# STC SA2771NM-D - Type: Supplemental type certificate - Status: Current, Reissued - Holder: United Airlines Inc, United States - Description: Installation of auxiliary potable water tank at Sta 1439, RBL 64, WL 190. Installation is based on production drawings for 767 "ER" aircraft. The installation is in accordance with United Air Lines Approved DAS-1-WE Drawing List No. 2771 dated March 6, 1990, or later FAA approved revisions. - Applied: December 12, 1990 - Status date: November 30, 2011 - Product: Aircraft, Large Multi-Engine - Certification basis: Part 21, Part 25 - Data sheets: [TCDS A1NM](https://openairdocs.org/tcds/A1NM) - Certificate PDF: https://openairdocs.org/files/sha256/36/96/3696064b437afff6b19c7fecebca424eab50e0732f7184e5a2ce29ac6eb1ec94 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/699D7549DB07193F862579960055993F.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SA2771NM-D ## ADs that name it (0) None. ## Approved models (1) - The Boeing Company 767-200 Series ([TCDS A1NM](https://openairdocs.org/tcds/A1NM)) ## 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. This Certificate issued to United Air Lines, Inc. 600 Jefferson Street Houston, Texas 77002 Part 25* of the Federal Aviation Regulations. * Ref. Type Certificate Data Sheet A1NM for Special Conditions. Original Product Type Certificate Number : A1NM Make: Boeing Model: 767-200 Series Description of Type Design Change : Installation of auxiliary potable water tank at Sta 1439, RBL 64, WL 190. Installation is based on production drawings for 767 “ER” ai rcraft. The installation is in accordance with United Air Lines Approved DAS-1-WE Drawing List No. 2771 dated March 6, 1990, or later FAA approved revisions. Limitations and Conditions : The approval of this installation applies b asically to the 767-200 Series only. This approval should not be extended to other aircraft of th is model on which other previ ously approved modifications are incorporated unless it is determined by the installer th at the interrelationship betwee n this change and any of those previously approved modifications will introduce no a dverse effect upon the airworthiness of this aircraft. If the holder agrees to permit another person to use this certifi cate to alter the product, the holder shall give the other person written evidence of that permission. Date of application : December 12, 1990 Date of issuance : March 6, 1990 Date reissued : November 30, 2011 ( Signature) Haifa Haj-Eid Supervisor, Technical & Administrative Support Staff Los Angeles Aircraft Certification Office ( 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) Signature of grantor (In ink): U.S. GPO 1987-763-28 ## Every issue (1) - November 30, 2011: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/36/96/3696064b437afff6b19c7fecebca424eab50e0732f7184e5a2ce29ac6eb1ec94) --- 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.