# STC SA640NW - Type: Supplemental type certificate - Status: Current, Reissued - Holder: Safran Cabin Inc., United States - Description: Installation of contemporary deep rack interior. - Applied: January 18, 1978 - Status date: August 20, 2021 - Product: Aircraft, Large Airplane - Certification basis: Part 21 - Data sheets: [TCDS A6WE](https://openairdocs.org/tcds/A6WE) - Certificate PDF: https://openairdocs.org/files/sha256/92/2f/922fc2873ffb40e0c7264df87e55544ea1fc911e48b02f4a5552bb4a2633c806 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/B8D089C6FDCAF34E8625875F00420997.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SA640NW ## ADs that name it (0) None. ## Approved models (4) - McDonnell Douglas Corporation DC-9 Series ([TCDS A6WE](https://openairdocs.org/tcds/A6WE)) - McDonnell Douglas Corporation DC-9-10 Series ([TCDS A6WE](https://openairdocs.org/tcds/A6WE)) - The Boeing Company DC-9-14 ([TCDS A6WE](https://openairdocs.org/tcds/A6WE)) - The Boeing Company DC-9-15 ([TCDS A6WE](https://openairdocs.org/tcds/A6WE)) ## 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 This certificate issued to: SA640NW Safran Cabin, Inc. 5701 Bolsa Avenue Huntington Beach, CA 92647 . Civil Air Regulations A6WE Make: Original Product Type Certificate Number: Boeing (McDonnell Douglas) DC-9-10, DC-9-14, DC-9-15 Installation of Contemporary Deep Rack interior in accordance with Heath Tecna Drawing List 7939760, (excluding the – 509 inst), Revision L, dated March 24, 1983, or later FAA approved revision. Approval of this change in type design applies to the above model aircraft only. This approval should not be extended to other aircraft of these models on which other previously approved modifications are incorporated, unless it is determined that the relationship between this change and any of those previously approved modifications, including changes in type design, will introduce no adverse effect upon the airworthiness of that aircraft. The resulting interior arrangement, along with the required placarding, has not been evaluated and is not part of this STC. A copy of this certification must be maintained as part of the permanent records for the modified aircraft. 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. January 18, 1978 Date Reissued: 8/22/78; 8/28/90; 6/1/96; 7/20/00; 2/17/05; 10/9/20; 8/20/21 Date of Issuance: Date Amended: July 21, 1978 8/28/90 By Direction of the Administrator Signature: For Acting Manager, Seattle ACO Branch FAA Form 8110-2 (11/20) SUPERSEDES PREVIOUS EDITION Page 1 of ___ 2 SA640NW FAA Form 8110-2 (11/20) SUPERSEDES PREVIOUS EDITION Page 2 of ___ 2 ## Every issue (3) - August 20, 2021: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/92/2f/922fc2873ffb40e0c7264df87e55544ea1fc911e48b02f4a5552bb4a2633c806) - October 9, 2020: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/e7/e3/e7e3ead989ddce20b3b94c503558f53d6f221a1d748c9ac167651b6456c44f63) - February 17, 2005: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/0a/e0/0ae01369711b2d7aad4bd82a32e222858443acf11c02c1b71bf99bf02b67da9e) --- 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.