737 MAx Approved Fuels
From the Type Certificate A16WE
AFM lists the same approval of Jet A & Jet A-1, and the prohibition against using Jet B.
XI - Model 737-8 (Approved March 8, 2017), 737-9 (Approved February 15, 2018), and 737-8200 (Approved March 31,
2021), Transport Aircraft
Engines: Two CFM International S.A CFM LEAP-1B Series Turbofan Engines, Reference Engine Type Certificate
No. E00088EN
Engine Model and Configurations 737-8 737-9 737-8200
LEAP-1B28 X X X
LEAP-1B28B1 X X X
LEAP-1B28BBJ1 X
LEAP-1B27 X X X
LEAP-1B25 X X
Fuel: Kerosene jet fuels meeting the requirements defined in the Boeing document D6-85140-101 revision C or
later FAA approved revision “Aviation Fuel and Fuel Additives Properties, Composition and
Performance Requirements”, are authorized for unlimited use. Examples of fuel specifications that have
been shown to meet the requirements defined in the Boeing document D6-85140-101 revision C or later
FAA approved revision are:
* Jet A, Jet A-1 as specified in ASTM D1655
* Jet A-1 as specified in UK MoD Def-Stan 91-91
* JP-5 as specified in MIL-DTL-5624
* JP-8 as specified in MIL-DTL-83133
Consult the Flight Manual for additive use.
The use of any Wide Cut Fuel as defined in the D6-85140-101 revision C or later FAA approve revision
document (e.g. Jet B as specified in ASTM D6615, JP-4 as specified in MIL-DTL-5624) is prohibited.
Operation of the CFM LEAP-1B series engines with fuel containing Kathon FP 1.5 biocide is prohibited.
AFM lists the same approval of Jet A & Jet A-1, and the prohibition against using Jet B.
XI - Model 737-8 (Approved March 8, 2017), 737-9 (Approved February 15, 2018), and 737-8200 (Approved March 31,
2021), Transport Aircraft
Engines: Two CFM International S.A CFM LEAP-1B Series Turbofan Engines, Reference Engine Type Certificate
No. E00088EN
Engine Model and Configurations 737-8 737-9 737-8200
LEAP-1B28 X X X
LEAP-1B28B1 X X X
LEAP-1B28BBJ1 X
LEAP-1B27 X X X
LEAP-1B25 X X
Fuel: Kerosene jet fuels meeting the requirements defined in the Boeing document D6-85140-101 revision C or
later FAA approved revision “Aviation Fuel and Fuel Additives Properties, Composition and
Performance Requirements”, are authorized for unlimited use. Examples of fuel specifications that have
been shown to meet the requirements defined in the Boeing document D6-85140-101 revision C or later
FAA approved revision are:
* Jet A, Jet A-1 as specified in ASTM D1655
* Jet A-1 as specified in UK MoD Def-Stan 91-91
* JP-5 as specified in MIL-DTL-5624
* JP-8 as specified in MIL-DTL-83133
Consult the Flight Manual for additive use.
The use of any Wide Cut Fuel as defined in the D6-85140-101 revision C or later FAA approve revision
document (e.g. Jet B as specified in ASTM D6615, JP-4 as specified in MIL-DTL-5624) is prohibited.
Operation of the CFM LEAP-1B series engines with fuel containing Kathon FP 1.5 biocide is prohibited.
