# STC SA348NW - Type: Supplemental type certificate - Status: Current, Amended - Holder: Kenmore Air Harbor LLC, United States - Description: Installation of JASCO Model 7555-1 alternator kit on P&W R-985 series engine. - Applied: August 17, 1976 - Status date: April 1, 2026 - Product: Aircraft, Small Airplane - Data sheets: [TCDS A-806](https://openairdocs.org/tcds/A-806) - Certificate PDF: https://openairdocs.org/files/sha256/e5/29/e5296bf7929f6c085c4564b46e5497aa747f11ad6c71b1d0ad98bf4d1e129030 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID140002690220260403131835.0001 - DRS record last changed: April 3, 2026 - Page: https://openairdocs.org/stc/SA348NW ## ADs that name it (0) None. ## Approved models (1) - Viking Air Limited DHC-2 Mk.I ([TCDS A-806](https://openairdocs.org/tcds/A-806)) ## What the certificate says Some pages are OCR from the scanned FAA certificate. OCR can misread letters and numbers. Number: SA348NW This certificate issued to: Kenmore Air Harbor, LLC. 6321 NE 175th Street Kenmore, WA 98028 Part 10 of the Civil Air Regulations . Original Product Type Certificate Number: A-806 Make: Viking Air Limited Description of Type Design Change: Model: DHC-2 Mk I Fabrication of the Kenmore Alternator Kit in accordance with Kenmore Air Harbor, LLC. Master Drawing List number K8783MDL-1, Rev. -, dated 10/23/2025, or later FAA-approved revision; and installation on Pratt & Whitney R-985 series engines in accordance with Kenmore Air Harbor Installation Instructions K8783-1, Rev. -, dated 10/23/2025, or later FAA-approved revision. No changes are deemed necessary to de Havilland Flight Manual PSM 1-2-1 as a result of this change. Refer to K8783ICA, Rev. -, 07/28/2009 or later accepted revision for instructions for continued airthwothiness. (See Continuation Sheet on Page 3 of 3) Date of Application: 08/17/1976 Date Reissued: 04/05/2019 Date of Issuance: Date Amended: 01/24/1977 12/14/2009 05/07/2010 ✔ see continuation sheet for additional dates By Direction of the Administrator Title: for Gregory S. DiLibero Title: Manager, West Certification Branch Number: SA348NW Effective Date: 04/01/2026 United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA348NW Effective Date: 04/01/2026 Kenmore Air Harbor, LLC. Issued: August 24, 1976 Reissued: April 5, 2019 Amended: January 24, 1977; December 14, 2009; May 7, 2010; April 1, 2026 Limitations and Conditions: continued: The conditions and limitations of the original specifications apply except as follows: MODEL DHC-2 MK. (L-20A) (BEAVER) (NORMAL CATEGORY) AS MODIFIED BY STC SA348NW Engine: Pratt & Whitney R-985, SB-3 (Type Certificate Data Sheet A-806) Optional Engines: Type Certificate Data Sheet A-806, Item 301 (a) Military R-985-AN2 (b) Military R-985-AN4 Engine limits (a) through (g) same as SB-3 (c) Military R-985-AN6 (see DHC-2 Mk.I Engine Limit Data) or -AN6B (d) Military R-985-AN8 (e) Military R-985-AN10 (f) Military R-985-AN12 or -AN12B (g) Military R-985-AN14B (h) Military R-985-AN-1 (i) Military R-985-AN-3 0) Military R-985-39 (Provided that the alternator fitted to the or -39A engine is comparible with 2:1 drive ratio) Engine Limits (h) through (i) Flight Condition Horsepower R.P.M. MP (in Hg) Altitude Take-off (5 min) 450 2300 37.5 Sea Level Maximum Continuous 400 2300 34.5 Sea Level Maximum Continuous 400 2300 33.0 5000 feet Straight line manifold pressure variation with altitude to 5000 feet. Fuel: 80/87 octane minimum grade aviation gasoline Engine Limits: Same as specified in Type Certificate Data Sheet A-806 ## Every issue (4) - April 1, 2026: Amended, Current. [certificate](https://openairdocs.org/files/sha256/e5/29/e5296bf7929f6c085c4564b46e5497aa747f11ad6c71b1d0ad98bf4d1e129030) - April 5, 2019: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/44/60/44605f618b890c5fd91ad1f0a4c6afe81d15f1899cde1d57008b4396e461015f) - May 7, 2010: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/89/16/8916ff8c8de2b457d6c258583e536efaf338295aba4ac686141a051a14f1ccdf) - December 14, 2009: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/58/3a/583abd933ef59dcf30a4f1ea46a055c269266fb3252b0940145f36a9fdeeb4f8) --- 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.