# STC SA3995SW-D

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: American Airlines Inc, United States
- Description: Remove two cabin closets and install four seat assemblies and a new class divider.
- Applied: August 27, 1997
- Status date: November 11, 1997
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A22WE](https://openairdocs.org/tcds/A22WE)
- Certificate PDF: https://openairdocs.org/files/sha256/d7/d2/d7d2d2cab3009481e886e8195621097fcaf208ac7e8776afed4c5d1b166a0677
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/8F854C9DE8ADF10D85256CC2000C5C61.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3995SW-D

## ADs that name it (0)

None.

## Approved models (1)

- The Boeing Company DC-10-30 ([TCDS A22WE](https://openairdocs.org/tcds/A22WE))

## What the certificate says

This is OCR from the scanned FAA certificate. OCR can misread letters and numbers.

Hamitro States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number SA 3995 SW-D This certificate issued to: American Airlines, Inc.

P. O. Box 582809 Tulsa, Oklahoma 74158-2809 Part 25 of the Federal Aviation Regulations.

Original Product - Type berlificate Number: A22WE Маке: McDonnell Douglas Model: DC-10-30 Description of Type Design Change:

Remove two cabin closets and install four seat assemblies and a new class divider per ECO R4663XX dated 9/5/97 and Prototype Revsion Form 7721-5 dated 11/11/97 and ECO R4669XX dated 9/5/97 and Prototype Revsion Form 7721-5 dated 11/11/97 or later DASTS W approved revisions of each.

This approval should not be incorponted in any aircraft of this specific model until compatibility of this modification with previously approved modifications has been determined by the installer.

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: Jute missued:

8/27/97/ Date of Issuance: 11/11/97 Date Amended:

FEDERAL AVIATION By Direction of the Administrator E1Grvs TOMINISTRATO E. J. Grewe DAS1SW Coordinator (Signature ) (Title)

47.

TRANSFER ENDORSEMENT Transter 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)

- November 11, 1997: Issued, Current. [certificate](https://openairdocs.org/files/sha256/d7/d2/d7d2d2cab3009481e886e8195621097fcaf208ac7e8776afed4c5d1b166a0677)

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