have indicated approximately 7580 percent of the deicing fluid applied to an aircraft is deposited on the pavement around the deicing areas, either through overspra or y drippage.
Safety data sheet ams 1424 type 1 deicing fluid page 2 of 9 p501. As such, they can be used on any aircraft, as they shearblow off even at low speeds. There have been studies of the environmental impact of deicing fluid, which basically states in water, eg is not persistent and biodegrades aerobically and anerobically. Final report onsite recovery of glycols from airport. Deicing fluids aero specialties aircraft ground support. Environmentally friendly compositions having antiicing. Deicing fluids lower the freezing point of water and typically comprise of salts, glycols and alcohols. United states office of water 4303 epa821r00016 environmental protection washington, dc 20460 august 2000 agency 1epa preliminary data summary airport deicing operations. International deantiicing chapter federal aviation administration. This makes stocking up on deicing road salt in advance a wise precaution. An environmentally benign antiicing or deicing fluid providing long term protection for use on aircraft and runways, roads, bridges. Ground deicing and antiicing issues in air carrier operations. Type i is the orange or reddish fluid used to actively deice the aircraft by melting and knocking off contamination.
Other methods of deicing include mechanical methods such as scrapping and pushing or by applying heat. Dtd 406b deicing fluid commonly known as tks fluid kilfrost put the k in tks description. The dilution determines the freezing point of the fluid. Deicing fluids come in a variety of types, and are typically composed of ethylene glycol eg or propylene glycol pg, along with other ingredients such as thickening agents, surfactants wetting agents, corrosion inhibitors, colors, and uvsensitive dye. Dow ucar pg type i aircraft deicing fluid adf is a propylene glycolbased fluid containing water, corrosion inhibitors, wetting agents and an orange.
The deicing provider should check the fluid freezing point with a refractometer on a regular basis. Scope these specifications cover a potassiumacetate based deicingantiicing fluid in the form of a concentrated liquid meeting faa approved specification sae ams 1435c. Manufacturers state that a fluid must not be used when the outside air temperature or skin temperature is below the lout of the fluid. Treatment, storage, transportation and disposal must be in accordance with federal, stateprovincial and local regulations. Apply enough hot deicing fluid ensure that refreezing does not occur and all contaminated fluid is driven off. Rule for aircraft deicing effluent april 25, 2012 on spent aircraft deicing fluid and stormwater collection and treatment must be considered. The runoff of deicing fluid from aircraft has historically been allowed to drain to ground water or streams. Davies deicing fluid type iv meets the latest sae type ii and ams. Deicing how we dispose of deicing fluid toronto pearson airport. Deicing fluid is sprayed on the surface using hoses or spray guns. This practice is being discontinued at some airports as. Pg aircraft deicing fluids concentrate 55 45 sae ams 1424 propylene glycolbased type i fluids ad20016. The vast majority of deicing around the world is done with two fluid types. Chapter 3 deicingantiicing fluids transport canada.
Doc 9640, manual of aircraft ground deicingantiicing operations. To view more of our products please visit our main aircraft deicing fluids category. Most fluid manufacturers supply premixed type i fluids with fluid to water ratios typically between 50. Formula x concentrate aircraft deicing type 1 deicing fluid must be used diluted and heated, in accordance with faa approved deicinganti icing program. They also have the shortest holdover times hot or estimated times of protection in active frost or freezing precipitation. Other ingredients vary depending on the manufacturer, but the exact composition of a particular brand of fluid is generally held as confidential proprietary information. There are four standard aircraft deicing and antiicing fluid types. Basic features of deicing fluids, composition and effects. Propylene glycolbased fluid is more common because it is less toxic than ethylene glycol sae international formerly known as the.
In one embodiment of the antiicing or deicing composition, the fluid further includes 1dodecanol which is present between about 0. The main component of deicing fluid is either ethylene glycol eg, toxic or propylene glycol pg, nontoxic and depending on the category applied different amounts are used annually. Nineteen of these accidents have occurred in the united states. Fluid shall be minimum 50% potassium acetate by weight with a freezing point of. Aircraft deicingantiicing fluids consist of four types. Environmentally friendly compositions having antiicing, deicing or graffiti prevention properties. Clariant has developed highperforming deicing fluids to keep aircraft surfaces free from ice and snow. Davies type 1 aircraft deicing fluid must be used diluted and heated, in accordance with faa approved deicinganti icing program.
The flammable liquid is comprised of 85 percent ethylene glycol, 10 percent water, and 5 percent isopropyl alcohol, and. Type i adf aircraft deicing fluid kilfrost group plc. Ucar adf xl 54 is a ucar adf aqueous solution which can be made by mixing 57 parts by volume of ucar adf concentrate with 43 parts of water. International deantiicing procedures section august 2008 page 2 of 36 1 deicingantiicing fluids 1. Type i fluids must be heated and diluted to be safe and effective. Antiicing fluids are similar in composition except that they also contain polymeric thickeners. The main component of deicing fluid is usually propylene glycol or ethylene glycol. Sae also provides aerospace recommended practices arp for deicing and antiicing methods arp 4737 and functional requirements of deicing and antiicing vehicles arp 1971.
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