# STC SA8081SW-D - Type: Supplemental type certificate - Status: Current, Amended - Holder: L-3 Communications Integrated Systems LP, United States - Description: Installation of a TACAN System to provide a second TACAN navigation data source independent of the existing system - Applied: June 25, 1991 - Status date: March 22, 2013 - Product: Aircraft, Large Airplane - Certification basis: Part 21, Part 121, Part 129 - Data sheets: [TCDS A3WE](https://openairdocs.org/tcds/A3WE) - Certificate PDF: https://openairdocs.org/files/sha256/d0/e4/d0e4c645261c4f7e195590b64dc34fd7ca40c35644f0cd394f52b8524d051f4c - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/D0AC97B6C6A0394D86257B4A0054365E.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SA8081SW-D ## ADs that name it (0) None. ## Approved models (1) - The Boeing Company 727 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. Number SA8081SW-D This Certificate issued to L-3 Communications Integrated Systems, L.P. 10001 Jack Finney Blvd. Greenville, TX 75402 Part 4b of the Civil Air Regulations. Original Product Type Certificate Number: A3WE Make : Boeing Model : 727 Description of Type Design Change: : Installation of a TACAN System to provide a second TACAN navigation data source independent of the existing system in accordance with E-Systems Sealed Drawing List SDL 7492-2, Rev. B dated 18 June 1992 or later FAA approved data. Airplane Flight Manual Supplement dated 19 June 1992 or later FAA approved revision is required. 1. Compatibility of this design change with previously approved modifications must be determined by the installer. 2. 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. 3. When installed, airplanes with this STC are limited to operations excluding those of an Air Carrier. Specifically, no operations under 14 CFR 121, 14 CFR 129 or any foreign Air Carrier are permitted. Date of application: 25 June 1991 Date reissued : July 29, 2002 Date of issuance : 19 June 1992 Date amended : March 22, 2013 – Amdt 1 By direction of the Administrator (Signature) Michael E. Hopper ODA-750173-SW Administrator, Alternate (Title) Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) (Number and street) (City, State, and Zip code) from (Name of grantor) (Print or type) (Address of grantor) (Number and street) (City, State and Zip code) Extent of Authority (if licensing agreement): Signature of grantor (In ink): ## Every issue (1) - March 22, 2013: Amended, Current. [certificate](https://openairdocs.org/files/sha256/d0/e4/d0e4c645261c4f7e195590b64dc34fd7ca40c35644f0cd394f52b8524d051f4c) --- 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.