# STC SA9086SC-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Honeywell International Inc., United States
- Description: Recore of Hamilton Standard Heat Exchangers 778683-2 for Installation on deHavilland DHC-8 Series Aircraft and 778683-2 for Installation on Fokker F27 Mark 050 Aircraft, in accordance with Honeywell LORI Sealed Drawing List SDL3545-1, Revision C, dated 11 October 2005 or later FAA approved revision.
- Applied: August 16, 1995
- Status date: October 1, 2021
- Product: Aircraft, Large Airplane
- Certification basis: Part 21, Part 25
- Data sheets: [TCDS A13NM](https://openairdocs.org/tcds/A13NM), [TCDS A-817](https://openairdocs.org/tcds/A-817)
- Certificate PDF: https://openairdocs.org/files/sha256/85/e9/85e9e0ce9802ce17d4d93a9f2b0fadb6b9e6f1385a1975992d4a17ddf832bdba
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/869AC8C472A3F7FB8625876C0059FBF4.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA9086SC-D

## ADs that name it (0)

None.

## Approved models (8)

- Bombardier Inc. DHC-8-101 ([TCDS A13NM](https://openairdocs.org/tcds/A13NM))
- Bombardier Inc. DHC-8-102 ([TCDS A13NM](https://openairdocs.org/tcds/A13NM))
- Bombardier Inc. DHC-8-103 ([TCDS A13NM](https://openairdocs.org/tcds/A13NM))
- Bombardier Inc. DHC-8-106 ([TCDS A13NM](https://openairdocs.org/tcds/A13NM))
- Bombardier Inc. DHC-8-301 ([TCDS A13NM](https://openairdocs.org/tcds/A13NM))
- Bombardier Inc. DHC-8-311 ([TCDS A13NM](https://openairdocs.org/tcds/A13NM))
- Bombardier Inc. DHC-8-315 ([TCDS A13NM](https://openairdocs.org/tcds/A13NM))
- Fokker Services F27 Mark 050 ([TCDS A-817](https://openairdocs.org/tcds/A-817))

## 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:

SA9086SC-D Honeywell International Inc.

1944 E Sky Harbor Circle N Phoenix, AZ 85034 .

the Federal Aviation Regulations A13NM, A-817 Make: Original Product Type Certificate Number:

deHavilland, Fokker DHC-8-100, -300; F-27 Mark 050 Recore of Hamilton Standard Heat Exchangers 778683-2 for Installation on deHavilland DHC-8 Series Aircraft and 778683-2 for Installation on Fokker F27 Mark 050 Aircraft, in accordance with Honeywell LORI Sealed Drawing List SDL3545-1, Revision C, 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.

August 16, 1995 Date Reissued:

10/15/96; 10/11/05; 10/1/21 Date of Issuance: Date Amended:

February 9, 1996 10/11/05 By Direction of the Administrator Signature:

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

SA9086SC-D

## Every issue (2)

- October 1, 2021: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/85/e9/85e9e0ce9802ce17d4d93a9f2b0fadb6b9e6f1385a1975992d4a17ddf832bdba)
- October 11, 2005: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/45/36/45369a413d37c1c69f0ae91db90af4f1e8cd8798b73c647a5badf7a1a0ab6010)

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