# STC ST04740NY

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Lee Aerospace Inc., United States
- Description: Installation of LAI Windshields
- Applied: June 5, 2024
- Status date: October 18, 2024
- Product: Aircraft, Large Airplane
- Certification basis: Part 25
- Data sheets: [TCDS A14SW](https://openairdocs.org/tcds/A14SW), [TCDS A16SW](https://openairdocs.org/tcds/A16SW)
- Certificate PDF: https://openairdocs.org/files/sha256/e8/da/e8da6f38ed65dfab56bac73aa30d620f0ca9e85161b7d66f94fa3019cae84ab1
- Approved model list and other attachments: [ST04740NY_AML.pdf](https://openairdocs.org/files/sha256/52/da/52dae4a8acc5a782a70e97c1082b20839df791a94fbdfe67ae62868a4fd91511)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID157975257320241025162203.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/ST04740NY

## ADs that name it (0)

None.

## Approved models (3)

- Textron Aviation Inc. 400 ([TCDS A16SW](https://openairdocs.org/tcds/A16SW))
- Textron Aviation Inc. 400A ([TCDS A16SW](https://openairdocs.org/tcds/A16SW))
- Textron Aviation Inc. MU-300 ([TCDS A14SW](https://openairdocs.org/tcds/A14SW))

## 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 Aviation Administration Supplemental Type Certificate Number 

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Original Product 7\SH&HUWLILFDWH1XPEHU Make:

VHHFRQWLQXDWLRQVKHHW IRUDGGLWLRQDOGDWHV By Direction of the Administrator Signature:

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9323 E. 34th St. N.

Wichita, Kansas 67226 25 Title 14, Code of Federal Regulations See Attached AML See Attached AML See Attached AML Installation of LAI Windshields. See Attached FAA Approved Model List (AML) No.

ST04740NY for required data.

(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 this certificate to alter a product, the holder must give the other person written evidence of that permission. (Continued on page 3 of 3) 6/5/24 10/18/24 ODA administrator ODA-834634-NE 3

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number  (IIHFWLYH'DWH I Transferr Endorsementt Transfer the ownership of Supplemental Type Certificate Number:

Too (Name and address of transferee):

Date oI transfer:

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(Continuation Sheet) Number  (IIHFWLYH'DWH  $Q\DOWHUDWLRQRIWKLVFHUWLILFDWHLVSXQLVKDEOH E\D ILQH RIQRW H[FHHGLQJRULPSULVRQPHQWQRWH[FHHGLQJ \HDUVRUERWK7KLVFHUWLILFDWH PD\ EHWUDQVIHUUHGRUPDGH DYDLODEOHWR WKLUGSHUVRQVE\OLFHQVLQJDJ UHHPHQWVLQDFFRUGDQFHZLWK&)53RVVHVVLRQ RIWKLV6XSSOHPHQWDO7\SH &HUWLILFDWH 67& GRFXPHQWE\SHUVRQVRWKHUWKDQ WKH 67&KROGHUGR HVQRWFRQVWLWXWHULJKWVWRWKHGHVLJQGDWD QRUWRDOWHUDQ DLUFU DIW DLUFUDIWHQJLQH KROGHU$Q 67&KROGHUZKRDOORZVDSHUVRQWRXVHWKH67&WRDOWHUDQDLUFUDIWDLUFUDIWHQJLQHRUSURSHOOHUPXVWSURYLGH WKDWSHUVRQZLWKZULWWHQ SHUPLVVLRQ DFFHSWDEOHWR WKH)$$ 5HI &)5  )$$  3DJH BBBRI BBB ST04740NY Limitations and Conditions (continued from page 1 of 3):

(3). This STC is applicable to all serial numbers for the make and models as listed in the attached AML.

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 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 in the attached FAA Approved Model List No.

ST04740NY.

(2) The certification basis for parts changed or affected by the change since the reference date of the application, June 5, 2024, is based upon Part 25 as amended as listed in the TCDS as noted in the attached FAA Approved Model List No. ST04740NY.

Regulations at later amendments than noted on the applicable TCDS listed on the attached AML:

14 CFR Part Amdt.

25.613(c) 25-112

25.1529 25-54

--------------------END-------------------- 33 10/18/24

### ST04740NY_AML.pdf

Page 1 of 1

FAA Approved Model List ST04740NY Lee Aerospace, Inc.

Installation of LAI Windshields

Item Make Model Cert Basis/Amendment TCDS Master Data List Revision/Date Instructions for Continued Airworthiness Initial Approval Date Amended Date 1 Textron Aviation Inc.

MU-300 14 CFR part 25, as listed in TCDS A14SW LAI-MDL-140 Rev IR dated 07 OCT 2024* LAI-ICA-140 Rev IR dated 28 JUN 2024** 18 OCT 2024 2 Textron Aviation Inc.

400, 400A 14 CFR part 25, as listed in TCDS A16SW LAI-MDL-140 Rev IR dated 07 OCT 2024* LAI-ICA-140 Rev IR dated 28 JUN 2024** 18 OCT 2024

* Or later FAA Approved Revision ** Or later FAA Accepted Revision

FAA Approved _________________ ODA administrator, ODA-834634-NE Date: 18 OCT 2024

## Every issue (1)

- October 18, 2024: Issued, Current. [certificate](https://openairdocs.org/files/sha256/e8/da/e8da6f38ed65dfab56bac73aa30d620f0ca9e85161b7d66f94fa3019cae84ab1), [ST04740NY_AML.pdf](https://openairdocs.org/files/sha256/52/da/52dae4a8acc5a782a70e97c1082b20839df791a94fbdfe67ae62868a4fd91511)

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