STC SE04651CH

Number: SE04651CH

This certificate may be transferred or made available to third persons by licensing agreements in accordance with 14 CFR 21. 47. Possession on this Supplemental Type Certificate (STC) document by persons other than the STC holder does not constitute rights to the design data nor to alter an aircraft, aircraft engine, or propeller. The STC ’s supporting documentation (drawings, instructions, specifications, flight manual supplements, etc.) is the property of the STC holder. An STC holder who allows a pe rson to alter an aircraft, aircraft engine, or propeller must provide that person with written permission acceptable to the FAA. (Ref. 14 CFR 21.120).

FAA Form 8110-2 (6/20) SUPERSEDES PREVIOUS EDITION Page 1 of 3

Title: Paul Nguyen Manager, Central Certification Branch Compliance & Airworthiness Division Aircraft Certification Service

Part * of *.

To allow use of 100R grade aviation fuel meeting Swift Fuel, LLC specifications as listed on Swift Fuels Service Instruction SI-2, dated February 19, 2026. Engine will be modified via Installation Instructions as listed on Approved Model List No. SE04651CH.

1. The installer must determine whether this design change is compatible with previously approved modifications.

2. If the holder agrees to permit another person to use this certificate to alter a product, the holder must give the other person written evidence of that permission.

3. Aircraft installation of an engine modified by this STC requires Swift Fuels STC SA04652CH.

(See continuation sheet 3 of 3 for additional Limitations and Conditions)

Date of Application: August 15, 2018 Date Reissued:

Date of Issuance: September 06, 2024 Date Amended: March 11, 2026

Swift Fuels, LLC.

1435 Win Hentschel Blvd., Suite 205 West Lafayette, IN 47906 Make: *

Model: *(see attached FAA Approved Model List (AML) No, SE04651CH for list of Approved models and applicable airworthiness regulations)

This certificate may be transferred or made available to third persons by licensing agreements in accordance with 14 CFR 21. 47. Possession on this Supplemental Type Certificate (STC) document by persons other than the STC holder does not constitute rights to the design data nor to alter an aircraft, aircraft engine, or propeller. The STC ’s supporting documentation (drawings, instructions, specifications, flight manual supplements, etc.) is the property of the STC holder. An STC holder who allows a pe rson to alter an aircraft, aircraft engine, or propeller must provide that person with written permission acceptable to the FAA. (R ef. 14 CFR 21.120).

FAA Form 8110-2 (6/20) SUPERSEDES PREVIOUS EDITION Page 2 of 3

This certificate may be transferred or made available to third persons by licensing agreements in accordance with 14 CFR 21. 47. Possession on this Supplemental Type Certificate (STC) document by persons other than the STC holder does not constitute rights to the design data nor to alter an aircraft, aircraft engine, or propeller. The STC ’s supporting documentation (drawings, instructions, specifications, flight manual supplements, etc.) is the property of the STC holder. An STC holder who allows a pe rson to alter an aircraft, aircraft engine, or propeller must provide that person with written permission acceptable to the FAA. (R ef. 14 CFR 21.120).

FAA Form 8110-2 (6/20) SUPERSEDES PREVIOUS EDITION Page 3 of 3

Number: SE04651CH Effective Date: March 11, 2026

4. Intermixing 100R in any aircraft/engine with other approved fuel grades is solely permitted in accordance with Swift Fuels Service Instruction SI-1, dated June 28, 2022.

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