# STC SA01387SE - Type: Supplemental type certificate - Status: Current, Reissued - Holder: Kenmore Air Harbor LLC, United States - Description: Manufacture of alternate fuel selector valves for the main fuel tank and the wing tank positions (part numbers EFSA25-5KA and EFSA25-4KA, respectively) - Applied: June 6, 2003 - Status date: April 5, 2019 - Product: Aircraft, Small Airplane - Certification basis: Part 5, Part 21, Part 23 - Data sheets: [TCDS A-806](https://openairdocs.org/tcds/A-806) - Certificate PDF: https://openairdocs.org/files/sha256/52/e1/52e1b3e9b3130cbe37e899835f6b0332076404c929597addaf37bfd8e3305111 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/0D0CC1E964333AE1862585CF003F32CD.0001 - DRS record last changed: December 5, 2025 - Page: https://openairdocs.org/stc/SA01387SE ## ADs that name it (0) None. ## Approved models (3) - de Havilland Inc. (Canada) DHC-2 Mk.I ([TCDS A-806](https://openairdocs.org/tcds/A-806)) - de Havilland Inc. (Canada) DHC-2 Mk.II ([TCDS A-806](https://openairdocs.org/tcds/A-806)) - de Havilland Inc. (Canada) DHC-2 Mk.III ([TCDS A-806](https://openairdocs.org/tcds/A-806)) ## 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. Number SA01387SE This certificate, issued to Kenmore Air Harbor, LLC. 6321 NE 175th Street Kenmore, WA 98028 Part 23 of the Federal Aviation Regulations. Original ProductType Certificate Number: A-806 Make: deHavilland Model: DHC-2 Mk. I, DHC-2 Mk. II, DHC-2 Mk. III Description of the Type Design Change: Manufacture of alternate fuel selector valves for the main fuel tank and the wing tank positions (part numbers EFSA25-5KA and EFSA25-4KA, respectively) in accordance with Kenmore Air Harbor Master Drawing List # 31412 MDL, Revision B, dated February 12, 2004, or later FAA-approved revision. Installation of the main fuel tank selector valve in accordance with Kenmore Air Harbor drawing EFSA25-5INS, Revision A, dated February 12, 2004, or later FAA-approved revision, and Section 5.16.2 of the latest revision to the DeHavilland DHC-2 Maintenance Manual. Installation of the wing tank fuel selector valve in accordance with Section 5.31.2 of the latest revision to the DeHavilland DHC-2 Maintenance Manual. This modification does not require specific continued airworthiness instructions. FAR 43 is adequate to ensure continued airworthiness of this modification. Limitations and Conditions: Approval of this change in type design applies to the above model aircraft only. This approval should not be extended to other aircraft on which previously approved modifications are incorporated unless it is determined 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 aircraft. A copy of this Certificate must be maintained as part of the permanent records for the modified 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. Date of application: June 6, 2003 Date reissued: April 5, 2019 Date of issuance: March 8, 2004 Date amended: FAA FORM 8110-2 (5/14) PAGE 1 OF 2 PAGES By direction of the Administrator (Signature) Acting Manager, Seattle ACO Branch (Title) Transfer the ownership of Supplemental Type Certificate Number to (Name of Transferee) (Address of Transferee) (Number and Street) (City, State, and ZIP Code) from (Name of Grantor) (Print or Type) (Address of Grantor) (Number and Street) (City, State, and ZIP Code) Signature of Grantor (In Ink): U.S. GPO: 1987-763-289 ## Every issue (2) - April 5, 2019: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/52/e1/52e1b3e9b3130cbe37e899835f6b0332076404c929597addaf37bfd8e3305111) - March 8, 2004: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/29/b5/29b5412a3e9f97a4ab9df337f4d506e7e076894308fd59226a4bb32fe4cfd986) --- 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.