# STC SA302WE - Type: Supplemental type certificate - Status: Current, Reissued - Holder: ROBERT W. MURRAY, United States - Description: Incorporate a de-icing system (as manufactured by applicant) externally on Rotol propeller spinner as an alternate to Dowty Rotol internal elements. If applied to original spinner, Montgomery Systems Tech., Inc. P/N 72196-2 will apply. If applied to a new aluminum nose spinner P/N 72196-1 will apply. Dowty Rotol Service Bulletin Section 61-170 pages 1 and 2 outlines a revised spinner de-icing system. This is a Napier external system. Approval of the A.R.B. is indicated. (Continued on page 3) - Applied: October 10, 1962 - Status date: December 20, 2011 - Product: Aircraft, Large Multi-Engine - Certification basis: Part 21, Part 25 - Data sheets: [TCDS A-817](https://openairdocs.org/tcds/A-817), [TCDS 1A17](https://openairdocs.org/tcds/1A17), [TCDS 7A1](https://openairdocs.org/tcds/7A1), [TCDS A-814](https://openairdocs.org/tcds/A-814), [TCDS A24EU](https://openairdocs.org/tcds/A24EU) - Certificate PDF: https://openairdocs.org/files/sha256/d2/b5/d2b5d911bb81be52d4e9f26e55d81d2d9329c5727a7e1d1fdc1255df4bf05a25 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/48E3B8967F14FD9D8625797B004D0BEF.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SA302WE ## ADs that name it (0) None. ## Approved models (17) - BAE Systems (Operations) Limited HS 748 Series 2A ([TCDS A24EU](https://openairdocs.org/tcds/A24EU)) - BAE Systems (Operations) Limited HS 748 Series 2B ([TCDS A24EU](https://openairdocs.org/tcds/A24EU)) - Fokker Services F27 Mark 050 ([TCDS A-817](https://openairdocs.org/tcds/A-817)) - Fokker Services F27 Mark 100 ([TCDS A-817](https://openairdocs.org/tcds/A-817)) - Fokker Services F27 Mark 200 ([TCDS A-817](https://openairdocs.org/tcds/A-817)) - Fokker Services F27 Mark 300 ([TCDS A-817](https://openairdocs.org/tcds/A-817)) - Fokker Services F27 Mark 400 ([TCDS A-817](https://openairdocs.org/tcds/A-817)) - Fokker Services F27 Mark 500 ([TCDS A-817](https://openairdocs.org/tcds/A-817)) - Fokker Services F27 Mark 600 ([TCDS A-817](https://openairdocs.org/tcds/A-817)) - Fokker Services F27 Mark 700 ([TCDS A-817](https://openairdocs.org/tcds/A-817)) - Gulfstream Aerospace Corporation G-159 ([TCDS 1A17](https://openairdocs.org/tcds/1A17)) - Maryland Air Industries Inc. F-27 ([TCDS 7A1](https://openairdocs.org/tcds/7A1)) - Maryland Air Industries Inc. F-27A ([TCDS 7A1](https://openairdocs.org/tcds/7A1)) - Maryland Air Industries Inc. F-27B ([TCDS 7A1](https://openairdocs.org/tcds/7A1)) - Maryland Air Industries Inc. F-27F ([TCDS 7A1](https://openairdocs.org/tcds/7A1)) - Vickers-Armstrongs (Aircraft Limited) Viscount 745D ([TCDS A-814](https://openairdocs.org/tcds/A-814)) - Vickers-Armstrongs (Aircraft Limited) Viscount 810 ([TCDS A-814](https://openairdocs.org/tcds/A-814)) ## 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. This Certificate issued to ROBERT W. MURRAY 24196 Zancon Mission Viejo, California 92692 Part *of the Civil Air Regulations. *see page 3 Original Product Type Certificate Number : * see page 3 * * Description of Type Design Change : Incorporate a de-icing system (as manufactured by applicant) externally on Rotol propeller spinner as an alternate to Dowty Rotol internal elements. If applied to original spinner, Montgomery Systems Tech., Inc. P/N 72196-2 will apply. If applied to a new aluminum nose spinner P/N 72196-1 will apply. Dowty Roto l Service Bulletin Section 61-170 pages 1 and 2 outlines a revised spinner de-icing system. This is a Na pier external system. Approval of the A.R.B. is indicated. (Continued on page 3) Limitations and Conditions: This approval should not be extended to other specific airplanes of this model on which other previously appr oved modifications are incorporated, unless it is determined that the interrelationship between this cha nge and any of those other previ ously approved modifications will introduce no adverse effect on the airworthiness of tho se aircraft. If the holder agrees to permit another person to use this certificate to alter the product, th e holder shall give the other person written evidence of that permission. Date of application : October 10, 1962 Date of issuance : January 31, 1963 Date reissued : October 22, 1970, February 23, 1983, August 31, 2006, December 20, 2011 Date amended : February 23, 1983, May 3, 2002 August 31, 2006 By direction of the Administrator ( Signature) Haifa Haj-Eid Supervisor, Technical and Administrative Support Staff Los Angeles Aircraft Certification Office ( Title) NOTE: **DO NOT DELETE THIS PAGE.** **DO NOT ADD ANY DATA TO THIS PAGE.** **THIS PAGE IS FOR PAGE NUMBERING PURPOSES, PLEASE DISCARD PRINTED COPY.** Number SA302WE Original Product - Continued *Aircraft Make/Model Mfg. or TC Holder Type Certificate No. Certification Basis Viscount 745 D & 810 Vickers A-814 CAR part 10 F-27, F-27A, F-27B, F-27F Fairchild 7A1 CAR part 4b Gulfstream G-159 Grumman 1A17 CAR part 4b Friendship F27 Fokker A-817 CAR part 10 HS 748 Series 2A, 2B Bae Systems A24EU 14 CFR part 25 Description of Type Design Change -Continued The applicant, Jay-Dee Aircraft Supply Co. Inc., is to manufacture the heater as described in the Service Bulletin. Drawing No. 72196, Revision H, or later FAA approved revision, describes the heater in detail and shows that it is identical to the Napier P/N 0409/2 which replaces the original Dowty-Rotol internal boots. -END- ## Every issue (3) - December 20, 2011: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/d2/b5/d2b5d911bb81be52d4e9f26e55d81d2d9329c5727a7e1d1fdc1255df4bf05a25) - August 31, 2006: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/31/54/31547ac7f6c64a4cce8e1921a3be2ac0546b2abedadc514742da6775506a10d0) - May 3, 2002: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/3a/d6/3ad60c9d9cefecc7f77cfc4e797d00c6a93371844f2cfe386e9349d5b4788724) --- 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.