STC ST9092SC

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate This certificate issued to:

ST9092SC Honeywell International Inc.

1944 E Sky Harbor Circle N Phoenix, AZ 85034 .

the Federal Aviation Regulations See AML Make: Original Product Type Certificate Number:

Boeing See attached FAA Approved Model List (AML) RECORE® BASF Corporation (formerly Engelhard Corporation) Ozone Converter P/N D-19811-3 in accordance with Honeywell LORI Sealed Drawing List SDL4203-1 Rev. A, dated 5 July 2019 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.

October 22, 2018 Date Reissued:

October 1, 2021 Date of Issuance: Date Amended:

August 26, 2019 By Direction of the Administrator Signature:

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

ST9092SC

ST9092SC Certification Basis:

a. The type certification basis for the Boeing Model 757 and 767 Series airplanes are reflected on TCDS A2NM revision 32 and TCDS A1NM revision 37 respectively for parts not changed or affected by the change.

b. The certification basis for parts changed or affected by the change since the reference date of the application, October 22, 2018, is based upon part 25 as amended by Amendment 25-145. Based on 14 CFR §§21.115 and 21.101, and the FAA policy for significant changes in FAA order 8110.48, the certification basis for this modification was determined to be:

Regulations at the latest amendment

Section Amdt.

25.603 25-46

25.605 25-46

25.832 25-94

25.1301(a) 25-123

25.1438(b) 25-41

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