# STC SA4970NM

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Goodrich Aviation Technical Services Inc., United States
- Description: Interior rearrangement. (737-3Y0)
- Applied: May 3, 1990
- Status date: April 12, 2002
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21, Part 25
- Data sheets: [TCDS A16WE](https://openairdocs.org/tcds/A16WE)
- Certificate PDF: https://openairdocs.org/files/sha256/8d/12/8d12b1b1554a8c7d215dd43a5a6edd6065bc993df008009140d0c3d6bcb72fd9
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/3ACAED3ACDA83CF585256CC2000E400D.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA4970NM

## ADs that name it (0)

None.

## Approved models (1)

- The Boeing Company 737 ([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.

Number SA4970NM This certificate, issued to Goodrich Aviation Technical Services, Inc.

3100 112 th St SW Everett, WA 98204-3500

Part 25 of the Federal Aviation Regulations. (See Type Certificate Data Sheet A16WE for complete Certification basis).

Original ProductType Certificate Number: A16WE Make: Boeing Model: 737-3YO

Description of the Type Design Change: Interior Rearrangement in accordance with TRAMCO Top Drawing 90-041, Revision B, dated August 9, 1990 or later FAA approved revisions.

Limitations and Conditions: Approval of this change in type design applies basically to the above model aircraft only. This approval should not be extended to other aircraft of this model on which other previously approved modifications are incorporated unless it is determined that the relationship between this change and any of those other previously approved modifications, including changes in type design, will introduce no adverse effect upon the airworthiness of that aircraft. A copy of this certificate and Top Drawing Number 90-041 must be maintained as part of the permanent records for the modified 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.

Date of application: May 3, 1990 Date reissued: April 12, 2002 Date of issuance: August 21, 1990 Date amended:

(Signature)

Acting Manager, Seattle Aircraft Certification Office (Title)

## Every issue (1)

- April 12, 2002: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/8d/12/8d12b1b1554a8c7d215dd43a5a6edd6065bc993df008009140d0c3d6bcb72fd9)

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