DEF STAN 91-87 PDF

DEFSTAN / Turbine Fuel, Aviation Kerosine Type, Containing Fuel System Icing Inhibitor – Nato Code: F – Jsd: Avtur/fsii Describes requirements. DEF-STAN Turbine Fuel, Aviation Kerosine Type, Containing Fuel System Icing Inhibitor Nato Code. for Jet A-1 grade (see below) are the UK specification DEF STAN (Jet. A-1) NATO code . namely DEF STAN AVTUR/FSII (formerly DERD ).

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Use of a corrosion inhibitor in power boost fluids supplied for these engines is not permitted. Anti-knock additives reduce the tendency of gasoline to detonate. A few additives in common use are as follows: This type of additive does not affect the freezing point of the fuel itself.

Biocide additives are sometimes used to combat microbiological growths in jet fuel, often by direct addition to aircraft tanks; as indicated above some anti-icing additives appear to possess biocidal properties. The power increase is achieved stwn cooling the air consumed, to raise its density and thereby increase the weight of air available for combustion. Outside former communist areas, there are currently two main grades of turbine fuel in use in civil commercial aviation: Outside former communist areas, there are currently two main grades of turbine fuel in use in civil commercial aviation: Fuel System Icing Inhibitors Anti-icing additives reduce the freezing point of water precipitated from jet fuels due to cooling at high altitudes sta prevent the formation of ice crystals which restrict the flow of fuel to the engine.

There is another grade of jet fuel, Jet B which is a wide cut kerosine a blend of gasoline and kerosine but it is rarely used except in very cold climates. Anti-oxidants prevent the formation of gum deposits on fuel system components caused by oxidation of the fuel in storage and also inhibit the formation of peroxide compounds in certain jet fuels.

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Aviation Jet Fuel Information

Static dissipater additives reduce the hazardous effects of static electricity generated by movement of fuel through modern high flow-rate fuel transfer systems. Some corrosion inhibitors also improve the lubricating properties lubricity of certain jet fuels. Jet A-1 and Jet A, both are kerosine type fuels.

Jet-8 is the military equivalent of Jet A-1 with the addition of corrosion inhibitor and anti-icing additives; it meets the requirements of the U.

There is another grade of jet fuel, Jet B which is a wide cut kerosene a blend of gasoline and kerosene but it is rarely used except in very cold climates.

It is widely available outside the U. Com All Rights Reserved. Similar injection systems are also incorporated in some turbo-jet and turbo-prop engines. JP-5 JP-5 is a high flash point kerosene meeting the requirements of the U. Jet B is a distillate covering the naphtha and kerosine fractions.

It is widely available outside the U. Leave us a question or comment on Facebook.

MODUK DEF STAN – ABE-IPS

Anti-icing additives can also provide some protection against microbiological growth in jet fuel. The quantity to be added and approval for its use in various grades of fuel is strictly controlled by the appropriate specifications. Military Jet-4 is the military equivalent of Jet B with the addition of corrosion inhibitor and anti-icing additives; it meets the requirements of the U.

This effect can be obtained by using water alone but it is usual to inject a mixture of methanol and water to produce a greater degree of evaporative cooling and also to provide additional fuel energy. Product Aviation fuel is a specialized type of petroleum-based fuel used to power aircraft; it is generally of a higher quality than fuels used in dfe critical applications such as heating or road transport, and often contains additives to reduce the risk of icing or explosion due to high temperatures, amongst other properties.

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The methanol and water used must be of very high quality to avoid formation of engine deposits. Aviation Fuel Home Aviation Fuel.

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Jet-5 is a high flash point kerosine meeting the requirements of the U. The water must be either demineralised or distilled and the only adulterant permitted in the methanol is up to 0. Metal de-activators suppress the catalytic effect which some metals, particularly copper, have on fuel oxidation. Jet A-1 is a kerosine grade of fuel suitable for most turbine engined aircraft.

Aviation Fuel – Jet Fuel Information

Jet A-1 and Jet A, both are kerosene type fuels. It can be used as an alternative to Jet A-1 but because it is more difficult to handle higher flammabilitythere is only significant demand in very cold climates where its better cold weather performance is important.

Search or Browse Our Site. Corrosion inhibitors protect ferrous metals in fuel handling systems, such as pipelines and fuel storage tanks, from corrosion. Civil Jet Fuels Aviation turbine fuels are used for powering jet and turbo-prop engined aircraft and are not to be confused with Avgas. Aviation Jet Fuel Information. Tetra-ethyl lead TEL is the only approved anti-knock additive for aviation use and has been used in motor and aviation gasolines since the early s.

It can be used as an alternative to Jet A-1 but because it is more difficult to handle higher flammabilitythere is only significant demand in very cold climates where its better cold weather performance is important. JP-8 JP-8 is the military equivalent of Jet A-1 with the addition of corrosion inhibitor and anti-icing additives; it meets the requirements of the U.

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