# STC SA377NW - Type: Supplemental type certificate - Status: Current, Reissued - Holder: Kenmore Air Harbor Inc, United States - Description: Installation of Hartzell HC-B3W30-2E/W10160R-6 and/or W10160-6 propellers, governors, and spinners on Pratt and Whitney R-985 series engines - Applied: June 30, 1976 - Status date: April 5, 2019 - Product: Aircraft, Small Airplane - Certification basis: Part 21 - Data sheets: [TCDS A-765](https://openairdocs.org/tcds/A-765) - Certificate PDF: https://openairdocs.org/files/sha256/d0/f4/d0f4f47dd749b43611dd449eecbc464cd6209ec341f6c2c00402e78320fd029e - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/18D42C60E2BC92E0862585CE0046E844.0001 - DRS record last changed: December 5, 2025 - Page: https://openairdocs.org/stc/SA377NW ## ADs that name it (0) None. ## Approved models (5) - Hawker Beechcraft Corporation C-45G ([TCDS A-765](https://openairdocs.org/tcds/A-765)) - Hawker Beechcraft Corporation C-45H ([TCDS A-765](https://openairdocs.org/tcds/A-765)) - Hawker Beechcraft Corporation D18S ([TCDS A-765](https://openairdocs.org/tcds/A-765)) - Hawker Beechcraft Corporation TC-45G ([TCDS A-765](https://openairdocs.org/tcds/A-765)) - Hawker Beechcraft Corporation TC-45H ([TCDS A-765](https://openairdocs.org/tcds/A-765)) ## 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 SA377NW This certificate, issued to Kenmore Air Harbor, LLC. 6321 NE 175th Street Kenmore, WA 98028 Part 3 of the Civil Air Regulations. Original ProductType Certificate Number: A-765 Make: Beech Model: D18S, C-45G, C-45H, TC-45G, and TC-45H (Seaplane) Description of the Type Design Change: Installation of Hartzell HC-B3W30-2E/W10160B-6 and/or W10160-6 propellers, governors, and spinners on Pratt & Whitney R-985 series engines in accordance with Kenmore Air Harbor Installation Instructions No. KM2000. Limitations and Conditions: This approval should not be extended to other airplanes of these models on which other previously approved modifications are incorporated unless it is determined that the interrelationship between this change and any of these previously approved modifications will introduce no adverse effect upon the airworthiness of the airplane. This approval is intended for installation in the above models wit EDO Model 56 - 7850A Twin Seaplane Float installation in accordance with Bristol Aerospace Limited STC SA795EA. A copy of this Certificate and FAA Approved Airplane Flight Manual Supplement will 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 holde r shall give the other person written evidence of that permission. Date of application: June 30, 1976 Date reissued: April 5, 2019 Date of issuance: December 15, 1976 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/d0/f4/d0f4f47dd749b43611dd449eecbc464cd6209ec341f6c2c00402e78320fd029e) - December 15, 1976: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/1d/69/1d69e01e704c31d350d6385371598af74bf3daf9c274be02de4c6ceb6576fc16) --- 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.