# STC SR00646SE - Type: Supplemental type certificate - Status: Current, Reissued - Holder: Dart Aerospace USA Inc., United States - Description: Replacement of the original landing gear skid tubes. - Applied: April 24, 1998 - Status date: October 17, 2018 - Product: Aircraft, Rotorcraft - Certification basis: Part 21, Part 27 - Data sheets: [TCDS H9EU](https://openairdocs.org/tcds/H9EU), [TCDS H11EU](https://openairdocs.org/tcds/H11EU) - Certificate PDF: https://openairdocs.org/files/sha256/19/40/1940ab284f52ff2785acff3d13a7844b5a39fd346d5aafd0491515cb8bb63521 - Approved model list and other attachments: [SR00646SE_AML.pdf](https://openairdocs.org/files/sha256/3a/00/3a00f564ef71c15a2fd97cb1c4a7696759e074a4805023c1bffc6eac06d859c4) - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/F886CBEE885591C88625832E004E8DA3.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SR00646SE ## ADs that name it (0) None. ## Approved models (14) - Airbus Helicopters AS-350B ([TCDS H9EU](https://openairdocs.org/tcds/H9EU)) - Airbus Helicopters AS-350B1 ([TCDS H9EU](https://openairdocs.org/tcds/H9EU)) - Airbus Helicopters AS-350B2 ([TCDS H9EU](https://openairdocs.org/tcds/H9EU)) - Airbus Helicopters AS-350B3 ([TCDS H9EU](https://openairdocs.org/tcds/H9EU)) - Airbus Helicopters AS-350BA ([TCDS H9EU](https://openairdocs.org/tcds/H9EU)) - Airbus Helicopters AS-350C ([TCDS H9EU](https://openairdocs.org/tcds/H9EU)) - Airbus Helicopters AS-350D ([TCDS H9EU](https://openairdocs.org/tcds/H9EU)) - Airbus Helicopters AS-350D1 ([TCDS H9EU](https://openairdocs.org/tcds/H9EU)) - Airbus Helicopters AS355E ([TCDS H11EU](https://openairdocs.org/tcds/H11EU)) - Airbus Helicopters AS355F ([TCDS H11EU](https://openairdocs.org/tcds/H11EU)) - Airbus Helicopters AS355F1 ([TCDS H11EU](https://openairdocs.org/tcds/H11EU)) - Airbus Helicopters AS355F2 ([TCDS H11EU](https://openairdocs.org/tcds/H11EU)) - Airbus Helicopters AS355N ([TCDS H11EU](https://openairdocs.org/tcds/H11EU)) - Airbus Helicopters AS355NP ([TCDS H11EU](https://openairdocs.org/tcds/H11EU)) ## 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 SR00646SE 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) SR00646SE for approved Model: aircraft models and applicable airworthiness regulations Description of the Type Design Change: Replacement of the original landing gear skid tubes with DART D350-636 skid tube system components as appropriate. The D350-636 skid tube system must be fabricated in accordance with DART Aerospace USA, Inc. Master Document List (MDL) No. MDL-D350-636, Revision N, dated September 01, 2010, or later Federal Aviation Administration (FAA) approved Revision. The skid tubes must be installed in accordance with DART Aerospace Installation Instructions No. INN-D350-636, Revision H, dated July 26, 2010, or later FAA accepted revision. This modification must be maintained in accordance with DART Aerospace Instructions for Continued Airworthiness (ICA) No. ICA-D350-636, Revision 1, or later FAA-approved revision. Limitations and Conditions: Approval of this change in type design applies to rotorcraft listed on the Approved Model List (AML) only. This approve should not be extended to other rotorcraft of these models on which other previously approved modification are incorporated unless it is determined by the i nstaller 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 the rotorcraft. A copy of this Certificate, AML No. SR00646SE, and the ICA 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 24, 1998 Date reissued: October 28, 2015; October 17, 2018 Date of issuance: November 19, 1998 Date amended: September 27, 2010 (Signature) Manager, Seattle Aircraft Certification Office (Title) ### SR00646SE_AML.pdf **FEDERAL AVIATION ADMINISTRATION (FAA) APPROVED MODEL LIST (AML) SR00646SE FOR** REPLACEMENT OF LANDING GEAR SKID TUBES ISSUE DATE: November 19, 1998 Page 1 of 1 **ITEM ROTORCRAFT MAKE** **ROTORCRAFT MODEL** **ORIGINAL TC NUMBER** **CERTIFICATION BASIS FOR** **ALTERATION** **FAA APPROVED MASTER** **DRAWING LIST** AML REV DATE Drawing Revision* 1. Eurocopter France AS350B, AS350B1, AS350B2, AS350B3, AS350BA, AS350C, AS350D, AS350D1 H9EU FAR 21.29 and FAR 27, Effective 02-01-1965, Plus Amendment 27-1 through 27-10 MDL-D350-636 Revision N, dated September 1, 2010 ##-##-#### 10/28/15 2. Eurocopter France AS355E, AS355F, AS355F1, AS355F2, AS355N, AS355NP H11EU FAR 21.29 and FAR 27, Effective 02-01-1965, Plus Amendment 27-1 through 27-16 MDL-D350-636 Revision N, dated September 1, 2010 ##-##-#### 10/28/15 * Or later FAA Approved Revision FAA Approved: Manager, Seattle Aircraft Certification Office AMENDED: September 27, 2010; October 28, 2015 REISSUED: ## Every issue (4) - October 17, 2018: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/19/40/1940ab284f52ff2785acff3d13a7844b5a39fd346d5aafd0491515cb8bb63521), [SR00646SE_AML.pdf](https://openairdocs.org/files/sha256/3a/00/3a00f564ef71c15a2fd97cb1c4a7696759e074a4805023c1bffc6eac06d859c4) - October 28, 2015: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/d3/28/d328f805455a8c1d435d632e6d2d55b96e60db818eed08ab254cce9ef9b77ca7), [SR00646SE_AML.pdf](https://openairdocs.org/files/sha256/3a/00/3a00f564ef71c15a2fd97cb1c4a7696759e074a4805023c1bffc6eac06d859c4) - September 27, 2010: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/d3/b1/d3b1024f6e8b1d73461252f106bd9e7f38d3a2b72dfdc0a031713de133178f5b), [SR00646SE AML .pdf](https://openairdocs.org/files/sha256/ad/72/ad7265f078a90243bcb9f9e737cd76ae8b1e74bde39312674eba44351ca98c9b) - November 19, 1998: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/d6/df/d6df90186448bceabb37659111c5492bb9a82e14f5f1205fd67662569b67a344) --- 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.