# STC SA01973AT-D - Type: Supplemental type certificate - Status: Current, Reissued - Holder: Summit Aviation Inc., United States - Description: Installation of a Composite Support Flange for the Inertial Separator Duct - Applied: July 8, 1999 - Status date: July 14, 2023 - Product: Aircraft, Small Airplane - Certification basis: Part 23 - Data sheets: [TCDS A37CE](https://openairdocs.org/tcds/A37CE) - Certificate PDF: https://openairdocs.org/files/sha256/31/fb/31fb465941d607341581a31a59796df2c9c4cd3c96d4a76c9e0397759e79cb41 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID116326951020230721163315.0001 - DRS record last changed: December 5, 2025 - Page: https://openairdocs.org/stc/SA01973AT-D ## ADs that name it (0) None. ## Approved models (2) - Textron Aviation Inc. 208 ([TCDS A37CE](https://openairdocs.org/tcds/A37CE)) - Textron Aviation Inc. 208B ([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. SA01973AT-D Summit Aviation, Inc. 243 Burgess Road, STE A Greensboro, NC 27409 Part 23 Title 14 Code of Federal Regulations A37CE Cessna 208, 208A, 208B Installation of a Composite Support Flange for the Inertial Separator Duct in accordance with Atlantic Aero, Inc. Master Drawing List 16393001, Rev. Basic, dated December 15, 1999, or later FAA Approved revision. This approval should not be extended to other aircraft of this model on which other previously approved modifications are incorporated, unless it is determined by the installer that the interrelationship between this change and any other previously approved modifications will produce no adverse effect upon the airworthiness of that airplane. (See Limitations and Conditions Continued on Page 3 of 3) July 8, 1999 January 12, 2000 Christina M. Underwood Manager, East Certification Branch Compliance & Airworthiness Division Aircraft Certification Service 3 June 12, 2014, January 11, 2016, February 14, 2018, July 14, 2023 SA01973AT-D 3 SA01973AT-D Date Reissued: July 14, 2023 If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission. The following Document is a required part of this STC: a. Atlantic Aero Document 16393010, Instructions for Continued Airworthiness, Rev. NR, dated December 15, 1999 or later FAA approved revision. -------------------------------------------------------END------------------------------------------------------- 3 3 ## Every issue (2) - July 14, 2023: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/31/fb/31fb465941d607341581a31a59796df2c9c4cd3c96d4a76c9e0397759e79cb41) - January 11, 2016: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/da/2c/da2c55d74442137c81ccb3f31a925232069cd4ca5016b2b044e058641b09ea01) --- 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.