# STC SA03393CH - Type: Supplemental type certificate - Status: Current, Reissued - Holder: Aircraft Structures International Corp. Enid Woodring Regional Airport, United States - Description: Installation of a Pratt and Whitney Canada, PT6A-140 Engine - Applied: September 10, 2014 - Status date: January 9, 2020 - Product: Aircraft, Small Airplane - Certification basis: Part 21, Part 23 - Data sheets: [TCDS A37CE](https://openairdocs.org/tcds/A37CE) - Certificate PDF: https://openairdocs.org/files/sha256/71/3c/713c2b51112c3c4531637244d9e07b06c8b31f3cff1afb96d583d622a8248e85 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DB892B9F5BC2AE3D862585190051CED1.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SA03393CH ## ADs that name it (0) None. ## Approved models (1) - Textron Aviation Inc. 208 ([TCDS A37CE](https://openairdocs.org/tcds/A37CE)) ## 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(10-68) PAGE 1 of 4 PAGES Number SA03393CH This certificate issued to Part 23 of the Federal Aviation Regulations. (See Page 3 for complete certification basis) Installation of a Pratt and Whitney Canada, PT6A-140 Engine in accordance with Standard Aero Master Data List 1016188, Revision (C), dated March 29, 2016 or later FAA approved revision. 1. The installer must determine whether this design change is compatible with previously approved modifications. 2. FAA Approved Airplane Flight Manual Supplement document number 1025569, Rev (B) dated February 29, 2016, or later FAA approved revision is a required part of this modification. 3. If the holder agrees to permit another person to use this certificate to alter the product, the holder must give the other person written evidence of that permission. Aircraft Structures International Corp. Enid Woodring Regional Airport 1026 S 66th St., Hangar 33 Enid, OK 73701 A37CE Make: Textron Aviation Inc. Model: 208B Date of application : September 10, 2014 Date of issuance: April 14, 2016 Date reissued : March 29, 2018; January 9, 2020 (Signature) Steven L. Lardinois Manager, Systems Section Chicago ACO Branch (Title) Number SA03393CH Date of Issuance: April 14, 2016 Date Reissued: March 29, 2018; January 9, 2020 Certification Basis (continued) Based on 14 CFR §§ 21.115, 21.101 and the FAA policy for significant changes in FAA Order 8110.48, the certification basis for the Textron Aviation Inc. 208B Installation of a Pratt and Whitney Canada, PT6A-140 Engine components is as follows: a. The type certification basis for Textron Aviation Inc. 208B Installation of a Pratt and Whitney Canada, PT6A-140 Engine is shown on TCDS A37CE 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, September 10, 2014, is based upon TCDS A37CE. 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 amendment level in TCDS A37CE and later. 23.1(a, b)(23-34), 23.21 (a, b), 23.33(a, d)(23-50), 23.45(a, b(1, 3), d-g)(23-50), 23.49(a(2-6), b)(23-62), 23.53(a, b)(23-62), 23.63(a(1-2), c)(23-50), 23.65(b)(23-62), 23.69(a)(23-50), 23.71(23-50), 23.75(d)(23-50), 23.77(b)(23-50), 23.143(a(1-5)(23-50), 23.145(a-e(1))(23-50), 23.147(c)(23-50), 23.155(a(1), b, c)(23-50), 23.161(a, b(1), c)(23-50), 23.171, 23.173(a, b(1), c)(23-34) 23.175 (a, b(1), c)(23-50), 23.177(a)(23-50), 23.181(d)(23-45), 23.201(a-f)(23-62), 23.203(a-c)(23-62), 23.207(c)(23-7), 23.231(a), 23.233(c)(23-50), 23.251(23-45), 23.301(a-c)(23-28), 23.303, 23.305(a, b), 23.307(a), 23.601, 23.603(a, b)(23-23), 23.605(a)(23-23), 23.607(23-17), 23.609(a, b), 23.611(23-7), 23.613(a-c)(23-23), 23.619(23-7), 23.623(a, b)(23-7), 23.625(a-c)(23-7), 23.627, 23.629(a-i)(23-62), 23.831(a)(23-42), 23.863(a-d)(23-34), 23.865(23-48), 23.867(a-c)(23-49), 23.901(a, b, d(2), e(1))(23-53) 23.903(a(1), a(2i), b(1-2), e, f)(23-62), 23.905(a-d)(23-59), 23.907(a(2), b, c)(23-59), 23.925(a, d)(23-51), 23.929(23-51), 23.933(b)(23-51), 23.937(a, b)(23-43), 23.939(a)(23-42), 23.943(23-43) 23.951(a, d)(23-43), 23.954(a-c)(23-7), 23.955(a, f(1))(23-51), 23.961(23-43), 23.991(a(2), b, d)(23-43), 23.997(a-d)(23-43), 23.1011(a-c)(23-43), 23.1017(b)(23-14), 23.1019(a)(23-43), 23.1041(23-51), 23.1043(a(1-3), b, c)(23-51), 23.1045(a-c)(23-51), 23.1091(c)(23-51), 23.1093(b)(23-51) Number SA03393CH Date of Issuance: April 14, 2016 Date Reissued: March 29, 2018; January 9, 2020 Certification Basis (continued) Regulations at the amendment level in TCDS A37CE and later. 23.1111(a, b, c)(23-17), 23.1121(e)(23-51), 23.1141(a-f, g(1))(23-51), 23.1143(c)(23-51) 23.1155(23-7), 23.1163(a-e)(23-42), 23.1183(a)(23-51), 23.1189(b)(23-43) 23.1203(a(1iv), b, c, d)(23-51), 23.1301(a-c)(23-62), 23.1305(a(2-3) c(1, 5) e(1))(23-52) 23.1309(a-d)(23-62), 23.1321(a, c)(23-49), 23.1337(a(2-3), c, d)(23-51), 23.1351(a, b(1-3))(23-49), 23.1419(a-b)(23-14), 23.1501(a, b)(23-21), 23.1519, 23.1521(a-e)(23-50), 23.1525(23-45), 23.1527(a)(23- 45), 23.1529(23-26), 23.1541(a, b)(23-21), 23.1543(b, c)(23-50), 23.1549(a-d)(23-45), 23.1581(a-d)(23- 50), 23.1583(b, k)(23-50), 23.1585(a)(23-62), 23.1587(a)(23-62). Regulations at the latest amendment level 36.1(a(2), a(5), c)(36-26), 36.2(b)(36-24), 36.3(36-14), 36.9(a)(36-19), 36.501(c)(36-19) 36.1501(a)(36-15), 36.1581(a(2), c)(36-25), G36.101(a-d)(36-16), G36.103(a-d)(36-16) G36.105(a-g)(36-24), G36.107(a-c)(36-22), G36.109(a-g)(36-16), G36.111(a-c)(36-27) G36.201(a-d)(36-22), G36.203(a, b)(36-16), G36.301(a, b)(36-28). --------------------------------------------END------------------------------------------ ## Every issue (3) - January 9, 2020: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/71/3c/713c2b51112c3c4531637244d9e07b06c8b31f3cff1afb96d583d622a8248e85) - March 19, 2018: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/17/d6/17d69b17af546e220c2c9d5946c7444e563812c04ae6a103c75a2ac8059becde) - April 14, 2016: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/25/7f/257f86d372d7b6ba8547a8d294416b4c14b370df76fc9dd6357dae66dd1565ab) --- 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.