STC SR01106DE

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number  This certificate issued to:

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404 W. Morrison St.

Morgantown, KY 42261 Title 14 Code of Federal Regulations27 MD Helicopters, Inc.

369FF H3WE Installation of Crash Resistant Auxiliary Fuel Tank in accordance with Master Installation Drawing List, Doc. No. R00-02, revision “-“, dated 1/17/2024, FAA approved 3/28/2024 or later FAA approved revision.

(See Continued Sheet Page 3 of 3 Pages)

1. This STC is applicable to all serial numbers for the MD Helicopters Inc. 369FF with the following installations: 1. MD Helicopters TB369F-019, Auxiliary Fuel Tank Floor Modification; 2. b. MD Helicopters TB369F-020, CRFS Auxiliary Fuel Provisions Kit Installation.

8/5/22 9/3/2024 3/29/24 Kreg R. Voorhies, ODA Lead administrator Cert Works, LLC ODA ODA No. ODA(AIR)-833887-NM 3

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number  I Transfer Endorsement Transfer the ownership of Supplemental Type Certificate Number:

Too (Name and address of transferee):

Date oI transfer:

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United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number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escription of Design Change continued:

Installation Instructions and Instructions for Continued Airworthiness (ICA), Doc. No. R03-08, revision A dated 12/20/2023, FAA accepted 3/29/2024, or later FAA accepted revision is required to be made available at installation.

FAA Approved Rotorcraft Flight Manual Supplement, Doc. No. R03-03, revision IR dated 11/22/2023, FAA approved 3/28/2024, or later FAA approved revision is required for this modification.

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

3. 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.

Certification Basis:

Based on 14 CFR §§ 21.115 and 21.101, and the FAA policy for significant changes in FAA Order 8110.48, the certification basis for the installation of Crash Resistant Auxiliary Fuel Tank is as follows:

a. The type certification basis for the MD Helicopters, Inc. 369FF for parts not changed or not affected by the change are shown on TCDS H3WE.

b. The certification basis for parts changed or affected by the change since the reference date of application, 8/5/2022, is based upon CAR 6 dated December 20, 1956, including Amendments 6-1 through 6-4. Based on 14 CFR §§ 21.115 and 21.101, and the FAA policy for significant changes in FAA Order 8110.48, the certification basis for this modification was determined to be:

Regulations at the latest amendment; None 14 CFR Sections: 27.952(a),(b)(1),(c)(1),(d),(e),(f),(g) Amdt. 27-30; 27.963(a),(b),(c),(d),(e),(f),(g) Amdt. 27-30; 27.965(a),(b),(d) Amdt.

27-12; 27.975 Amdt. 27-35; 27.1529 Amdt. 27-18 Regulations at an intermediate amendment; None Regulations at the Original Aircraft Certification Basis amendment level per TCDS H3WE;

CAR Sections: 6.200 Amdt. - ; 6.201 Amdt. - ; 6.202 Amdt. - ; 6.212 Amdt. - ; 6.213 Amdt. - ; 6.260 Amdt. - ; 6.300 Amdt. - ;

6.301 Amdt. - ; 6.302 Amdt. - ; 6.303 Amdt. - ; 6.304 Amdt. - ; 6.306(a,b) Amdt. - ; 6.307(a),(d); 6.353 Amdt. - ; 6.380 Amdt. - ;

6.381 Amdt. - ; 6.423(a),(b),(c); 6.425(a),(b),(c),(e),(f) Amdt. -; 6.428 Amdt. - ; 6.470 Amdt. - ; 6.486 Amdt. - ; 6.601(a),(b),(c),(d) Amdt. - ; 6.730(a)(b) Amdt. - ; 6.737(a)(b)(1,2,4) Amdt. - ; 6.738(b)(1) Amdt. - ; 6.740 Amdt. - ; 6.741(a,c,g) Amdt. - ; 6.742 Amdt.

- ; 6.744 Amdt. - .

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