MIL-DTL-83133H
IP 585
Determination of Fatty Acid Methyl Esters (FAME), Derived from Bio-
Diesel Fuel, in Aviation Turbine Fuel - GC-MS with Selective Ion
Monitoring/Scan Detection Method
IP 590
Determination of Fatty Acid Methyl Esters (FAME) in Aviation Turbine
Fuel - HPLC Evaporative Light Scattering Detector Method
(Copies of these documents are available from the Energy Institute, 61 New Cavendish Street, London, WIG
7AR, UK. Electronic copies of Energy Institute documents may be obtained from
2.4 Order of precedence. Unless otherwise noted herein or in the contract, in the event of a
conflict between the text of this document and the references cited herein, the text of this document takes
precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a
specific exemption has been obtained.
3. REQUIREMENTS
3.1 Materials. Unless otherwise specified (see 3.1.1), fuel supplied under this specification shall
be refined hydrocarbon distillate fuel oil containing additives in accordance with 3.3. The feedstock from
which the fuel is refined shall be crude oils derived from petroleum, tar sands, oil shale, or mixtures
thereof.
3.1.1 Synthesized Materials. With the approval of both the procuring activity and the applicable fuel
technical authorities listed below, up to a total 50 volume percent of the finished fuel may consist of
Synthesized Paraffinic Kerosene (SPK) derived from a Fischer-Tropsch (FT) process meeting the
requirements of Appendix A (see A.2) or SPKs derived from Hydroprocessed Esters and Fatty Acids
(HEFA) meeting the requirements of Appendix B (see B.2). HEFA-SPK has also been called
Hydroprocessed Renewable Jet or Hydrotreated Renewable Jet (HRJ), and for the purpose of this
specification, the terms are considered interchangeable. Finished fuel containing FT-SPK or HEFA-SPK
shall contain additives in accordance with 3.3. Finished fuel containing FT-SPK shall conform to the
properties of Table A-II in addition to those of Table I. Finished fuel containing HEFA-SPK shall conform
to the properties of Table B-II in addition to those of Table I. During the platform certification/approval
process, permission from both procuring activity and the applicable fuel technical authority listed below
shall be obtained prior to the use of a finished fuel containing SPK. All USAF aircraft are certified for the
use of fuel containing FT-SPK while Army and Navy Aircraft are not. All three Services are currently in
the process of certifying their respective aircraft for fuel containing HEFA-SPK, where some aircraft are
now certified and other aircraft yet remain within the relevant service certification process.
Cognizant activity for the US Navy and US Marine Corps: Naval Fuels and Lubricants Cross
Functional Team, AIR-4.4.1, Building 2360, 22229 Elmer Road, Patuxent River, MD 20670-1534.
Cognizant activities for the US Army:
US Army Ground: Fuels and Lubricants Technology Team, RDECOM-TARDEC, RDTA-DP,
Building 210, 6501 E. 11 Mile Road, Warren, MI 48397-5000.
US Army Aviation: US Army RDECOM, Attn: RDMR-AEP, Building 4488, Room C-211, Redstone
Arsenal, AL 35898-5000.
Cognizant activity for the US Air Force: Alternative Fuels Certification Office, ASC/WNN, 1981
Monohan Way, Building 12, Area B, Wright-Patterson AFB, OH 45433-7205.
Procuring Activity: Product Technology & Standardization, DLA Energy, Rm 2843, 8725 John J.
Kingman Road, Fort Belvoir, VA 22060.
3.2 Chemical and physical requirements. Unless otherwise specified (see 3.1.1), the chemical
and physical properties of the fuel shall be in accordance with those listed in Table I.
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