STC SA302WE

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:

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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.

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