# STC SA9079SC-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Honeywell International Inc., United States
- Description: Recore of AiResearch Precooler, P/N 194430-1, -2 in accordance with Honeywell LORI Sealed Drawing List SDL3779-1, Revision A, dated 11 October 2005 or later FAA approved revision.
- Applied: November 14, 1997
- Status date: September 27, 2021
- Product: Aircraft, Large Airplane
- Certification basis: Part 21
- Data sheets: [TCDS 4A25](https://openairdocs.org/tcds/4A25)
- Certificate PDF: https://openairdocs.org/files/sha256/68/ef/68ef620ec3c9a8064a142da0b9a7aaf290f9aa9dc8a279bdcbdae9c1fe4c2273
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/520D38E3737DAB108625876C0054E5EE.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA9079SC-D

## ADs that name it (0)

None.

## Approved models (6)

- The Boeing Company DC-8-71 ([TCDS 4A25](https://openairdocs.org/tcds/4A25))
- The Boeing Company DC-8-71F ([TCDS 4A25](https://openairdocs.org/tcds/4A25))
- The Boeing Company DC-8-72 ([TCDS 4A25](https://openairdocs.org/tcds/4A25))
- The Boeing Company DC-8-72F ([TCDS 4A25](https://openairdocs.org/tcds/4A25))
- The Boeing Company DC-8-73 ([TCDS 4A25](https://openairdocs.org/tcds/4A25))
- The Boeing Company DC-8-73F ([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 This certificate issued to:

SA9079SC-D Honeywell International Inc.

1944 E Sky Harbor Circle N Phoenix, AZ 85034 .

the Civil Air Regulations 4A25 Make: Original Product Type Certificate Number:

McDonnell Douglas DC-8-71, DC-8-71F, DC-8-72, DC-8-72F, DC-8-73, DC-8-73F Recore of AiResearch Precooler, P/N 194430-1, -2 in accordance with Honeywell LORI Sealed Drawing List SDL3779-1, Revision A, dated 11 October 2005 or later FAA approved revision.

1) Compatibility of this modification with previously installed equipment must be determined by installer.

2) 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.

November 14, 1997 Date Reissued:

October 11, 2005; September 27, 2021 Date of Issuance: Date Amended:

May 11, 1998 October 11, 2005 By Direction of the Administrator Signature:

William S. Shealy ODA Administrator, ODA-602216-NM

SA9079SC-D

## Every issue (2)

- September 27, 2021: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/68/ef/68ef620ec3c9a8064a142da0b9a7aaf290f9aa9dc8a279bdcbdae9c1fe4c2273)
- October 11, 2005: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/04/0c/040c2ad66b47e76f1c87e15242ea39c3e1a80b3ce23b60598751b0e5518c03eb)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.