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MODUK - DEF STAN 68-252

Fuel System Icing Inhibitor NATO Code: S-1745 Joint Service Designation: AL-41

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Organization: MODUK
Publication Date: 26 September 2005
Status: active
Page Count: 12
scope:

This Standard specifies the requirements for one grade (AL-41) of Fuel System Icing Inhibitor (FSII) intended for use in aviation turbine fuels. Material provided to this standard shall possess satisfactory performance and properties when used in appropriate vehicles and/or gas turbines or engines operated by the Ministry of Defence, or for which the Civil Aviation Authority is the certificating agency.

Document History

DEF STAN 68-252
September 26, 2005
Fuel System Icing Inhibitor NATO Code: S-1745 Joint Service Designation: AL-41
This Standard specifies the requirements for one grade (AL-41) of Fuel System Icing Inhibitor (FSII) intended for use in aviation turbine fuels. Material provided to this standard shall possess...
DEF STAN 68-252
August 1, 1997
Fuel System Icing Inhibitor NATO Code: S-1745 Joint Service Designation: AL-41
This Defence Standard specifies requirements for one grade (AL-41) of fuel system icing inhibitor (FSII) intended for use in aviation turbine fuels. FSII provided to this Standard shall possess...
DEF STAN 68-252
January 1, 1995
Fuel System Icing Inhibitor NATO Code: S-1745 Joint Service Designation: AL-41
This INTERIM Defence Standard specifies requirements for one grade (AL-41) of fuel system icing inhibitor (FSII) intended for use in aviation turbine fuels. FSII provided to this INTERIM Standard...

References

This document references:
ASTM D1078 - Standard Test Method for Distillation Range of Volatile Organic Liquids
Published by ASTM on November 15, 2011
This test method covers the determination of the distillation range of liquids boiling between 30 and 350 °C, that are chemically stable during the distillation process, by manual or automatic...
This document references:
ASTM D1209 - Standard Test Method for Color of Clear Liquids (Platinum-Cobalt Scale)
Published by ASTM on May 15, 2005
This test method describes a procedure for the visual measurement of the color of essentially light colored liquids (Note 1). It is applicable only to materials in which the color-producing bodies...
This document references:
ASTM D1298 - Standard Test Method for Density, Relative Density, or API Gravity of Crude Petroleum and Liquid Petroleum Products by Hydrometer Method
Published by ASTM on June 1, 2012
This test method covers the laboratory determination using a glass hydrometer in conjunction with a series of calculations, of the density, relative density, or API gravity of crude petroleum,...
This document references:
ASTM D3828 - Standard Test Methods for Flash Point by Small Scale Closed Cup Tester
Published by ASTM on October 1, 2016
These test methods cover procedures for flash point tests, within the range of –30 °C to 300 °C, of petroleum products and biodiesel liquid fuels, using a small scale closed cup tester. The...
This document references:
D4052 - Standard Test Method for Density, Relative Density, and API Gravity of Liquids by Digital Density Meter
May 1, 2022
This test method covers the determination of the density, relative density, and API Gravity of petroleum distillates and viscous oils that can be handled in a normal fashion as liquids at the...
This document is referenced by:
DEF STAN 91-087 - Turbine Fuel, Aviation Kerosine Type: Containing Fuel System Icing Inhibitor NATO code: F-34 Joint Service Designation: AVTUR/ FSII
Published by MODUK on February 28, 2022
This Defence Standard specifies the requirements for one grade of kerosene type aviation turbine fuel intended primarily for use in military aircraft gas turbine engines and differs from F-35 (JET...
This document is referenced by:
DEF STAN 91-091 - Turbine Fuel, Kerosene Type, Jet A-1; NATO Code: F-35; Joint Service Designation: AVTUR
Published by MODUK on December 14, 2023
This Defence Standard specifies the requirements for one grade of kerosene type aviation turbine fuel intended for use in aircraft gas turbine engines. Fuel provided to this Standard shall possess...
This document is referenced by:
DEF STAN 91-88 - Turbine Fuel, Aviation: Wide Cut Type, Containing Fuel System Icing Inhibitor NATO Code: F-40 JSD: AVTAG/FSII
Published by MODUK on March 20, 2009
This Defence Standard specifies the requirements for one grade of wide cut type aviation turbine fuel intended primarily for use in military aircraft gas turbine engines. The specification contains a...
This document is referenced by:
DEF STAN 68-150 - Mixture of Fuel System Icing Inhibitor and Lubricity Improving Additive Joint Service Designation: AL-48
Published by MODUK on May 10, 2005
This Standard specifies the requirements for a homogeneous mixture of an AL-61 Fuel Soluble Lubricity Improving Additive (LIA) and AL-41 Fuel System Icing Inhibitor (FSII) for addition to AVTUR F-35...
This document is referenced by:
DERD 2494 - Turbine Fuel, Aviation Kerosine Type, Jet A-1 NATO Code: F-35 Joint Service Designation: AVTUR
Published by MODUK on November 12, 1999
This Defence Standard specifies the requirements for one grade of kerosine type aviation turbine fuel intended for use in aircraft gas turbine engines. Fuel provided to this Standard shall possess...
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