# STC SA00475SE - Type: Supplemental type certificate - Status: Current, Reissued - Holder: Dart Aerospace USA Inc., United States - Description: Replacement of the original land gear skid tubes and saddles with DART Aerospace Model D206-642 skid tubes and saddles. - Applied: April 22, 1997 - Status date: October 17, 2018 - Product: Aircraft, Rotorcraft - Certification basis: Part 21, Part 27 - Data sheets: [TCDS H2SW](https://openairdocs.org/tcds/H2SW) - Certificate PDF: https://openairdocs.org/files/sha256/ac/66/ac6635a4380e1a8e50f5f371b9a4c2afee5e95667fe92002428c32a7be022b76 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/FC0FBAAA82E28C0E8625832E004E8CFB.0001 - DRS record last changed: December 5, 2025 - Page: https://openairdocs.org/stc/SA00475SE ## ADs that name it (0) None. ## Approved models (10) - Bell Helicopter Textron Canada Limited 206 ([TCDS H2SW](https://openairdocs.org/tcds/H2SW)) - Bell Helicopter Textron Canada Limited 206A ([TCDS H2SW](https://openairdocs.org/tcds/H2SW)) - Bell Helicopter Textron Canada Limited 206A-1 (OH-58A) ([TCDS H2SW](https://openairdocs.org/tcds/H2SW)) - Bell Helicopter Textron Canada Limited 206B ([TCDS H2SW](https://openairdocs.org/tcds/H2SW)) - Bell Helicopter Textron Canada Limited 206B-1 ([TCDS H2SW](https://openairdocs.org/tcds/H2SW)) - Bell Helicopter Textron Canada Limited 206L ([TCDS H2SW](https://openairdocs.org/tcds/H2SW)) - Bell Helicopter Textron Canada Limited 206L-1 ([TCDS H2SW](https://openairdocs.org/tcds/H2SW)) - Bell Helicopter Textron Canada Limited 206L-3 ([TCDS H2SW](https://openairdocs.org/tcds/H2SW)) - Bell Helicopter Textron Canada Limited 206L-4 ([TCDS H2SW](https://openairdocs.org/tcds/H2SW)) - Bell Helicopter Textron Canada Limited 407 ([TCDS H2SW](https://openairdocs.org/tcds/H2SW)) ## 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. Un ited S tates of Am erica Department of Transportation - Federal Aviation Administration Supplemental Type Certificate Number SA00475SE This certificate, issued to Dart Aerospace USA, Inc. 3845 NE 30th Avenue Hillsboro, OR 97124 Part 27 of the Federal Aviation Regulations. Original ProductType Certificate Number: H2SW Make: Bell Model: 206, 206A, 206A-1, 206B, 206B-1, 206L, 206L-1, 206L-3, 206L-4, and 407 Description of the Type Design Change: Replacement of the original landing gear skid tubes and saddles with DART Aerospace Model D206-642 skid tubes and saddles fabricated in accordance with DART Aerospace Master Drawing List No. MDL-D206-642, Revision Q, dated March 8, 2007, or later Federal Aviation Administration (FAA) approved revision, and installed in accordance with DART Aerospace Installation Instructions No. D206-642, Revision K, dated September 25, 2006, or later FAA-approved revision. These skid tubes and saddles must be maintained in accordance with DART Aerospace Instructions for Continued Airworthiness ICA-D206-642, Revision 0, dated March 7, 2007, or later FAA-accepted revision. Limitations and Conditions: Approval of this change in type design applies to the above model rotorcraft only. This approval should not be extended to other rotorcraft of these models on which other previously approved modifications are incorporated unless it is determined by the installer that the relationship between this change and any previously approved modifications, including changes in type design, will intro duce no adverse effect upon the airworthiness of that rotorcraft. A copy of this certificate 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 22, 1997 Date reissued: October 28, 2015; October 17, 2018 Date of issuance: October 23, 1997 Date amended: April 20, 2007 (Signature) Manager, Seattle Aircraft Certification Office (Title) ## Every issue (4) - October 17, 2018: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/ac/66/ac6635a4380e1a8e50f5f371b9a4c2afee5e95667fe92002428c32a7be022b76) - October 28, 2015: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/b3/4c/b34ce310063d6ce4934023ef5c67e0dd3986b4a611af3f20a95e42a76cae4f18) - April 20, 2007: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/b6/12/b612838cf644e1f4053b5f3c95178138611864aabd85c4d2640c1c3ab8136eb3) - April 9, 2007: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/1d/b1/1db148ee820180a29adf6c5c00678063e67c0a8824305dc73f060ecd1656e759) --- 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.