# STC SA4895NM - Type: Supplemental type certificate - Status: Current, Reissued - Holder: Rockwell Collins Inc, United States - Description: Installation of a Lavatory Auto-Dump Drain Valve Modification - Applied: December 29, 1988 - Status date: October 30, 2016 - Product: Aircraft - Certification basis: Part 21, Part 25 - Data sheets: [TCDS A16WE](https://openairdocs.org/tcds/A16WE) - Certificate PDF: https://openairdocs.org/files/sha256/3d/53/3d53e8007fed91f6b6793a80002149f2d94032d131634830d1523544d34ee341 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/E09EB2120F8B6CEB862580B200604F17.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SA4895NM ## ADs that name it (0) None. ## Approved models (2) - The Boeing Company 737-200 Series ([TCDS A16WE](https://openairdocs.org/tcds/A16WE)) - The Boeing Company 737-300 Series ([TCDS A16WE](https://openairdocs.org/tcds/A16WE)) ## 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 Rockwell Collins, Inc. 1733 Alton Parkway Irvine, California 92606 Part 25* of the Federal Aviation Regulations. A16WE Boeing 737-200, -300 Description of Type Design Change: Installation of a Lavatory Auto-Dump Drain Valve Modification in accordance with FAA approved Kaiser ElectroPrecision Drawing List DL RYY509-026 Revision “B”, dated December 1, 1989, or later FAA approved revision. Limitations and Conditions: The approval of this change in type design applies to the aforementioned models only. This modification should not be incorporated in any aircraft unless it is determined that the interrelationship between this change and any previously approved configuration will not introduce any adverse effect upon the airworthiness of the 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. 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: December 29, 1988 Date of issuance: July 26, 1990 Date reissued: December 7, 2005; November 17, 2011; October 30, 2016 (Signature) Manager, Technical & Administrative Support Staff, Los Angeles Aircraft Certification Office (Title) Transfer the ownership of the Supplemental Type Certificate Number to (Name of transferee) (Address of transfer) (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 (3) - October 30, 2016: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/3d/53/3d53e8007fed91f6b6793a80002149f2d94032d131634830d1523544d34ee341) - November 17, 2011: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/99/16/99167dc18bc2b19ecd8e3020be470ba7c49460a296f2e466f16763075a208cd5) - December 7, 2005: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/30/87/308714cd0be9655556f100ea420d6f91edb4155edd0b2fa4176c008f239ca2e4) --- 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.