# STC SA3926SW-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: June 5, 1987
- Product: Aircraft, Large Airplane
- Certification basis: Part 21, Part 25
- Data sheets: [TCDS A6WE](https://openairdocs.org/tcds/A6WE)
- Certificate PDF: https://openairdocs.org/files/sha256/d5/0f/d50fd8b14655cb336c786ae3b77918694354352ae2fffa0783e557f8ef73400c
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/83B93543E32A5DBE85256CC2000C5BA7.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3926SW-D

## ADs that name it (0)

None.

## Approved models (2)

- The Boeing Company DC-9-82 (MD-82) ([TCDS A6WE](https://openairdocs.org/tcds/A6WE))
- The Boeing Company DC-9-83 (MD-83) ([TCDS A6WE](https://openairdocs.org/tcds/A6WE))

## What the certificate says

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

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA3926 SN-D This certificate issued to: 11- American Airlines, inc.

Maintenance & Engineering Center Tulsa, OK 74151 Part 25 of the Federal Aviation Hegulations.

Original Product - Type bertificate Number: AGWE Make: McDonnell Douglas Model: DC-9-82, -83 Description of Type Design Change:

Install floor proximity emergency path markings in compliance with FAR amendments 25-58 and 121-183 per ECO K1201.

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 installation.

Date of Application: 03/12/86 Date Reissued:

Date of Issuance: 04/04/86 Date Amended: 6/5/87 FEDERAL AVIATION By Direction of the Administrator (Signature) A. P. Voeller OMINISTRATO DAS-1SW Coordinator (Title)

47.

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):

Date of Transfer: _ Signature of grantor (In ink):

## Every issue (1)

- June 5, 1987: Amended, Current. [certificate](https://openairdocs.org/files/sha256/d5/0f/d50fd8b14655cb336c786ae3b77918694354352ae2fffa0783e557f8ef73400c)

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