STC ST10977SC

FAA Form 8110-2 (06/20) SUPERSEDES PREVIOUS EDITION Page 1 of ___

Part of .

ST10977SC DAC International Inc.

20500 Prairie St.

Chatsworth, CA 91311 25 Federal Aviation A13NM Bombardier DHC-8-100 Series, DHC-8-200 Series, DHC-8-300 Series Installation of Dual Universal Avionics Flight Management Systems (FMS) with Global Positioning System (GPS) in accordance with New Systems Master Drawing List #379-00-0001, dated 7/20/2010, or later approved FAA revision. Airplane Flight Manual Supplement document #379-02-0004, Revision IR, dated 6/1/2010, or later FAA approved revision is required.

The installer must determine whether this design change is compatible with previously approved modifications. If the holder agrees to permit another person to use this certificate to alter a product, the holder must give the other person written evidence of that permission.

04/06/2009 July 21, 2017; July 17, 2020 07/27/2010 June 21, 2011 Jim Grigg Manager, Fort Worth ACO Branch, Compliance & Airworthiness Division Aircraft Certification Service 4

FAA Form 8110-2 (06/20) SUPERSEDES PREVIOUS EDITION Page 2 of ___

ST10977SC 4

ST10977SC Date of Issuance: July 27, 2010 Date of Amendment: June 21, 2011 Date of Reissuance: July 17, 2020

Certification Basis (Continued):

Part 25, Subpart F - Equipment (continued)

25.1381(a), (b) 0

25.1431(a), (b), (c) 0

Part 25, Subpart G - Operating Limitations and Information

25.1501(a) 25-42

25.1525 0

25.1529 25-54

25.1541 0

25.1547(a), (b), (c), (d) 0

25.1581 25-72

25.1583 25-38

25.1585 25-105

Appendix H to Part 25 25-123

Part 26

26.11(c) 26-0

-END-

ST10977SC Date of Issuance: July 27, 2010 Date of Amendment: June 21, 2011 Date of Reissuance: July 17, 2020

Certification Basis (Continued):

Part 25, Subpart F - Equipment (continued)

25.1381(a), (b) 0

25.1431(a), (b), (c) 0

Part 25, Subpart G - Operating Limitations and Information

25.1501(a) 25-42

25.1525 0

25.1529 25-54

25.1541 0

25.1547(a), (b), (c), (d) 0

25.1581 25-72

25.1583 25-38

25.1585 25-105

Appendix H to Part 25 25-123

Part 26

26.11(c) 26-0

-END-

ST10977SC Date of Issuance: July 27, 2010 Date of Amendment: June 21, 2011 Date of Reissuance: July 17, 2020

Certification Basis (Continued):

Part 25, Subpart F - Equipment (continued)

25.1381(a), (b) 0

25.1431(a), (b), (c) 0

Part 25, Subpart G - Operating Limitations and Information

25.1501(a) 25-42

25.1525 0

25.1529 25-54

25.1541 0

25.1547(a), (b), (c), (d) 0

25.1581 25-72

25.1583 25-38

25.1585 25-105

Appendix H to Part 25 25-123

Part 26

26.11(c) 26-0

-END-