# STC SA01422AT-D - Type: Supplemental type certificate - Status: Current, Reissued - Holder: Summit Aviation Inc., United States - Description: Installation of Lower Cabin Door Stiffener - Applied: July 15, 1997 - Status date: September 21, 2022 - Product: Aircraft, Small Airplane - Certification basis: Part 3, Part 21, Part 21 - Data sheets: [TCDS 3A15](https://openairdocs.org/tcds/3A15), [TCDS 3A16](https://openairdocs.org/tcds/3A16) - Certificate PDF: https://openairdocs.org/files/sha256/21/03/2103a636b8f2bfe10d22c3c4fff7f37b5ec96263be13d5b8be46de9ba1c5830c - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID102412542020221017131144.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SA01422AT-D ## ADs that name it (0) None. ## Approved models (4) - Raytheon Aircraft Company 33 Series ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Raytheon Aircraft Company 35 Series ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Raytheon Aircraft Company 36 Series ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Textron Aviation Inc. 58 ([TCDS 3A16](https://openairdocs.org/tcds/3A16)) ## 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. 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 th e property of the STC holder. FAA Form 8110-2 (5/14) Page 1 of 3 Number: SA01422AT-D This certificate issued to: Summit Aviation, Inc. 243 Burgess Road, STE A Greensboro, NC 27409 Part 3 of the Federal Aviation Regulations. Original Product – Type Certificate Number: Make: Beechcraft* 3A15* Model: 33, 35, 36* Installation of Lower Cabin Door Stiffener in accordance with Atlantic Aero, Inc. Master Drawing List 16413001, Rev. A, dated February 9, 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. 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. *For additional Type Certificate Numbers, Makes and Models, See Continuation Sheet Page 2. Date of Application: July 15, 1997 Date of Issuance: September 23, 1997 Date Reissued: June 12, 2014, January 11, 2016, February 14, 2018, September 21, 2022 Date Amended: February 10, 1999 Signature Title (for) Christina M. Underwood Manager, ACO Branch 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 th e property of the STC holder. FAA Form 8110-2 (5/14) Page 2 of 3 Transfer Endorsement Transfer the ownership of Supplemental Type Certificate Number: SA01422AT-D To (Name and address of transferee) From (Name and address of grantor) 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 th e property of the STC holder. FAA Form 8110-2 (5/14) Page 3 of 3 (Continuation Sheet) Number: SA01422AT-D Limitations and Conditions (Continued) Additional Models: Make Model TCDS No. Cert. Basis Beech 58 3A16 CAR 3 END ## Every issue (2) - September 21, 2022: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/21/03/2103a636b8f2bfe10d22c3c4fff7f37b5ec96263be13d5b8be46de9ba1c5830c) - January 11, 2016: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/21/75/217524556d0071ab3328b6ac305db1adc0576a2cead537a0136caa0d669337e2) --- 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.