STC SR00881DE

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate The STC’s supporting documentation (drawings, instructions, specifications, flight manual supplements, etc.) is the property oft h eS T C holder.

FAA Form 8110-2 (5/14) Page 1 of This certificate issued to:

Part of the

Signature

Title 3 SR00881DE RSG AeroDesign, LLC 3900 Falcon Way West, Hanger 16S Fort Worth, TX 76106 Federal Aviation Regulations29 Installation of Fuel Bay Modification in accordance with Document No. 00BL207400003, Master Document List, Fuel Bay Modification, Revision B dated 2020-03-16, FAA approved 4/16/2020 or later FAA approved revision. FAA Approved Flight Manual Supplement, Document No. 10BL207300006, Revision A dated 4/15/2020, FAA approved 4/20/2020 or later FAA approved revision, is required for this installation. Instructions for Continued Airworthiness (ICA), Document No. 10BL207200005, Revision IR dated 3/19/2020, FAA accepted 4/15/2020, or later FAA accepted revision is required to be made available at installation.

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. This STC is eligible only on Bell 412EP, Serial Numbers 37002 through 37999, with a marketing designation of 412EPI.

(Certification Basis on page 3 of 3) Kreg R. Voorhies ODA Administrator, Cert Works ODA(AIR)-833887-NM Bell 412EP - SN's 37002 thru 37999 8/1/2017 4/20/2020 H4SW

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate The STC’s supporting documentation (drawings, instructions, specifications, flight manual supplements, etc.) is the property oft h eS T C holder.

FAA Form 8110-2 (5/14) Page 2 of

To (Name and address of transferee) From (Name and address of grantor) Extent of Authority (if licensing agreement):

3 SR00881DE

The STC’s supporting documentation (drawings, instructions, specifications, flight manual supplements, etc.) is the property oft h eS T C holder.

FAA Form 8110-2 (5/14) Page 3 of

3 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 Bell 412EP installation of the Fuel Bay Modification is as follows:

a. The type certification basis for Bell 412EP series airplane is shown on TCDS H4SW 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, 8/1/2017, is based upon 14 CFR Part 29, effective February 1, 1965 plus Amendments 29-1 through 29-2, and additional requirements at later amendment level per the TCDS H4SW. 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 Regulations at an intermediate amendment;

None Regulations at the amendment level in TCDS H4SW;

14 CFR Sections: 29.29 Amdt. - ; 29.301 Amdt. - ; 29.303 Amdt. - ; 29.305(a) Amdt. - ; 29.307(a) Amdt. - ; 29.337(a) Amdt. - ; 29.341 Amdt. - ; 29.561 Amdt. - ; 29.601(a) Amdt. - ; 29.603 Amdt. - ; 29.605 Amdt. - ; 29.607 Amdt. - ; 29.609(a) Amdt. - ; 29.611 Amdt. - ;

29.613 Amdt. - ; 29.619(b)(1) Amdt. - ; 29.625 Amdt. - ; 29.771(a-c) Amdt. 29-24; 29.773 Amdt. 29-57; 29.777 Amdt. - ; 29.863 Amdt.

- ; 29.901(b)(2,3) Amdt. - ; 29.951 Amdt. - ; 29.955(a)(1),(b) Amdt. 29-2; 29.957(a),(b)(1) Amdt. - ; 29.959 Amdt. - ; 29.963(a,b,d) Amdt. - ; 29.967(a,b,e,f) Amdt. - ; 29.975(a)(4,5) Amdt. - ; 29.979 Amdt. - ; 29.993(a,d) Amdt. - ; 29.1301 Amdt. - ; 29.1309(a,b) Amdt.

29-24; 29.1337(b)(1-3) Amdt. - ; 29.1501(a,b) Amdt. 29-15; 29.1529 Amdt. 29-20; 29.1541 Amdt. - ; 29.1557(c)(1) Amdt. 29-26;

29.1581(a,b,d) Amdt. 29-15; 29.1583(c) Amdt. 29-24 ---------------------------------- END- --------------------------------- SR00881DE