STC SA03813AT

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA03813AT This certificate issued to: PMA Design & Manufacturing Inc.

8493 Baymeadows Way Jacksonville, FL 32256 Part 3 of the Civil Air Foegulations.

Original Product - Type Cerlificate Number: AJEA Make: Viking Air Limited (DeHavilland, Bombardier) Model: DHC-6-100, -200, -300 Description of Type Design Change: Installation of two (2) digital Turbine Temperature (T5) Indicators and two (2) circuit breakers per PMA Design & Manufacturing Inc, Master Data List Document PDMT5-01, Rev. C, Dated September 3, 2009, or later FAA Approved Revisions. PMA Design & Manufacturing Inc, P/N PDMC6CSC1085-9 (TSO-C43c) replaces the two analog Turbine Temperature (T5) Indicators OEM P/N's C6SC1085-5 or C6SC1085-9 on aircraft with PT6-27 or PT6-34 engines.

Limitations and Conditions: This approval should not be extended to other aircraft of this model on which other previously approved modifications are incorporated, unless it is determined by the installer that the interrelationship between this change and any other previously approved modifications will produce no adverse effect upon the airworthiness of that airplane. 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: November 13, 2006 Date Reissued:

Date of Issuance: October 23, 2009 Date Amended:

FEDERAL AVIATION lion of the Jodministrator TOMINISTRATO Melvin D. Taylor, Manager Atlanta Aircraft Certification Office (Title) 47

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA03813AT Date of Issuance: October 23, 2009 Certificalion Basis: Based on 14 CFR §§ 21.115 and 21.101, and the FAA policy for significant changes in FAA Order 8110.48, the certification basis for parts changed or affected by the change since the reference date of application, Nov 13, 2006, is based upon the following Tile 14 Part 23 Code of Federal Regulations and amendments:

§23.1301 (a-1, 2, 3, 4), (b), Amdt. 23-14 §23.1305, Amdt. 23-14 §23.1309 (a-2), (c), Amdt. 23-14 §23.1321 (a), (c),, Amdt. 23-14 §23.1365 (a), Amdt. 23-14 §23.1381 (a), (b), Orig. §23.1351 (a-1,-2), (b-lii, iii), Orig. §23.1357 (a-1, -2), (b), (c-1, -2), (d), Orig §23.1431 Orig §23.1521 (a), (b-3), Orig. §23.1529, Amdt. 23-26 §23.1543 (a), Orig.

§23.1549 (a), (b), (c), Orig.

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FAA FORM 8110-2-1 (10-69) PAGE 2 of 2 PAGES