# STC ST11110SC

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: AMAC Aerospace Switzerland AG
- Description: Installation of an Executive Interior
- Status date: June 11, 2026
- Data sheets: A20WE
- Certificate PDF: https://openairdocs.org/files/sha256/c4/17/c4175938b6a2573243d5f23129bff737177ac0f359c59738e0467a7042c312e6
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID113764118420260813212835.0001
- Page: https://openairdocs.org/stc/ST11110SC

## ADs that name it

None.

## Approved models (1)

- The Boeing Company 747-8 Series (TCDS A20WE)

## 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.

United States of America Department of Transportation Federal AviationAdministration Supplemental Type Certificate IMPORT Number: ST11110SC F$$ Page 1 of BB3B

This certificate issued to: AMAC Aerospace Switzerland AG Sternengasse 18 4051 Basel Switzerland

Part 25 of 14 CFR .

Original Product rfype Certificate 'Num6er: A20WE Make: Boeing Description of Type Design Change: Model: 747-8 Installation of an Executive Interior in accordance with (1) StandardAero Master Document List (MDL) Document No. 3057000000, Rev. H, dated September 24, 2021, or later FAA/ODA approved revision and (2) Airplane Flight Manual Supplement (AFMS) Document No. 3057021090, Rev. A, dated March 30, 2016, or later FAA/ODA approved revision.

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

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.

(Continued on page 3)

Date of Application: 04/14/2014 Date Reissued: 12/11/2017 01/18/2018 06/11/2026 Date of Issuance: 02/19/2016 Date Amended: 09/30/2021

Digitally signed by GRANT E YOUNGDAHL see continuation sheet for additional dates By Direction of the Administrator Signature:

for Mr. Jason Deutschman Title: Acting Manager, Central Certification Branch Compliance & Airworthiness Division Aircraft Certification Service

United States of America Department of Transportation Federal AviationAdministration Supplemental Type Certificate IMPORT Number: ST11110SC Page 2 of B3BB )$$

1Effective (Jate: 06/11/2026

United States of America Department of Transportation Federal AviationAdministration Supplemental Type Certificate IMPORT (Continuation Sheet) Page B3BB of BB3B )$$

Number: ST11110SC 1Effective (Jate: 06/11/2026 Certification Basis (continued):

The same as that identified on Type Certificate Data Sheet A20WE, except for the election of later amendments as listed.

Special Conditions:

25-606-SC 'Shoulder Belt Airbags for Side-Facing Seats' 25-625-SC 'Installation of an Airbag System to limit the Axial Rotation of the upper leg on Single-Place Side-Facing Seats' 25-675-SC 'Non-Rechargeable Lithium Batteries'

This airplane configuration takes advantage of Exemption No. 10809 (Regulatory Docket No. FAA-2013-0277).

Airworthiness limitation inspections per 14 CFR Part 25, Appendix H, are contained in Chapter 3 of StandardAero Instructions for Continued Airworthiness (ICA) Document No. 3057050090, Rev. D, dated July 15, 2021, or later FAA/ODA accepted revision.

The Cabin Wireless Local Are Network (WLAN) system is intended to provide internet connection and email services using Portable Electronic Devices (PEDs). Any other intended function of this equipment will require a reexamination of the certification basis.

END

## Every issue (4)

- June 11, 2026: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/c4/17/c4175938b6a2573243d5f23129bff737177ac0f359c59738e0467a7042c312e6)
- September 30, 2021: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/26/36/26361873d8702d69b7088cd7c664f1187083c1fd2458a7d188a927791878d294)
- January 18, 2018: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/8c/21/8c21430b66d02c218ba35aaa591e6c14bdf540b4564bf9eaea028443345c026a)
- February 19, 2016: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/14/ac/14ac3ca5e46053c691f586758dac2cc2cdeed26a07ab26b07740fef142b00f8b)

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From OpenAirDocs.org, an independent open copy of FAA data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.