# STC ST04735NY - Type: Supplemental type certificate - Status: Current, Amended - Holder: Lee Aerospace Inc., United States - Description: Installation of LAI Windshields - Applied: August 12, 2022 - Status date: April 22, 2026 - Product: Aircraft, Large Airplane - Certification basis: Part 25 - Data sheets: [TCDS A21EA](https://openairdocs.org/tcds/A21EA) - Certificate PDF: https://openairdocs.org/files/sha256/a8/44/a844f5ed23e3cd5bfbefa76e1e97e65456667da8ab130f65e5fe030172ba612d - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID102982574220260428143733.0001 - DRS record last changed: April 28, 2026 - Page: https://openairdocs.org/stc/ST04735NY ## ADs that name it (0) None. ## Approved models (5) - Bombardier Inc. CL-600-1A11 (600) ([TCDS A21EA](https://openairdocs.org/tcds/A21EA)) - Bombardier Inc. CL-600-2A12 (601) ([TCDS A21EA](https://openairdocs.org/tcds/A21EA)) - Bombardier Inc. CL-600-2B16 (601-3A Variant) ([TCDS A21EA](https://openairdocs.org/tcds/A21EA)) - Bombardier Inc. CL-600-2B16 (601-3R Variant) ([TCDS A21EA](https://openairdocs.org/tcds/A21EA)) - Bombardier Inc. CL-600-2B16 (604 Variant) ([TCDS A21EA](https://openairdocs.org/tcds/A21EA)) ## 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. ST04735NY Lee Aerospace, Inc. 9323 E. 34th St. N. Wichita, KS 67226 25 Title 14 Code of Federal Regulations A21EA Bombardier Inc. CL-600-1A11 (600), CL-600-2A12 (601), CL-600-2B16 (601-3A Variant), CL-600-2B16 (601-3R Variant), CL-600-2B16 (604 Variant). Installation of LAI Windshields on Bombardier Inc., Challenger 600 Series Airplanes in accordance with FAA Approved Lee Aerospace, Inc., (1) Master Data List, LAI-MDL-123, Rev. IR, dated 2Jul2024 or later FAA approved revision. (2) Instructions for Continued Airworthiness (ICA) LAI-ICA-123, Rev B, dated 16Apr2024, or later FAA accepted revision. The ICA must be made available to the operator at the time of installation. The ICA and its contents must 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. (Limitations and Conditions Continued on Page 3 of 3) August 12, 2022 July 18, 2024 July 17, 2024 April 22, 2026 ODA administrator, ODA-834634-NE 3 ST04735NY 3 ST04735NY Date Amended: April 22, 2026 Limitations and Conditions (continued from Page 1 of 3): (3) This STC is applicable to all serial numbers for the Make: Bombardier Inc., Models: CL-600-1A11 (600), CL-600-2A12 (601), CL-600-2B16 (601-3A Variant), CL-600-2B16 (601-3R Variant), CL-600-2B16 (604 Variant). 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 Bombardier Inc., CL-600-1A11 (600), CL-600-2A12 (601), CL-600-2B16 (601-3A Variant), CL-600-2B16 (601-3R Variant), CL-600-2B16 (604 Variant) aircraft is as follows: a. The type certification basis for parts not changed or not affected by the change is shown on TCDS A21EA. b. The modification certification basis for parts changed or affected by the change since the reference application date, August 12, 2022, is based upon 14 CFR part 25 including Amendments 25-1 through 25-78, 25.613(a)(b)(c) Amdt. (25-112), 25.853(a) Amdt. (25-116). ---------------------------------------------------- END -------------------------------------------------------- 3 3 ## Every issue (2) - April 22, 2026: Amended, Current. [certificate](https://openairdocs.org/files/sha256/a8/44/a844f5ed23e3cd5bfbefa76e1e97e65456667da8ab130f65e5fe030172ba612d) - July 17, 2024: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/a8/05/a80570f890bc923a62f98e0f584a43b7beb36f229cf85d4b5b610b5fbe4a8f17) --- 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.