STC SR01067DE

FAA Form 8110-2 (06/20) SUPERSEDES PREVIOUS EDITION Page 1 of ___

Part of .

SR01067DE Concorde Battery Corporation 2009 W San Bernardino Road West Covina, CA 91790 27 Federal Aviation Regulations H1CE Enstrom Helicopter Corporation 480, 480B Installation of main battery replacement with Concorde Lead-Acid battery in accordance with Document No. 5-0702, Master Drawing List, Enstrom 480 & 480B Battery Replacement, Revision NC dated 08/14/20, FAA approved 10/8/2020 or later FAA approved revision. Instructions for Continued Airworthiness (ICA), Document No. 5-0704, Revision NC dated 08/14/20, FAA Accepted 10/8/2020, or later FAA accepted revision are required to be made available at installation. An FAA Approved Rotorcraft Flight Manual Supplement is not required for this modification.

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.

05/07/2020 10/08/2020 Kreg R. Voorhies, ODA Lead administrator Cert Works, LLC ODA ODA No. ODA(AIR)-833887-NM 3

FAA Form 8110-2 (06/20) SUPERSEDES PREVIOUS EDITION Page 2 of ___

SR01067DE SR01067DE 3

SR01067DE 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 Enstrom Helicopters 480 & 480B Concorde valve regulated Lead-Acid battery installation is as follows:

a. The type certification basis for Enstrom Helicopters 480 & 480B helicopter is shown on TCDS H1CE for parts not changed or not affected by the change.

b. The certification basis for parts changed or affected by the change since the reference date of application, May 7, 2020, is based upon 14 CFR Part 27 as amended by amendments 27-1 through 27-23. 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 TCDS Certification Basis (Part 27, Amendments 27-1 through 27-23):

14 CFR Sections: 27.301 Amdt. - ; 27.303 Amdt. - ; 27.305(a,b) Amdt. - ; 27.307(a) Amdt. 27-26; 27.337(a) Amdt. 27-26; 27.341 Amdt. - ; 27.601(a) Amdt. - ; 27.603 Amdt.

27-16; 27.605(a) Amdt. 27-16; 27.609 Amdt. - ; 27.611 Amdt. - ; 27.613 Amdt. 27-26;

27.619(b)(1) Amdt. - ; 27.625(a) Amdt. - ; 27.1301 Amdt. - ; 27.1309(a),(c) Amdt. 27-21;

27.1351(a),(b)(1)(i)(ii) Amdt. 27-13; 27.1353(a-e) Amdt. 27-14; 27.1529 Amdt. 27-18

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