# STC SA01447LA - Type: Supplemental type certificate - Status: Current, Reissued - Holder: CWL Aero, LLC, United States - Description: Installation of Pilot Door Window Lock, Pilot Door and Baggage Door Locks. - Applied: April 3, 2003 - Status date: July 7, 2017 - Product: Aircraft, Small Airplane - Certification basis: Part 21 - Data sheets: [TCDS 3A21](https://openairdocs.org/tcds/3A21), [TCDS 3A12](https://openairdocs.org/tcds/3A12), [TCDS 3A17](https://openairdocs.org/tcds/3A17), [TCDS 5A6](https://openairdocs.org/tcds/5A6), [TCDS 3A13](https://openairdocs.org/tcds/3A13), [TCDS 3A24](https://openairdocs.org/tcds/3A24), [TCDS A4CE](https://openairdocs.org/tcds/A4CE) - Certificate PDF: https://openairdocs.org/files/sha256/49/a4/49a465f6840c903f9100d410fecd4f2338245707c95b3c103b410fde4e75c18a - Approved model list and other attachments: [SA01447LA_AML.pdf](https://openairdocs.org/files/sha256/ce/27/ce27921b8faa406c581882e965529db931ecd407fea4c8b00e4cea0fc7e53d0a) - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/8FA53326A03A34558625815C00686B5D.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SA01447LA ## ADs that name it (0) None. ## Approved models (128, first 50) - Textron Aviation Inc. 172 ([TCDS 3A12](https://openairdocs.org/tcds/3A12)) - Textron Aviation Inc. 172A ([TCDS 3A12](https://openairdocs.org/tcds/3A12)) - Textron Aviation Inc. 172B ([TCDS 3A12](https://openairdocs.org/tcds/3A12)) - Textron Aviation Inc. 172C ([TCDS 3A12](https://openairdocs.org/tcds/3A12)) - Textron Aviation Inc. 172D ([TCDS 3A12](https://openairdocs.org/tcds/3A12)) - Textron Aviation Inc. 172E ([TCDS 3A12](https://openairdocs.org/tcds/3A12)) - Textron Aviation Inc. 172F (USAF T-41A) ([TCDS 3A12](https://openairdocs.org/tcds/3A12)) - Textron Aviation Inc. 172G ([TCDS 3A12](https://openairdocs.org/tcds/3A12)) - Textron Aviation Inc. 172H (USAF T-41A) ([TCDS 3A12](https://openairdocs.org/tcds/3A12)) - Textron Aviation Inc. 172I ([TCDS 3A12](https://openairdocs.org/tcds/3A12)) - Textron Aviation Inc. 172K ([TCDS 3A12](https://openairdocs.org/tcds/3A12)) - Textron Aviation Inc. 172L ([TCDS 3A12](https://openairdocs.org/tcds/3A12)) - Textron Aviation Inc. 172M ([TCDS 3A12](https://openairdocs.org/tcds/3A12)) - Textron Aviation Inc. 172N ([TCDS 3A12](https://openairdocs.org/tcds/3A12)) - Textron Aviation Inc. 172P ([TCDS 3A12](https://openairdocs.org/tcds/3A12)) - Textron Aviation Inc. 172Q ([TCDS 3A12](https://openairdocs.org/tcds/3A12)) - Textron Aviation Inc. 172R ([TCDS 3A12](https://openairdocs.org/tcds/3A12)) - Textron Aviation Inc. 172RG ([TCDS 3A17](https://openairdocs.org/tcds/3A17)) - Textron Aviation Inc. 172S ([TCDS 3A12](https://openairdocs.org/tcds/3A12)) - Textron Aviation Inc. 175 ([TCDS 3A17](https://openairdocs.org/tcds/3A17)) - Textron Aviation Inc. 175A ([TCDS 3A17](https://openairdocs.org/tcds/3A17)) - Textron Aviation Inc. 175B ([TCDS 3A17](https://openairdocs.org/tcds/3A17)) - Textron Aviation Inc. 175C ([TCDS 3A17](https://openairdocs.org/tcds/3A17)) - Textron Aviation Inc. 180 ([TCDS 5A6](https://openairdocs.org/tcds/5A6)) - Textron Aviation Inc. 180A ([TCDS 