# STC ST04723NY

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Lee Aerospace Inc., USA
- Description: Installation of LAI Windshields
- Applied: September 30, 2021
- Status date: August 25, 2023
- 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/sha256/7a/68/7a680cc3cf675b7b50aaf0086df01d57f2e0624dd0f42ac6fb3acafa2342d382
- Approved model list and other attachments: [ST04723NY_AML.pdf](https://openairdocs.org/files/sha256/b5/c3/b5c31c67d66753872c93f1a5d46ceb659ef30969e7022f2fb701165f02d9dbb4)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID136305980920230913212145.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/ST04723NY

## 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.

$Q\DOWHUDWLRQRIWKLVFHUWLILFDWHLVSXQLVKDEOHE\D ILQHRIQRWH[FHHGLQJRULPSULVRQPHQWQRWH[FHHGLQJ\HDUVRUERWK7KLVFHUWLILFDWHPD\EHWUDQVIHUUHGRUPDGH DYDLODEOHWRWKLUGSHUVRQVE\OLFHQVLQJDJUHHPHQWVLQDFFRUGDQFHZLWK&)53RVVHVVLRQRIWKLV6XSSOHPHQWDO7\SH&HUWLILFDWH 67& GRFXPHQWE\SHUVRQVRWKHUWKDQ WKH67&KROGHUGRHVQRWFRQVWLWXWHULJKWVWRWKHGHVLJQGDWDQRUWRDOWHUDQDLUFUDIWDLUFUDIWHQJLQHRUSURSHOOHU7KH67&¶VVXSSRUWLQJGRFXPHQWDWLRQ GUDZLQJVLQVWUXFWLRQV SURSHOOHUPXVWSURYLGHWKDWSHUVRQZLWKZULWWHQSHUPLVVLRQDFFHSWDEOHWRWKH)$$ 5HI&)5  ))$$)RUP  3DJH RIBBB United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number:

BB__.

Original Product 7\SH&HUWLILFDWH1XPEHU Make:

ST04723NY Lee Aerospace, Inc.

9323 E. 34th St. N.

Wichita, Kansas 67226 25 Title 14, Code of Federal Regulations See attached FAA Approved Model List(AML) No. ST04723NY for Make and Models Installation of LAI Windshields. See attached FAA Approved Model List (AML) No.

ST04723NY 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.

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

September 30, 2021 August 25, 2023 ODA administrator ODA-834634-NE 3

$Q\DOWHUDWLRQRIWKLVFHUWLILFDWHLVSXQLVKDEOHE\D ILQHRIQRWH[FHHGLQJRULPSULVRQPHQWQRWH[FHHGLQJ\HDUVRUERWK7KLVFHUWLILFDWHPD\EHWUDQVIHUUHGRUPDGH DYDLODEOHWRWKLUGSHUVRQVE\OLFHQVLQJDJUHHPHQWVLQDFFRUGDQFHZLWK&)53RVVHVVLRQRIWKLV6XSSOHPHQWDO7\SH&HUWLILFDWH 67& GRFXPHQWE\SHUVRQVRWKHUWKDQ WKH67&KROGHUGRHVQRWFRQVWLWXWHULJKWVWRWKHGHVLJQGDWDQRUWRDOWHUDQDLUFUDIWDLUFUDIWHQJLQHRUSURSHOOHU7KH67&’s supporting documentation (drawings, instructions, SURSHOOHUPXVWSURYLGHWKDWSHUVRQZLWKZULWWHQSHUPLVVLRQDFFHSWDEOHWRWKH)$$ 5HI&)5  )$$)RUP  3DJH RIBBB United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number:

Too (Name and address of transferee):

Date oI transfer:

ST04723NY 3

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nited States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: ST04723NY Issued Date: 25Aug2023 Certification Basis:

Based on 14 CFR §§ 21.115 and 21.101, and the FAA policy for significant changes 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 in the attached FAA Approved Model List No. ST04723NY.

(2) The certification basis for parts changed or affected by the change since the reference date of application, September 30, 2021, is based upon Part 25 as amended as listed in the TCDS as noted on the attached FAA Approved Model List No.

ST04723NY.

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

### ST04723NY_AML.pdf

Page 1 of 1

FAA Approved Model List ST04723NY Lee Aerospace, Inc.

InstallaƟon of LAI Windshields

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.

MU‐300 14 CFR part 25, as listed in TCDS A14SW LAI‐MDL‐126 Rev IR dated 11Aug2023* LAI‐ICA‐126 Rev B dated 23May2023** 25Aug2023 2 Textron AviaƟon Inc.

400, 400A 14 CFR part 25, as listed in TCDS A16SW LAI‐MDL‐126 Rev IR dated 11Aug2023* LAI‐ICA‐126 Rev B dated 23May2023** 25Aug2023

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

FAA Approved _________________ ODA administrator, ODA‐834634‐NE Date: 25Aug2023

## Every issue (1)

- August 25, 2023: Issued, Current. [certificate](https://openairdocs.org/files/sha256/7a/68/7a680cc3cf675b7b50aaf0086df01d57f2e0624dd0f42ac6fb3acafa2342d382), [ST04723NY_AML.pdf](https://openairdocs.org/files/sha256/b5/c3/b5c31c67d66753872c93f1a5d46ceb659ef30969e7022f2fb701165f02d9dbb4)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.