# STC SA5724SW

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Tracor, Inc, United States
- Description: Installation of single Tracor 7800 Omega/VLF navigation system.
- Applied: November 1, 1983
- Status date: February 6, 1986
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A6WE](https://openairdocs.org/tcds/A6WE)
- Certificate PDF: https://openairdocs.org/files/sha256/92/0c/920c71472a83246f167fcc720b177909ab04bd51fddfd9e7a6cc89c344f244d4
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/EF94B41AF76BFB0185256CC200122AFD.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA5724SW

## ADs that name it (0)

None.

## Approved models (3)

- The Boeing Company DC-9-81 (MD-81) ([TCDS A6WE](https://openairdocs.org/tcds/A6WE))
- 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: SA57245W Project STA-002 JWW-192 This certificate issued to: 14. Tracor, Inc.

6500 Tracor Lane Austin, Texas 78721 Part 25 of the Federal AvIatIon Hegulations.

Original Product - Type bertificate Number: AGWE Make: McDonnell Douglas Model: DC-9-81, DC-9-82, DC-9-83 Description of Type Design Change:

Installation of Single Tracor 7800 Omega/VLF Navigation System in accordance with Drawing List 148537-0001, Revision B dated 12/11/85, or later FAA approved revision.

FAA Approved Airplane Flight Manual Supplement dated May 19, 1984, Revision A dated February 6, 1986, 1s required.

Compatibility of this modification with other previously approved modifications must be determined by the installer.

Date of Application: November 1, 1983 Date Reissued:

Date of Issuance: May 19, 1984 Date Amended: February 6, 1986 Revision 1 FEDERA AVIATION For L. B. Andriesen (Signature) Mamase By Direction of the Administrator OHINISTRAIO Acting Manager, Aircraft Certification Division Southwest Region (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):

Date of Transfer: - Signature of grantor (In ink):.

U.S. GOVERNMENT PRINTING OFFICE: 1966 OF-205-579

## Every issue (1)

- February 6, 1986: Amended, Current. [certificate](https://openairdocs.org/files/sha256/92/0c/920c71472a83246f167fcc720b177909ab04bd51fddfd9e7a6cc89c344f244d4)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.