# STC SA4257SW

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Royale Turbines, Inc, United States
- Description: Installation of coat closet in passenger compartment.
- Applied: August 22, 1980
- Status date: January 7, 1981
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A21SO](https://openairdocs.org/tcds/A21SO)
- Certificate PDF: https://openairdocs.org/files/sha256/fd/1c/fd1ca021d05abf84dd8b6db011fd2bb8346b39b6c8769bd334ef4fb96d731dcd
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/F3C0F13F6F8C7DDF85256CC2000E3AE4.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA4257SW

## ADs that name it (0)

None.

## Approved models (2)

- Embraer S.A. EMB-110P1 ([TCDS A21SO](https://openairdocs.org/tcds/A21SO))
- Embraer S.A. EMB-110P2 ([TCDS A21SO](https://openairdocs.org/tcds/A21SO))

## 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 &tates of amtriea ©cpartment of transportation— federal 2toiation administration Supplemental t^pe Certificate tSUvrrvwr- SA4257S1 Royale Turbines,, Inc.

Shre vapor t Regional Airport Shreveport, Louisiana 71109 Project A5044SW-DS JLP-212 t-fleattta/ivnA'.

^^ 23 Federal Aviation A21SO EHB-110P1, EMB-110P2 of coat closet in pesseager compartanent according to Drawing 80*1400, Sheets 1 through 3, dated 7/14/80 and Drawing 80*1401 dated 7/15/80, or later FAA approved revision.

with other previously approved modifications determined by the installer.

^^^ August 221 1980 January 7, 1981 7O^Y/ Oj __ Xy/^ 4*1fSf • _ / atf ji/tt (Signaturef Jv~5an P. Watson // Chief, Engineering and Manufacturing BranchU —— alteration of this certificate is punishable by a fine of not exceeding $1,000, or imprisonment not exceeding 3 years, or both.

FAA Fo«M 81 10-2 (10-68)

## Every issue (1)

- January 7, 1981: Issued, Current. [certificate](https://openairdocs.org/files/sha256/fd/1c/fd1ca021d05abf84dd8b6db011fd2bb8346b39b6c8769bd334ef4fb96d731dcd)

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