# STC ST04736NY

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Aerospace Design and Compliance LLC, United States
- Description: True Blue TS28 Emergency Battery Power Supply Replacement
- Applied: June 7, 2024
- Status date: September 11, 2024
- Product: Aircraft, Large Airplane
- Certification basis: Part 25
- Data sheets: [TCDS A22CE](https://openairdocs.org/tcds/A22CE), [TCDS T00012WI](https://openairdocs.org/tcds/T00012WI), [TCDS T00015WI](https://openairdocs.org/tcds/T00015WI)
- Certificate PDF: https://openairdocs.org/files/sha256/eb/22/eb2231d04b1bfc6b9faa6a6e97e9788432d2bbb3ca5e20b7362351f12c657e8f
- Approved model list and other attachments: [ST04736NY_AML.pdf](https://openairdocs.org/files/sha256/6e/7b/6e7b44006ae8c44fabbaed4466ba59650e104c3eb9b0552e09733de8e66e66b2)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID176664983720240918174304.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/ST04736NY

## ADs that name it (0)

None.

## Approved models (7)

- Textron Aviation Inc. 500 ([TCDS A22CE](https://openairdocs.org/tcds/A22CE))
- Textron Aviation Inc. 550 ([TCDS A22CE](https://openairdocs.org/tcds/A22CE))
- Textron Aviation Inc. 560 ([TCDS A22CE](https://openairdocs.org/tcds/A22CE))
- Textron Aviation Inc. 680 ([TCDS T00012WI](https://openairdocs.org/tcds/T00012WI))
- Textron Aviation Inc. 680A ([TCDS T00012WI](https://openairdocs.org/tcds/T00012WI))
- Textron Aviation Inc. 700 ([TCDS T00015WI](https://openairdocs.org/tcds/T00015WI))
- Textron Aviation Inc. S550 ([TCDS A22CE](https://openairdocs.org/tcds/A22CE))

## 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.

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ST04736NY Aerospace Design & Compliance, LLC., 10 Corporate Circle, Suite 225 New Castle, DE 19720 25* Title 14 Code of Federal Regulations * See attached FAA Approved Model List (AML), Doc AML25-AML-0171, rev IR, or later FAA approved revision for the list of approved airplane models.

True Blue TS28 Emergency Battery Power Supply Replacement. See attached FAA Approved Model List (AML) - AML25-AML-0171 for required data. Instructions for Continued Airworthiness shall be made available to the operator at the time of installation and be incorporated into the operator's maintenance program.

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

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

(3) This STC is applicable to all serial numbers for these applicable aircraft models.

June 7, 2024 September 11, 2024 ODA administrator, ODA-834634-NE 3

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Too (Name and address of transferee):

Date oI transfer:

ST04736NY 3

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nited States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: ST04736NY Date of Issuance: September 11, 2024 Certification Basis:

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

1) The type certification basis for parts not changed or not affected by the change remain as specified in the applicable TCDS as noted on the attached FAA Approved Model List (AML) - AML25-AML-0171.

(2) The certification basis for parts changed or affected by the change since the reference application date, June 7, 2024, is based upon Title 14 CFR part 25 as listed on the TCDS as noted on the attached FAA Approved Model List (AML) AML25-AML-0171.

---------------------------------------------------- END -------------------------------------------------------- 33

### ST04736NY_AML.pdf

AML25-AML-0171 Rev IR Page 1 of 1

FAA Approved Model List ST04736NY

Aerospace Design & Compliance LLC True Blue TS28 Emergency BaƩery Power Supply Replacement

Item Make Model Cert Basis/Amendment TCDS Master Data List Revision/Date InstrucƟons for ConƟnued Airworthiness IniƟal Approval Date Amended Date 1 Textron AviaƟon Inc.

500, 550, S550, 560 14 CFR part 25, as listed in TCDS A22CE AML25-MDL-0171 Rev IR 09Sep24* AML25-ICA-0171 Rev IR 23Jul24** 11Sep2024 2 Textron AviaƟon Inc.

680, 680A 14 CFR part 25, as listed in TCDS T00012WI AML25-MDL-0171 Rev IR 09Sep24* AML25-ICA-0171 Rev IR 23Jul24** 11Sep2024 3 Textron AviaƟon Inc.

700 14 CFR part 25, as listed in TCDS T00015WI AML25-MDL-0171 Rev IR 09Sep24* AML25-ICA-0171 Rev IR 23Jul24** 11Sep2024 * Or later FAA Approved Revision ** Or later FAA Accepted Revision

FAA Approved ______________________ O D A a d m i n i s t r a t o r , ODA-834634-NE Date: 11Sep2024

## Every issue (1)

- September 11, 2024: Issued, Current. [certificate](https://openairdocs.org/files/sha256/eb/22/eb2231d04b1bfc6b9faa6a6e97e9788432d2bbb3ca5e20b7362351f12c657e8f), [ST04736NY_AML.pdf](https://openairdocs.org/files/sha256/6e/7b/6e7b44006ae8c44fabbaed4466ba59650e104c3eb9b0552e09733de8e66e66b2)

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