# STC SR00920DE - Type: Supplemental type certificate - Status: Current, Issued - Holder: RSG Products, United States - Description: Installation of Auxiliary Power System - Applied: October 10, 2017 - Status date: July 9, 2020 - Product: Aircraft, Rotorcraft - Certification basis: Part 21, Part 29 - Data sheets: [TCDS H4SW](https://openairdocs.org/tcds/H4SW) - Certificate PDF: https://openairdocs.org/files/sha256/da/df/dadf814ceb5bc638deec8d18f8430cc8d6fc85ebfb799a1fb397c7900fed9ecd - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/BBB6A6F271E5ECD3862585DE005FA847.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SR00920DE ## ADs that name it (0) None. ## Approved models (1) - Bell Textron Inc. 412EP ([TCDS H4SW](https://openairdocs.org/tcds/H4SW)) ## What the certificate says Read from the PDF's text layer, without the form's printed wording; the layout is lost and the order can differ. The PDF is the record. FAA Form 8110-2 (06/20) SUPERSEDES PREVIOUS EDITION Page 1 of ___ Part of . SR00920DE RSG AeroDesign, LLC 3900 Falcon Way West, Hanger 16S Fort Worth, TX 76106 29 Federal Aviation Regulations H4SW Bell 412EP Installation of Auxiliary Power System in accordance with Document No. 00BL207400005, Master Document List, Auxiliary Power Installation, Revision "-" dated 02/12/2020, FAA approved 7/8/2020 or later FAA approved revision. FAA Approved Flight Manual Supplement, Document No. 10BL207300008, Revision IR dated 2/17/2020, FAA approved 7/8/2020 or later FAA approved revision, is required for this installation. Instructions for Continued Airworthiness (ICA), Document No. 10BL207200007, Revision IR dated 3/27/2020, FAA accepted 7/8/2020, 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. Continued Page 3 of 3 10/10/2017 07/09/2020 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 ___ SR00920DE 3 SR00920DE Limitations and Conditions Continued: 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. Additional FAA approval and substantiation is required for installation of powered electrical or hydraulically driven equipment utilizing this installation. 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 Auxiliary Power Installation is as follows: a. The type certification basis for Bell 412EP series rotorcraft 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, 10/10/2017, 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(a)(b)(3)(c) Amdt. - ; 29.601(a) Amdt. - ; 29.603 Amdt. - ; 29.605 Amdt. - ; 29.607 Amdt. - ; 29.609 Amdt. - ; 29.611 Amdt. - ; 29.613(a-d) Amdt. - ; 29.619(b)(1) Amdt. - ; 29.625(a) Amdt. - ; 29.771(a-c) Amdt. 29-24; 29.773(a) Amdt. 29-57; 29.777 Amdt. - ; 29.853(a) Amdt. 29-23; 29.863 Amdt. - ; 29.1183 Amdt. 29-10; 29.1185(a,c,d) Amdt. - ; 29.1189(a,c,d-f) Amdt. - ; 29.1301(a) Amdt. - ; 29.1301(a-c) Amdt. - ; 29.1301(d) Amdt. - ; 29.1309(a) Amdt. 29-24; 29.1309 (a,c,g,h) Amdt. 29-24; 29.1309(b)(2),(d) Amdt. 29-24; 29.1322 Amdt. 29-12; 29.1337(d) Amdt. - ; 29.1351(a,c) Amdt. 29-14; 29.1351(b)(1,2) Amdt. 29-14; 29.1353(a) Amdt. 29-15; 29.1353(b) Amdt. 29-15; 29.1357(a-d) Amdt. 29-24; 29.1359(c) Amdt. 29-42; 29.1435(a)(1,2,4)(b)(c) Amdt. - ; 29.1435(a) (5,6) Amdt. - ; 29.1501 Amdt. 29-15; 29.1529 Amdt. 29-20; 29.1541 Amdt. - ; 29.1555(a,d) Amdt. 29-24; 29.1581(a,b,d) Amdt. 29-15; 29.1583(a,c,e) Amdt. 29-24; 29.1585(a) Amdt. 29-24; 29.1587(a) Amdt. 29-51 - - - - - - - - - - END - - - - - - - - - 3 3 ## Every issue (1) - July 9, 2020: Issued, Current. [certificate](https://openairdocs.org/files/sha256/da/df/dadf814ceb5bc638deec8d18f8430cc8d6fc85ebfb799a1fb397c7900fed9ecd) --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.