# STC SA5070NM

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Teledyne Controls, United States
- Description: Installation of replacement of Aircraft Condition Monitoring System
- Applied: March 19, 1991
- Status date: October 4, 2012
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21, Part 25
- Data sheets: [TCDS A20WE](https://openairdocs.org/tcds/A20WE)
- Certificate PDF: https://openairdocs.org/files/sha256/d8/c4/d8c41f5d259d076737d56cffb8e7f801f3ba99b0d84503140e06601c6626504a
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/9BD3D7847D8C735D86257AA7006A41A1.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA5070NM

## ADs that name it (0)

None.

## Approved models (1)

- The Boeing Company 747-400 Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))

## 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.

This Certificate issued to Teledyne Controls 501 Continental Boulevard El Segundo, CA 90245 Part 25* of the Federal Aviation Regulations.

*for certification basis see TCDS A20WE Original Product Type Certificate Number :

A20WE

Boeing

747-400 Description of Type Design Change: Installation of replacement of Aircraft Condition Monitoring System in accordance with FAA Approved Teledyne Cont rols’ Master Drawing List No. MDL 2232000-747, Revision I/R, dated April 11, 1991, or later FAA approved revisions.

Limitations and Conditions: The approval of this change in t ype design applies only to the above-list model aircraft. This installation should not be incorporated in any aircraft unless it is determined that the interrelationship between this installation and any previously approved configuration will not introduce any adverse effect upon the airworthiness of the aircraft . If the holder agrees to permit another person to use this certificate to alter the pr oduct, the holder shall give the other person written evidence of that permission.

This certificate and the supporting data, which is the basis for approval, shall remain in effect until surrendered, suspended, revoked or a termination date is otherwise established by the Administrator of the Federal Aviation Administration.

Date of application: March 19, 1991

Date of issuance: April 29, 1991

Date reissued: October 4, 2012

( Signature) Haifa Haj-Eid Supervisor, Technical and Administrative Support Staff Los Angeles Aircraft Certification Office ( Title)

NOTE:

**DO NOT DELETE THIS PAGE.**

**DO NOT ADD ANY DATA TO THIS PAGE.**

**THIS PAGE IS FOR PAGE NUMBERING PURPOSES, PLEASE DISCARD PRINTED COPY.**

## Every issue (1)

- October 4, 2012: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/d8/c4/d8c41f5d259d076737d56cffb8e7f801f3ba99b0d84503140e06601c6626504a)

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