STC SA01872WI

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate This certificat e may be transferred or made available to third persons by licensing agreements in accordance with 14 CFR 21.47.

FAA Form 8110-2 (5/14) Page 1 of This certificate issued to:

Part of the

Signature

Title 3 SA01872WI Duncan Aviation, Inc.

3701 Aviation Road Lincoln, NE 68524 Federal Aviation Regulations *See Page 323* Installation of Honeywell UHF Provisions and Rockwell Collins TCN-500 TACAN System in accordance with (1) Duncan Aviation, Inc. Master Document List, Doc. No. CERTDOC-006447, Rev. A, dated March 26, 2018, and (2) Duncan Aviation, Inc. Airplane Flight Manual Supplement, Doc. No. CERTDOC-006738, Rev. A, dated March 26, 2018, or later FAA Approved revisions to (1) or (2).

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.

(Limitations and Conditions continued on page 3) Todd A. Thomas ODA STC administrator, ODA-501013-CE Duncan Aviation, Lincoln, Nebraska Textron Aviation Inc.

525C September 29, 2017 March 26, 2018 A1WI

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate This certificat e may be transferred or made available to third persons by licensing agreements in accordance with 14 CFR 21.47.

FAA Form 8110-2 (5/14) Page 2 of

To (Name and address of transferee) From (Name and address of grantor) Extent of Authority (if licensing agreement):

3 SA01872WI

This certificat e may be transferred or made available to third persons by licensing agreements in accordance with 14 CFR 21.47.

FAA Form 8110-2 (5/14) Page 3 of

After modification per this STC, the operator must include the maintenance information in Instructions for Continued Airworthiness, Duncan Aviation, Inc. Doc. No. CERTDOC-006662, Rev A, dated March 26, 2018, or later FAA accepted revisions, into the airplane's maintenance program.

Certification Basis:

The certification basis for parts changed or affected by this change is the 14 CFR Part 23 requirements as defined in TCDS A1WI, Rev. 25.

In addition to the 14 CFR Part 23 requirements as shown in TCDS A1WI, Rev. 25, the applicant has voluntarily complied with the Sections of 14 Code of Federal Regulations, Part 23, effective February 1, 1965, as amended by the Amendments stated:

14 CFR Part Amendment

23.1306 23-61 ------------------------------------------------------------------------------------END------------------------------------------------------------------------------------ SA01872WI