STC ST00159IB

United States of America Department of Transportation Federal AviationAdministration Supplemental Type Certificate IMPORT Number: ST00159IB FAA Form 8110-2 (03/21) Page 1 of 4

PARC AVIATION ENGINEERING SERVICES LIMITED This certificate issued to: UNIT 2.1, BLOCK 2

WOODFORD BUSINESS PARK SANTRY DUBLIN, 17 IRELAND

Part 25 of Title 14 Code of Federal Regulations .

Original Product Type Certificate Number: A16WE Make: The Boeing Company

Model: 737-8 Description of Type Design Change:

1. Installation of 189 Passenger Seating Layout. This modification introduces a cabin layout by installing 63 economy class triple seats generating a 189 passenger seating configuration including associated changes in the cabin to adapt to the new layout and must be in accordance with Parc Aviation Engineering Services Master Document List Doc. No. 737-25186-MDL, Rev. 00, dated July 27, 2023, or later EASA approved revisions.

(See Description of Type Design Change Continued on Page 3 of 3)

1. The installer must determine whether this design change is compatible with previously approved modifications.

(See Limitations and Conditions Continued on Page 3 of 3)

Date of Application: August 31, 2023 Date Reissued:

Date of Issuance: November 29, 2023 Date Amended:

for: Anthony E. Gallo Manager, International Validation Branch Compliance & Airworthiness Division Title: Aircraft Certification Service

United States of America Department of Transportation Federal AviationAdministration Supplemental Type Certificate IMPORT Number: ST00159IB FAA Form 8110-2 (03/21) Page 3 of 4

United States of America Department of Transportation Federal AviationAdministration Supplemental Type Certificate IMPORT

(Continuation Sheet) Number: ST00159IB Date of Issuance: November 29, 2023

Description of Type Design Change (continued):

2. Aircraft is to be maintained in accordance with Parc Aviation Engineering Services Instructions for Continued Airworthiness Doc. No. 737-25186-ICA-01, Rev. 00, dated February 10, 2023, or later EASA accepted revisions.

3. Installation, operation, and maintenance of Non-Electrical Floor Path Marking System must be in accordance with FAA STC ST02269NY.

3. Aircraft is to be maintained in accordance with the "Airworthiness Limitations" section of ICA Supplemental Data listed in Parc Aviation Engineering Services Instructions for Continued Airworthiness referenced under description of type design change section of this STC.

4. If the holder agrees to permit another person to use the certificate to alter the product, the holder shall give the other person written evidence of that permission.

5. This STC is applicable to all serial numbers for this Make-Model.

Certification Basis:

Based on 14 CFR §21.115 and §21.101, and the FAA policy for changes that are not significant in FAA Order 8110.48A, the certification basis for this modification are as follows:

a) The type certification basis for the Boeing 737-8 aircraft is as shown on TCDS A16WE for parts changed or affected by the change.

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