# STC SA5858NM

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Teledyne Controls, United States
- Description: Installation of Teledyne Controls' Digital Flight Data Acquisition Unit
- Applied: March 24, 1992
- Status date: October 4, 2012
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21, Part 25
- Data sheets: [TCDS A16WE](https://openairdocs.org/tcds/A16WE)
- Certificate PDF: https://openairdocs.org/files/sha256/c9/df/c9df3e74ce3d78af763c994b1f953739a2041545f3f693e6772c7ca67410d35c
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/3E9F7CBAFCC09AA686257AA8004BF786.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA5858NM

## ADs that name it (0)

None.

## Approved models (2)

- The Boeing Company 737-300 Series ([TCDS A16WE](https://openairdocs.org/tcds/A16WE))
- The Boeing Company 737-400 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.

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 A16WE Original Product Type Certificate Number :

A16WE

Boeing

737-300, -400 Series Description of Type Design Change: Installation of Teledyne Controls’ Digital Flight Data Acquisition Unit in accordance with the FAA Approved Master Da ta List Drawing No. MDL 2227000-737, Revision B, dated August 31, 1992, or later FAA approved revisions.

Limitations and Conditions: The approval of this change in t ype design applies only to the above-list model only. 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 24, 1992

Date of issuance: October 22, 1992

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/c9/df/c9df3e74ce3d78af763c994b1f953739a2041545f3f693e6772c7ca67410d35c)

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