# STC ST04433NY

- 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: December 11, 2019
- 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/sha256/4b/7d/4b7da77eecaed6195ecfc480d46e52f958abeff07a8418484f72cd9a9dae9a15
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/B02559A2F7DD22A9862586BE007D41D2.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/ST04433NY

## ADs that name it (0)

None.

## Approved models (1)

- The Boeing Company 787-8 ([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 ST04433NY**

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

DUBLIN AIRPORT DUBLIN AIRPORT K67 F3X2 IRELAND 25 Title 14 Code of Federal Regulations T00021SE Boeing 787-8

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.

B21792-MDL00, Revision 02, dated December 18, 2019, 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) December 11, 2019 October 1, 2020 December 18, 2019 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 ST04433NY 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 ST04433NY 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. B21792-ICA00, Revision 02, dated December 17, 2019, 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 (and will require EASA approval if with this STC installed are to be added to an EU register):

FAA STC No. ST09723AC Boeing Master Change No. 2500MK8110 ----------END--------- 3 3

## Every issue (2)

- October 1, 2020: Issued, Current. [certificate](https://openairdocs.org/files/sha256/4b/7d/4b7da77eecaed6195ecfc480d46e52f958abeff07a8418484f72cd9a9dae9a15)
- December 18, 2019: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/95/53/9553bcf17c77de9cc06353ca5ac47dd0178e02ba9f2cbdc9c82d6f6c63b2aca7)

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