# STC SA5854NM - Type: Supplemental type certificate - Status: Current, Reissued - Holder: Alloy Aerospace Inc, United States - Description: Modification of the B727 airplane by installation of cascade thrust reversers, acoustic spacers and acoustic tailpipes. - Applied: May 1, 1992 - Status date: February 3, 2017 - Product: Aircraft, Large Airplane - Certification basis: Part 21 - Data sheets: [TCDS A3WE](https://openairdocs.org/tcds/A3WE) - Certificate PDF: https://openairdocs.org/files/sha256/79/97/79970ce8b06167ba68841256d2a3280d758cd85c3f52fb78a19c0a4b54a91e05 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/29032B5A628E8252862580CE0074DD79.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SA5854NM ## ADs that name it (0) None. ## Approved models (1) - The Boeing Company 727-200 Series ([TCDS A3WE](https://openairdocs.org/tcds/A3WE)) ## 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. 6921 FARMDALE AVENUE NORTH HOLLYWOOD, CALIFORNIA 91605 Part 4b of the Civil Air Regulations. A3WE **BOEING** 727-200 Description of Type Design Change: Modification of the B727 airplane by installation o f cascade thrust reversers, acoustic spacers and acoustic tailpipes in accordance with Aviation Equipment, Inc., Master Drawing List No. 33-2000, Revision A, dated October 6, 1962, or later FAA approved revisions. Limitations and Conditions: This installation should not be extended to other specific aircraft of these models on which other previously approved modifications are incorporated, unless it is determined that the inte rrelationship between this change and any previously approved modifications wi ll introduce no adverse effect upon the airworthiness of that aircraft. In addition, this installation can only be accomplished in conjunc tion with, or subsequent to, incorporation of Federal Express Corporation Supplement al Type Certificate No. SA5839NM dated September 15, 1992. 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. This certificate and the supporting data, which is the basis for approval, shall remain in effect until surrendered, suspended, revoked or a termination date is otherwise established by the Administrator of the Federal Aviation Administration. Date of application: May 1, 1992 Date of issuance: November 20, 1992 Date reissued: January 18, 2013, February 3, 2017 Date amended: (Signature) Steve Bogucki Manager, Technical Support & Administrative Support Staff Los Angeles Aircraft Certification Office (Title) NOTE: **DO NOT DELETE THIS PAGE.** **DO NOT ADD ANY DATA TO THIS PAGE.** **THIS PAGE IS FOR PAGE NUMBERING PURPOSES, PLEASE DISCARD PRINTED COPY.** Number ## Every issue (2) - February 3, 2017: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/79/97/79970ce8b06167ba68841256d2a3280d758cd85c3f52fb78a19c0a4b54a91e05) - January 18, 2013: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/a1/10/a1106e2f6ef379641c224042f220e8fb41df95c26b6ee7c9b4769b5d2f6e80a2) --- 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.