# STC SA3556SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Associated Air Center, Inc. - c/o CT Corporation System
- Description: Oxygen system modification
- Status date: December 18, 2017
- Data sheets: A3WE
- Certificate PDF: https://openairdocs.org/files/sha256/0a/9b/0a9b999e0a0f11d2d05015b4082daf576d1a030290cdeaf5e614c24c313c6a56
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID110355182620230327135325.0001
- Page: https://openairdocs.org/stc/SA3556SW

## ADs that name it

None.

## Approved models (1)

- The Boeing Company 727-200 Series (TCDS A3WE)

## 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.

FAA Form 8110-2 (8/13) Page 1

Part of the Federal A viation Regulations.

Original Product – Type Certificate Number: MDNH:

MRGHO:

Signature

Title

SA3556SW Associated Air Center, Inc. - c/o CT Corporation System 1999 Bryan Street, Suite 900 Dallas, TX 75201 4b A3WE Boeing 727-200 Oxygen system modification in accordance with Associated Air Center Drawing List No. 46000-10, dated October 28, 1985, or later FAA approved revision.

Data pertaining to this modification are considered inadequate for duplication in other aircraft. This approval is limited to the installation made in Boeing Model 727-200, Serial Number 21010.

Certification Basis of this STC refers to Part 4b of the Civil Air Regulations (CAR 4b.)

4/9/1985 1/2/1986 12/18/2017 Jose Mora-Vargas ODA Administrator ODA-710437-SW

FAA Form 8110-2 (8/13) Page 2

To (Name and address of transferee) From (Name and address of grantor) Extent of Authority (if licensing agreement):

SA3556SW

## Every issue (1)

- December 18, 2017: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/0a/9b/0a9b999e0a0f11d2d05015b4082daf576d1a030290cdeaf5e614c24c313c6a56)

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From OpenAirDocs.org, an independent open copy of FAA data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.