# STC SA3924SW-D

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: American Airlines Inc, United States
- Description: Install floor proximity emergency path markings.
- Applied: March 12, 1986
- Status date: October 5, 1987
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21, Part 25
- Data sheets: [TCDS A22WE](https://openairdocs.org/tcds/A22WE)
- Certificate PDF: https://openairdocs.org/files/sha256/86/0d/860db2737ed2f8e6b4a38c96b33c92d91946ac8c70beecd569cef9de686aed1f
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/E117A81F316DCD0D86257DEA005A6792.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA3924SW-D

## ADs that name it (0)

None.

## Approved models (2)

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

1036 United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA3924 SW-D This certificate issued to: American Airlines Maintenance & Engineerinq Center Tulsa, OK 74151 Certifies that the change in the type design for the folliwing product with the limitations and conditions therefor as specified hereen meets the airesthiness requirements if Pure. 25 of the Federal Aviation Regulations.

Original Product -Type Certificate Number: A22WE Make: McDonnell Douglas Model: DC10-10, -30 Description of Type Design Change:

Install floor proximity emergency path markings in compliance with FAR Amendments 25-58 and 121-183 per ECO R3570, dated 3/19/86, R3570A dated 5/27/86, R3570B dated 2/24/87, and R3570C dated 5/29/87.

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

Date of Application: 3/12/86 Date Reissued:

Date of Issuance: 3/21/86 Date Amended: 3/6/87, 6/3/87, 6/23/81, 8/25/81 FEDERAL AVIATION By Direction of the Administrator 10/5/87 Amendment 5

1. P. Voeller Allocelu Signature, POMINISTRATO DAS-1SW Coordinator (Title)

TRANSFER ENDORSEMENT 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 ) Extent of Authority (if licensing agreement):

Signature of grantor (In ink): _

## Every issue (1)

- October 5, 1987: Amended, Current. [certificate](https://openairdocs.org/files/sha256/86/0d/860db2737ed2f8e6b4a38c96b33c92d91946ac8c70beecd569cef9de686aed1f)

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