STC SA01717WI

Part 23 of the Federal Aviation Regulations. *See continuation sheet, page 3.

Description of Type Design Change: Installation of an Aircell High Speed Internet System (AHSI) with Wireless Local Area Network (WLAN) and Axxess II Iridium Phone System in Cessna 525A airplanes and activation of Wireless Local Area Network on Cessna 525B airplanes. Data Required: (1) Duncan Aviation Inc., Document List No. CERTDOC-0000001028, Revision C, dated August 9, 2013, (2) FAA Approved Airplane Flight Manual Supplement, Duncan Aviation Inc., Document No. EDOC-0000014850, Revision A, dated May 8, 2013, (3) FAA Approved Airplane Flight Manual Supplement, Duncan Aviation Inc., Doc. No.

EDOC-0000015697, Revision B, dated August 9, 2013 or later FAA Approved Revisions to (1), (2), or (3).

Limitations and Conditions: Compatibility of this design change with previously approved modifications must be determined by the installer.

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.

Duncan Aviation, Inc.

3701 Aviation Road Lincoln, NE 68524 A1WI Make: Cessna Aircraft Company Model: 525A, 525B Date of application: February 19, 2013

Date of issuance: May 8, 2013

Date reissued: August 9, 2013

original signed by Patrick M. Chick (Signature) Patrick M. Chick, Jr.

ODA administrator, ODA-501013-CE Duncan Aviation, Lincoln, Nebraska

(Title)

Transfer the ownership of Supplemental Type Certificate Number

to (Name of transferee)

(Address of transferee) (Number and street)

(City, State, and Zip code)

from (Name of grantor) (Print or type)

(Address of grantor) (Number and street)

(City, State, and Zip code)

Signature of grantor (In ink):

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

Number SA01717WI Date of issuance: May 8, 2013

Certification Basis: In addition to the 14 CFR Part 23 requirements as shown in TCDS A1WI, 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

23.251 23-45

23.301(a)(b)(c) 23-48

23.573(b) 23-48

23.574(a) 23-48

23.575 23-48

23.607(a)(b) 23-48

23.773(a) 23-45

23.867(a)(b)(1)(2)(c)(1)(2) 23-49

23.1306(a)(1)(2)(b) 23-61

23.1309(a)(1)(3)(4)(b)(1)(2)(3)(4)(e) 23-49

23.1359(c) 23-49

23.1365(a)(d)(e) 23-49

23.1431(a)(b) 23-49

23.1585(a) 23-50

Compliance is also shown to:

Special Condition 23-145-SC, Special Conditions: Cessna Aircraft Model 525B-CJ3 Airplane;

Flight Performance, Flight Characteristics, and Operating Limitations.

14 CFR 23.1308(a)(1)(2)(3)(b) at Amendment 25-57, in lieu of Special Condition No. 23-ACE- 55, Special Conditions: Cessna Model 525 Airplane.

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