# STC ST04453NY

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Boeing Ireland Limited, Ireland
- Description: Installation of United Airlines Cabin Reconfiguration - Business Class, Premium Economy and Economy Class Seating
- Applied: February 11, 2020
- Status date: October 1, 2020
- Product: Aircraft, Large Airplane
- Certification basis: Part 21
- Data sheets: [TCDS T00021SE](https://openairdocs.org/tcds/T00021SE)
- Certificate PDF: https://openairdocs.org/files/sha256/bd/ae/bdae91c8087f8f7de579dd7dd2c357c4532fb59fc3906592b367989694d78459
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/711E4503DE30F48F862586BE007D7721.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/ST04453NY

## ADs that name it (0)

None.

## Approved models (1)

- The Boeing Company 787-9 ([TCDS T00021SE](https://openairdocs.org/tcds/T00021SE))

## 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.

FAA Form 8110-2 (11/20) SUPERSEDES PREVIOUS EDITION Page 1 of ___ United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number:

**IMPORT ST04453NY**

**BOEING IRELAND LIMITED LEVEL 3 EAST, CLOGHRAN HOUSE**

DUBLIN AIRPORT DUBLIN AIRPORT K67 F3X2 IRELAND 25 Title 14 Code of Federal Regulations T00021SE Boeing 787-9

1. Installation of United Airlines Cabin Reconfiguration - Business Class, Premium Economy and Economy Class Seating must be in accordance with Boeing Technical Services UK Limited Master Data List No.

B10878-MDL00, Revision 01, dated January 10, 2020, or later European Union Aviation Safety Agency (EASA) approved revision.

(See Description of Type Design Change Continued of 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) February 11, 2020 October 1, 2020 February 14, 2020 Timothy J. Hadsall Acting Manager, New York ACO Branch Compliance & Airworthiness Division Aircraft Certification Service 3

FAA Form 8110-2 (11/20) SUPERSEDES PREVIOUS EDITION Page 2 of ___ United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number:

**IMPORT ST04453NY 3**

FAA Form 8110-2 (11/20) SUPERSEDES PREVIOUS EDITION Page ___ of ___ United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number:

IMPORT ST04453NY Date Reissued: October 1, 2020

Description of Type Design Change (continued):

2. Maintenance of this modification must be in accordance with Boeing Technical Services UK Limited Instructions for Continued Airworthiness No. B10878-ICA00, Revision 02, dated January 7, 2020, or later EASA accepted revisions.

2. If the holder agrees to permit another person to use this certificate to alter a product, the holder must give the other person written evidence of that permission.

3. The following are prerequisites for this STC:

Boeing Technical Services UK Ltd Minor Modification No. 25013 Boeing Master Change No. 2500MK8105 will require EASA approval if aircraft with this STC installed are to be added to an EU register.

4. The following Boeing Technical Services UK Ltd documents define the aircraft prerequisites in terms of interfaces:

- B10878L01- LOPA UAL 787-9 - Rev01

- B10878K05 - PSU Layout Drawing - Rev02 ----------END--------- 3 3

## Every issue (2)

- October 1, 2020: Issued, Current. [certificate](https://openairdocs.org/files/sha256/bd/ae/bdae91c8087f8f7de579dd7dd2c357c4532fb59fc3906592b367989694d78459)
- February 14, 2020: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/73/84/7384395ab6a5238e5184592fba77b515f09807e14216f711c5d551f0eb217e0d)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.