# STC SA5746NM

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: TASS Inc, United States
- Description: Installation of Smiths Industries Dual ANCDU (P/N 167550-02-01)
- Applied: April 30, 1992
- Status date: April 27, 2012
- Product: Aircraft, Large Airplane
- Certification basis: Part 21, Part 25
- Data sheets: [TCDS A16WE](https://openairdocs.org/tcds/A16WE)
- Certificate PDF: https://openairdocs.org/files/sha256/1f/13/1f13289665dfa9f2dcc3414f8fff5c380a496fdb4b8d2eb1bf21ae7ffff2ece5
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/A2F88695C2A28B7F862579F40062615A.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA5746NM

## ADs that name it (0)

None.

## Approved models (1)

- The Boeing Company 737-500 Series ([TCDS A16WE](https://openairdocs.org/tcds/A16WE))

## 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.

Number SA5746NM

This certificate, issued to TASS, Inc.

12016 115th Ave NE, Suite 100 Kirkland, WA 98034

Part 25 of the Federal Aviation Regulations.

Original ProductType Certificate Number: A16WE Make: Boeing Model: 737-500

Description of the Type Design Change: Installation of Smiths Industries Dual ANCDU (P/N 167550-02-01) per Tramco Top Drawing 92-077, Revision “New,” dated April 9, 1992, or later Federal Aviation Administration (FAA) approved revision.

Limitations and Conditions: This approval should not be extended to other aircraft of this model on which other previously approved modifications are incorporated unless it is determined by the installer that the interrelationship between this change and other previously approved modifications will introduce no adverse effect upon the airworthiness of that aircraft. A copy of this certificate and FAA-approved Flight Manual Supplement, dated July 20, 1992, must be maintained as part of the permanent records for the modified aircraft.

Date of application: April 30, 1992 Date reissued: April 27, 2012 Date of issuance: July 21, 1992 Date amended:

(Signature)

Acting Manager, Seattle Aircraft Certification Office (Title)

## Every issue (1)

- April 27, 2012: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/1f/13/1f13289665dfa9f2dcc3414f8fff5c380a496fdb4b8d2eb1bf21ae7ffff2ece5)

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