# STC SA2709SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Honeywell International Inc., United States
- Description: Installation of heat exchanger hush kit.
- Applied: September 15, 1977
- Status date: November 22, 2021
- Product: Aircraft, Large Airplane
- Certification basis: Part 21
- Data sheets: [TCDS A5EU](https://openairdocs.org/tcds/A5EU)
- Certificate PDF: https://openairdocs.org/files/sha256/c0/25/c02561dac8828638c079c8cdb4a379e8091f68f2d0fb70f580833113585bf8bc
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/97078C1D00899A46862587AA00650169.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA2709SW

## ADs that name it (0)

None.

## Approved models (1)

- British Aerospace Airbus Limited 1-11 Series ([TCDS A5EU](https://openairdocs.org/tcds/A5EU))

## 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:

SA2709SW Honeywell International Inc.

1944 E Sky Harbor Circle N Phoenix, AZ 85034 .

the Civil Air Regulations A5EU Make: Original Product Type Certificate Number:

British Aircraft Corp.

1-11 Installation of Heat Exchanger Hush Kit according to Drawing 77LB1012 dated 9/15/77, and Process Specifications LP 0201-002, LR 0201-004C, LP 0201-006, 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.

September 15, 1977 Date Reissued:

10/8/87; 10/1/96; 11/15/05; 11/22/21 Date of Issuance: Date Amended:

January 23, 1978 By Direction of the Administrator Signature:

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

SA2709SW

## Every issue (2)

- November 22, 2021: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/c0/25/c02561dac8828638c079c8cdb4a379e8091f68f2d0fb70f580833113585bf8bc)
- November 15, 2005: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/8d/0e/8d0e6294ec0032ee33e1cbe42081ec363c0ffdcb68e3bfae16a64e059f583d31)

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