STC SA02495CH

23 Federal Aviation (See Page 3 for complete certification basis)

Installation of an L-3 Communications GH-3100 Electronic Standby Instrument System in accordance with Kansas City Aviation Center Master Data List 12-3421L001, Revision B, dated November 01, 2007, or later FAA approved revision.

1. Compatibility of this design change with previously approved modifications must be determined by the installer.

2. FAA Approved Flight Manual Supplement, Kansas City Aviation Center Document 12-3421B001, Revision A, approved November 07, 2007, or later FAA approved revision is a required part of this STC.

3. If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other p erson written evidence of that permission.

Kansas City Aviation Center, Inc.

15235 South Pflumm Road Olathe, KS 66062 A78EU Pilatus Aircraft Limited PC-12, PC-12/45, PC-12/47 May 01, 2007

November 07, 2007

June 14, 2010

(Signature) Steven L. Lardinois, Manager Systems Section Chicago ACO Branch

(Title)

FAA FORM 8110-2-1(10-69) PAGE 3 of 3 PAGES SA02495CH

Date of Issuance: November 07, 2007 Date of Reissue: June 14, 2010

Certification Basis (continued)

Based on 14 CFR §§ 21.101 and 21.115, and the FAA policy for significant changes in FAA Order 8110.48, the certification basis for the Pilatus Aircraft Limited PC-12, PC-12/45 and PC-12/47 aircraft with the installation of the L-3 Communications GH-3100 Electronic Standby Instrument System is as follows:

a. The type certification basis for Pilatus Aircraft Limited PC-12, PC-12/45 and PC-12/47 airplanes is shown on TCDS A78EU for parts not changed or not affected by the change.

b. The certification basis for parts changed or affected by the change since the reference date of application, May 01, 2007, is based upon part 23 as amended by Amendment 23-55. Based on 14 CFR §§ 21.101 and 21.115, and the FAA policy for significant changes in FAA Order 8110.48, the certification basis for this modification was determined to be:

Regulations at the latest amendment 23-0 through 23-55

23.301(a), (b); 23.303; 23.305(a), (b); 23.307(a); 23.561 (a), (b), (e); 23.571; 23.603(a), (b); 23.605(a); 23.607(b);

23.609(a), (b); 23.611; 23.613(a), (b), (d); 23.619; 23.625(a); 23.777(a), (b); 23.1301(a), (b), (c), (d); 23.1303(a) ,

(c), (e), (f); 23.1307; 23.1309(a), (b), (c), (d), (e); 23.1311(a), (b); 23.1321(a), (c), (d), (e); 23.1322; 23.1323(a),

(c); 23.1325(b)(1); 23.1327(a); 23.1331 (a), (b); 23.1351(a); 23.1353(c), (e), (h); 23.1357(a), (b), (c), (d);

23.1359(c); 23.1365(a), (b), (d), (e); 23.1367; 23.1381; 23.1431 (a), (b); 23.1501; 23.1529; 23.1541(a), (b);

23.1543; 23.1545; 23.1547; 23.1581(a), (b), (c), (d), (f); 23.1583(m); 23.158 5(a), (j).

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