# STC SA6089NM

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Honeywell International Inc, United States
- Description: Installation of Honeywell standard windshear systems.
- Applied: October 25, 1990
- Status date: March 19, 2020
- Product: Aircraft, Large Airplane
- Certification basis: Part 21
- Data sheets: [TCDS 4A25](https://openairdocs.org/tcds/4A25)
- Certificate PDF: https://openairdocs.org/files/sha256/03/f9/03f98c2ac340fe0d92f630a9b1aa0749da298dc8bbd5d0d7232d778f1985a09b
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/071C70FAB2C3C0C086258629007D6D42.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA6089NM

## ADs that name it (0)

None.

## Approved models (3)

- McDonnell Douglas Corporation DC-8-50 Series ([TCDS 4A25](https://openairdocs.org/tcds/4A25))
- McDonnell Douglas Corporation DC-8-60 Series ([TCDS 4A25](https://openairdocs.org/tcds/4A25))
- McDonnell Douglas Corporation DC-8-70 Series ([TCDS 4A25](https://openairdocs.org/tcds/4A25))

## 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.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Page 1 of 2 FAA Form 8110-2 (5/14)

Number: SA6089NM This certificate issued to: Honeywell International Inc.

21111N 19th Ave Phoenix, Arizona 85027 Part 4b of the Civil Air Regulations.

Original Product – Type Certificate Number: Make: McDonnell Douglas Model:

4A25 DC-8-50, -60, -70 Series

Requirementsfor the installation of Honeywell Standard Windshear System are contained in Honeywell Master Data List Number ML4078063, Revision “-” dated November 9, 1993, or later FAA approved revision. To determine which configuration(s) of the Standard Windshear System have been approved, including the required FAA Approved Airplane Flight Manual supplement, if applicable, refer to appropriate appendixes in the approved Master Data List.

This installation should not be incorporated in any aircraft unlessit isdetermined that the interrelationship between this installation and any of those other previously approved configuration will introduce no adverse effect upon the airworthinessof the aircraft. Refer to the appropriate appendixes in the FAA Approved Master Data List for any other limitations. 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.

Date of Application: October 25, 1990 Date Reissued: March 2, 2009, March 19, 2020

Date of Issuance: December 7, 1993 Date Amended:

Signature

Title Richard B. Sleigh ODA Administrator, ODA-602216-NM

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Page 2 of 2 FAA Form 8110-2 (5/14)

To (Name and address of transferee)

From (Name and address of grantor)

## Every issue (2)

- March 19, 2020: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/03/f9/03f98c2ac340fe0d92f630a9b1aa0749da298dc8bbd5d0d7232d778f1985a09b)
- March 2, 2009: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/47/fc/47fc9d132ed9627eab52ab356959475b7605510f07efe490d0ce996c165efb6b)

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