# STC SA1970NM

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Rockwell Collins Inc, United States
- Description: Installation of a Trans Com ARINC Communications Addressing and Report System (ACARS)
- Applied: May 11, 1983
- Status date: June 27, 2016
- Product: Aircraft, Large Airplane
- Certification basis: Part 21
- Data sheets: [TCDS A6WE](https://openairdocs.org/tcds/A6WE)
- Certificate PDF: https://openairdocs.org/files/sha256/ac/21/ac2158be04245a86572a4463779d0e33a7b5e0e47ef38714dac07375a2e35d30
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/C0A571A7EAB9189486257FEE0069A408.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1970NM

## ADs that name it (0)

None.

## Approved models (4)

- 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))
- The Boeing Company DC-9-87 (MD-87) ([TCDS A6WE](https://openairdocs.org/tcds/A6WE))

## 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 Rockwell Collins, Inc.

1733 Alton Parkway Irvine, California 92606 Part 4b* of the Civil Air Regulations *(See Type Certificate Data Sheet A6WE) Original Product Type Certificate Number :

A6WE McDonnell Douglas DC-9-80 Description of Type Design Change: Installation of a Trans Com ARINC Communications Addressing and Report System (ACARS) in accordance with Trans Com Master Drawing No.

960-0224, Revision “A” dated April 11, 1983 or later FAA approved revisions.

Limitations and Conditions: 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 that aircraft. If the holder agrees to permit another person to use this certificate to alter the product, 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: May 11, 1983

Date of issuance: April 14, 1983

Date reissued: November 20, 1989; August 30, 2000; May 30, 2006; June 27, 2016

(Signature)

Manager, Technical & Administrative Support Staff, Los Angeles Aircraft Certification Office (Title)

## Every issue (1)

- June 27, 2016: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/ac/21/ac2158be04245a86572a4463779d0e33a7b5e0e47ef38714dac07375a2e35d30)

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