5A6](https://openairdocs.org/tcds/5A6)) - Textron Aviation Inc. 180B ([TCDS 5A6](https://openairdocs.org/tcds/5A6)) - Textron Aviation Inc. 180C ([TCDS 5A6](https://openairdocs.org/tcds/5A6)) - Textron Aviation Inc. 180D ([TCDS 5A6](https://openairdocs.org/tcds/5A6)) - Textron Aviation Inc. 180E ([TCDS 5A6](https://openairdocs.org/tcds/5A6)) - Textron Aviation Inc. 180F ([TCDS 5A6](https://openairdocs.org/tcds/5A6)) - Textron Aviation Inc. 180G ([TCDS 5A6](https://openairdocs.org/tcds/5A6)) - Textron Aviation Inc. 180H ([TCDS 5A6](https://openairdocs.org/tcds/5A6)) - Textron Aviation Inc. 180J ([TCDS 5A6](https://openairdocs.org/tcds/5A6)) - Textron Aviation Inc. 180K ([TCDS 5A6](https://openairdocs.org/tcds/5A6)) - Textron Aviation Inc. 182 ([TCDS 3A13](https://openairdocs.org/tcds/3A13)) - Textron Aviation Inc. 182A ([TCDS 3A13](https://openairdocs.org/tcds/3A13)) - Textron Aviation Inc. 182B ([TCDS 3A13](https://openairdocs.org/tcds/3A13)) - Textron Aviation Inc. 182C ([TCDS 3A13](https://openairdocs.org/tcds/3A13)) - Textron Aviation Inc. 182D ([TCDS 3A13](https://openairdocs.org/tcds/3A13)) - Textron Aviation Inc. 182E ([TCDS 3A13](https://openairdocs.org/tcds/3A13)) - Textron Aviation Inc. 182F ([TCDS 3A13](https://openairdocs.org/tcds/3A13)) - Textron Aviation Inc. 182G ([TCDS 3A13](https://openairdocs.org/tcds/3A13)) - Textron Aviation Inc. 182H ([TCDS 3A13](https://openairdocs.org/tcds/3A13)) - Textron Aviation Inc. 182J ([TCDS 3A13](https://openairdocs.org/tcds/3A13)) - Textron Aviation Inc. 182K ([TCDS 3A13](https://openairdocs.org/tcds/3A13)) - Textron Aviation Inc. 182L ([TCDS 3A13](https://openairdocs.org/tcds/3A13)) - Textron Aviation Inc. 182M ([TCDS 3A13](https://openairdocs.org/tcds/3A13)) - Textron Aviation Inc. 182N ([TCDS 3A13](https://openairdocs.org/tcds/3A13)) - Textron Aviation Inc. 182P ([TCDS 3A13](https://openairdocs.org/tcds/3A13)) - Textron Aviation Inc. 182Q ([TCDS 3A13](https://openairdocs.org/tcds/3A13)) All 128: https://openairdocs.org/stc/SA01447LA/models.md ## 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. SA01447LA *23 (*Certification basis is set forth in Type Certificate Data Sheet as specified in the FAA Approved Model List No. SA01447LA.) Installation of Pilot Door Window Lock, Pilot Door and Baggage Door Locks in accordance with FAA Approved Master Drawing List SKH1000, Revision 1, dated November 10, 2005, or later FAA approved revision, and the FAA Approved Flight Manual Supplement No. 1, dated February 10, 2006, or later FAA approved revision. The installation should not be incorporated in any aircraft unless it is determined that the interrelationship between this installation and any previously approved configuration will not introduce any adverse effect upon the airworthiness of the aircraft. If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission. CWL Aero, LLC 1900 Lake Hill Lane Plano, TX 75023 * See attached FAA Approved Model List No. SA01447LA or later FAA approved revision. November 13, 2002 April 3, 2003 July 7, 2017 February 21, 2006 (Signature) Manager, Cabin Safety, Mechanical & Environmental Systems Branch Los Angeles Aircraft