What it approves
Modification of air to air heat exchanger (P/N 179450-2-2 or194110-1).
What the certificate says
From the PDF’s text layer, without the form’s printed wording. Layout and order may differ; the PDF is the record.
United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate This certificate issued to:
SA4398SW Honeywell International Inc.
1944 E Sky Harbor Circle N Phoenix, AZ 85034 .
the * Regulations A6WE Make: Original Product Type Certificate Number:
McDonnell Douglas *See attached FAA Approved Model List (AML) Modification of air to air heat exchanger (P/N 179450-2-2 or P/N 194110-1) according to Drawing 85LB2064, Sheets 1 through 3, Revision E, dated 12-07-90, and Drawing 80LB2021, Sheets 1 and 2, Revision P, dated 1-29-91, or later FAA approved revisions. *CAR 4b is applicable to the DC-9 Series through -51. FAR 25 is applicable to the DC-9-80 Series and to Model MD-88.
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.
January 15, 1981 Date Reissued:
10/8/87; 10/01/96; 11/15/05; 11/14/12; 9/10/21 Date of Issuance: Date Amended:
June 26, 1981 8/20/81; 3/20/85; 6/6/91 Revision 3 By Direction of the Administrator Signature:
William S. Shealy ODA Administrator, ODA-602216-NM
SA4398SW
ADs that name this STC · 0
An AD can apply because an STC is installed, or mention one in its text.
Approved models · 2
Every issue · 3
DRS keeps each issue of an STC as its own record, with its own certificate and attachments.
| Date | Status | Files |
|---|---|---|
| September 10, 2021 | Reissued, current | CertificateApproved model list |
| November 14, 2012 | Reissued, earlier issue | CertificateApproved model list |
| November 15, 2005 | Reissued, earlier issue | Certificate |