# STC SR01583SE - Type: Supplemental type certificate - Status: Current, Reissued - Holder: Dart Aerospace USA Inc., United States - Description: Fabrication and installation of Dart D412-742 Float Skidtube. - Applied: April 18, 2005 - Status date: October 17, 2018 - Product: Aircraft, Rotorcraft - Certification basis: Part 21 - Data sheets: [TCDS H79EU](https://openairdocs.org/tcds/H79EU), [TCDS H1SW](https://openairdocs.org/tcds/H1SW), [TCDS H4SW](https://openairdocs.org/tcds/H4SW) - Certificate PDF: https://openairdocs.org/files/sha256/1b/54/1b545e6bd891e7e0763c79abf669cd53450bd7353313ae870bdef4ca95ecb12b - Approved model list and other attachments: [SR01583SE_AML.pdf](https://openairdocs.org/files/sha256/e9/7d/e97da90bf875ae524e3ae66df5749e5c10c6ad59c29ce79cd8605add89a6d99c) - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/856F2825A9A4A5568625832E004E8E76.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SR01583SE ## ADs that name it (0) None. ## Approved models (10) - Agusta S.p.A. AB412 ([TCDS H79EU](https://openairdocs.org/tcds/H79EU)) - Agusta S.p.A. AB412 EP ([TCDS H79EU](https://openairdocs.org/tcds/H79EU)) - Bell Helicopter Textron 205A ([TCDS H1SW](https://openairdocs.org/tcds/H1SW)) - Bell Helicopter Textron 205A-1 ([TCDS H1SW](https://openairdocs.org/tcds/H1SW)) - Bell Helicopter Textron 205B ([TCDS H1SW](https://openairdocs.org/tcds/H1SW)) - Bell Helicopter Textron 210 ([TCDS H1SW](https://openairdocs.org/tcds/H1SW)) - Bell Helicopter Textron 212 ([TCDS H4SW](https://openairdocs.org/tcds/H4SW)) - Bell Helicopter Textron 412 ([TCDS H4SW](https://openairdocs.org/tcds/H4SW)) - Bell Helicopter Textron 412CF ([TCDS H4SW](https://openairdocs.org/tcds/H4SW)) - Bell Helicopter Textron 412EP ([TCDS H4SW](https://openairdocs.org/tcds/H4SW)) ## 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 Am erica Department of Transportation - Federal Aviation Administration Supplemental Type Certificate (This STC is a duplicate original to replace the original which was lost. Issued 04/07/06) Number SR01583SE This certificate, issued to Dart Aerospace USA, Inc. 3845 NE 30th Avenue Hillsboro, OR 97124 Part * of the * Regulations. Original ProductType Certificate Number: * See attached Federal Aviation Administration (FAA) Make: Approved Model List (AML) SR01583SE for approved Model: aircraft models and applicable airworthiness regulations Description of the Type Design Change: Fabrication of Dart D412-742 Float Skidtube in accordance with Dart Aerospace USA, Inc. Drawing List No. MDL-D412-742, Revision B, dated June 21, 2005, or later FAA-approved revision; and installation of this system in accordance with Installation Instructions, Document No. IIN-D412-742, Revision A, dated February 8, 2005, or later FAA approved revision. This modification must be maintained in accordance with Instructions for Continued Airworthiness, Document No. ICA-D412-742, Revision 0, dated February 10, 2005, or later FAA-approved revision. Limitations and Conditions: This approval should not be extended to other rotorcraft of this model on which other previously approved modifications are incorporated unless it is determined by the installer that the relationship between this change and any of those other previously approved modifications, including changes in type design, will introduce no adverse effect upon the airworthiness of that rotorcraft. A copy of this Certificate and Instructions for Continued Airworthiness must be maintained as part of the permanent records for the modified rotorcraft. 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. Date of application: April 18, 2005 Date reissued: October 28, 2015; October 17, 2018 Date of issuance: July 29, 2005 Date amended: April 7, 2006 (Signature) Manager, Seattle Aircraft Certification Office (Title) ### SR01583SE_AML.pdf FAA APPROVED MODEL LIST (AML) SR01583SE FOR INSTALLATION OF DART AEROSPACE USA, INC. REPLACMENT FLOAT SKIDTUBE ASSMEBLY ISSUE DATE: July 29, 2005 **FAA APPROVED DRAWING LIST ITEM AIRPLANE MAKE** **AIRPLANE MODEL TYPE** **CERTIFICATE NUMBER** **CERTIFICATION** **BASIS FOR** **ALTERATION NUMBER REVISION NO.** AND DATE* AML **AMENDED DATE** Page 1 of 1 1. Bell 205A, 205A-1, 205B, 210 H1SW CAR 7/FAR 29 MDL-D412-742 Revision H, dated March 20, 2007 April 3, 2007 2. Bell 212, 412, 412EP, 412CF H4SW FAR 29 MDL-D412-742 Revision H, dated March 20, 2007 April 3, 2007 3. Agusta S.p.A. AB412, AB412EP H79EU FAR 29 MDL-D412-742 Revision B, dated March 20, 2007 April 3, 2007 1 * Or later FAA approved Revision. 2 3 4 FAA APPROVED: _____Original signed by James Rehrl_____________ 5 Acting Manager, Seattle Aircraft 6 Certification Office 7 8 9 AMENDED: April 3, 2007 0 1 REISSUED: ___April 3, 2006_________________________________________ 2 ## Every issue (4) - October 17, 2018: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/1b/54/1b545e6bd891e7e0763c79abf669cd53450bd7353313ae870bdef4ca95ecb12b), [SR01583SE_AML.pdf](https://openairdocs.org/files/sha256/e9/7d/e97da90bf875ae524e3ae66df5749e5c10c6ad59c29ce79cd8605add89a6d99c) - October 28, 2015: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/b4/cd/b4cd33daf97ab9b9f26c415960306335e8fd66014585970bafb481ecb60c73ad), [SR01583SE_AML.pdf](https://openairdocs.org/files/sha256/e9/7d/e97da90bf875ae524e3ae66df5749e5c10c6ad59c29ce79cd8605add89a6d99c) - April 7, 2006: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/2c/03/2c03c936252ec49c1560123c789b12f8466f37f83e873e30c5827da5e8e07ba4), [SR01583SE_AML.pdf](https://openairdocs.org/files/sha256/e9/7d/e97da90bf875ae524e3ae66df5749e5c10c6ad59c29ce79cd8605add89a6d99c) - July 29, 2005: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/05/14/051481d0a94537bdf367843a5bc1e341d796bdc06315c1f0c0e7235e6bf8de8a), [sr01583seaml.pdf](https://openairdocs.org/files/sha256/b6/95/b69575af64e3d11064c59939755d4617f51d9c0b43a810c9c6ab9720ebc48aac) --- 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.