Certification Office (Title) (STC No.) ### SA01447LA_AML.pdf Page 1 of 2 FAA APPROVED MODEL LIST (AML) NO. SA01447LA CWL Aero, LLC Installation of Pilot Door Window Lock, Pilot Door and Baggage Door Locks Issued Date: April 3, 2003 Item No. Aircraft Make Aircraft Model Type Certificate Number Certification Basis is Specified in the TCDS FAA Approved Drawing List or Later FAA Approved Revision AML Approval Date 1 Cessna 210, 210A, 210B, 210C, 210D, 210E, 210F, T210F, 210G, T210G, 210H, T210H, 210J, T210J, 210K, T210K, 210L, T210L, 210M, T210M, 210N, P210N, T210N, 210R, P210R, T210R, 210-5 (205), 210-5A (210A) Series 3A21 CAR 3 Drawing List Lock SKH100/200 “None” dated November 13, 2002 or later FAA approved revision April 1, 2003 2 Cessna 172, 172A, 172B, 172C, 172D, 172E, 172F (USAF T-41A), 172G, 172H (USAF T-41A), 172I, 172K, 172L, 172M, 172N, 172P, 172Q, 172R, 172S 3A12 CAR 3/FAR 23 Drawing List Lock SKH172 “None” dated March 28, 2005 or later FAA approved revision February 21, 2006 3 Cessna 172RG, P172D, R172E (USAF T-41B, USAF T-41C, -41D), R172F (USAF T-41D), R172G (USAF T-41C, -41D), R172H (USAF T-41D), R172J, R172K, 175, 175A, 175B, 175C 3A17 CAR 3 Drawing List Lock SKH172 “None” dated March 28, 2005 or later FAA approved revision February 21, 2006 4 Cessna 180, 180A, 180B, 180C, 180D, 180E, 180F, 180G, 180H, 180J, 180K 5A6 CAR 3 Drawing List Lock SKH180/185 “None” dated March 28, 2005 or later FAA approved revision February 21, 2006 Page 2 of 2 Item No. Aircraft Make Aircraft Model Type Certificate Number Certification Basis is Specified in the TCDS FAA Approved Drawing List or Later FAA Approved Revision AML Approval Date 5 Cessna 185, 185A, 185B, 185C, 185D, 185E, A185E, A185F 3A24 CAR 3 Drawing List Lock SKH180/185 “None” dated March 28, 2005 or later FAA approved revision February 21, 2006 6 Cessna 182, 182A, 182B, 182C, 182D, 182E, 182F, 182G, 182H, 182J, 182K, 182L, 182M, 182N, 182P, 182Q, 182R, 182S 182T, R182, T182, TR182, T182T 3A13 CAR 3/FAR 23 Drawing List Lock SKH182 “None” dated March 28, 2005 or later FAA approved revision February 21, 2006 7 Cessna 206; P206, -A, -B, -C, -D, -E; TP206A, -B, -C, -D, -E; U206, -A, -B, -C, -D, -E, -F, -G; TU206A, -B, -C, -D, -E, -F, -G, 206H, T206H A4CE CAR 3/FAR 23 Drawing List Lock SKH206 “None” dated March 28, 2005 or later FAA approved revision February 21, 2006 FAA Approved: _Paul Lipski______________________________________________ Manager, Cabin Safety, Mechanical & Environmental Systems Branch Date Reissued: July 7, 2017 ## Every issue (2) - July 7, 2017: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/49/a4/49a465f6840c903f9100d410fecd4f2338245707c95b3c103b410fde4e75c18a), [SA01447LA_AML.pdf](https://openairdocs.org/files/sha256/ce/27/ce27921b8faa406c581882e965529db931ecd407fea4c8b00e4cea0fc7e53d0a) - April 3, 2003: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/80/1b/801bcedcac5d80d244bc5d6075be8fe71649bf484974479deb1b0c1d97c268c2), [SA01447LAAML.pdf](https://openairdocs.org/files/sha256/82/01/82012fbcc2c3e023fd9a73a899b33bb4beaeb9bf06f2c6b8b0c47250bd5aa3bd) --- 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.