STC SA04763NY

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number 

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8 Kelly Avenue Londonderry, NH 03053 23 Title 14 Code of Federal Regulations A78EU Pilatus Aircraft Ltd PC-12, PC-12/45, PC-12/47, PC-12/47E, PC-12/47G Installation of of Gogo Galileo HDX in accordance with (1) Master Data List (MDL) PC12-MDL-0216, Rev B, dated May 21, 2026, or later FAA approved revision. (2) Instructions for Continued Airworthiness (ICA) PC12-ICA-0216, Rev A, dated February 18, 2026, or later FAA accepted revision, shall be made available to the operator at the time of installation and be incorporated into the operator’s maintenance program. (3) Airplane Flight Manual Supplement (AFMS) PC12-AFMS-0216, Rev IR, dated May 21, 2026, or later FAA approved revision, is required and must be carried during all flights.

(1) The installer must determine whether this design change is compatible with previously approved modifications.

(2) If the holder agrees to permit another person to use the certificate to alter the product, the holder must give the other person written evidence of that permission.

(3) This STC is applicable to all serial numbers for the applicable models.

(Limitations and Conditions Continued on Page 3 of 3) 12/9/25 5/26/26 ODA administrator, ODA-834634-NE 3

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number  (IIHFWLYH'DWH I Transferr Endorsementt Transfer the ownership of Supplemental Type Certificate Number:

Too (Name and address of transferee):

Date oI transfer:

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(Continuation Sheet) Number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imitations and Conditions (continued from Page 1 of 3):

(4) Operational approval to permit use of Portable Electronic Devices (PED) is not part of this STC.

Certification Basis:

Based on 14 CFR § 21.115 and § 21.101, and the FAA policy for design changes that are identified as not significant in FAA Order 8110.48, the certification basis for the Pilatus Aircraft Ltd Models: PC-12, PC-12/45, PC-12/47, PC-12/47E, PC-12/47G, is as follows:

(1) The type certification basis for parts not changed or not affected by the change is shown on TCDS A78EU.

(2) The modification certification basis for parts changed or affected by the change since the reference application date, December 9, 2025, is based upon 14 CFR part 23 (dated 01Feb1965) as amended by Amendments 23-1 through 23-42, with the exception of those above 23-42 as follows:

23.69(a)(b) amdt 23-50; 23.301(a)(b)(c) amdt 23-48; 23.305 amdt 23-45;

23.341 amdt 23-48; 23.561(b)(3)(e) amdt 23-48; 23.571(a)(c) amdt 23-45;

23.572 amdt 23-48; 23.573(b) amdt 23-48; 23.575 amdt 23-48;

23.613(a)(b)(c)(d) amdt 23-45; 23.629(a)(b) amdt 23-48; 23.773(a)(2) amdt 23-45;

23.777(a)(b) amdt 23-51; 23.853(a)(d)(3) amdt 23-62; 23.1307 amdt 23-49;

23.1309(a)(b)(d) amdt 23-62; 23.1322(c)(d)(e) amdt 23-43;

23.1351(a)(1)(2)(i) amdt 23-49; 23.1357(a)(c) amdt 23-43; 23.1359(a)(c) amdt 23-49;

23.1365(a)(d) amdt 23-49; 23.1431(a)(b) amdt 23-49.

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