# STC SA3430NM

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Rockwell Collins Inc., United States
- Description: Installation of a Lavatory Auto Dump Drain Valve Modification in accordance with FAA approved Kaiser ElectroPrecision Drawing List DL 0182-0016, Revision "M", dated June 30, 1989, or later FAA approved revision.
- Applied: June 11, 1986
- Status date: November 17, 2011
- Product: Aircraft
- Certification basis: Part 21, Part 25
- Data sheets: [TCDS A20WE](https://openairdocs.org/tcds/A20WE)
- Certificate PDF: https://openairdocs.org/files/sha256/a0/4b/a04b3a8c884d3d50a5ca8ddc551959d8d5cd897355c1710f2c05f12d1c3e688c
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/B7BE80768FFE634C862579890064649B.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3430NM

## ADs that name it (0)

None.

## Approved models (5)

- The Boeing Company 747-100 Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))
- The Boeing Company 747-200B Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))
- The Boeing Company 747-200C Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))
- The Boeing Company 747-200F Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))
- The Boeing Company 747SP Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))

## 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.

2642 Michelle Drive Tustin, CA 92780 Part 25 of the Federal Aviation Regulations.

A20WE Boeing 747-100, -200B, -200C, -200F, SP Description of Type Design Change: Installation of a Lavatory Auto Dump Drain Valve Modification in accordance with FAA approved Kaiser ElectroPrecision Drawing List DL 0182-0016, Revision “M”, dated June 30, 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: June 11, 1986

Date of issuance: December 2, 1986

Date reissued: December 7, 2005; November 17, 2011

Date amended: January 12, 1990

( Signature)

Manager, Cabin Safety, Mechanical & Environmental Systems Branch Los Angeles Aircraft Certification Office (Titl )

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.**

## Every issue (2)

- November 17, 2011: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/a0/4b/a04b3a8c884d3d50a5ca8ddc551959d8d5cd897355c1710f2c05f12d1c3e688c)
- December 7, 2005: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/e9/b2/e9b21f6a6373f7505b5b2dea3b9eb6e948e7721f2dfa58d5c8e60bbc2ecef15d)

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