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SA01975WI Avcon Industries, Inc.

714 N. Oliver, Hangar M Newton, KS 67114 Part 23 14 CFR A37CE Textron Aviation (Cessna) 208, 208B Installation of Fuselage Camera Ports with or without Mission Power System. Data required:

1. FAA Approved Master Data List, No. 01901000, Rev. A, dated March 12, 2026, and

2. FAA Approved Airplane Flight Manual Supplements, No. 01907100 or No. 01907101, both at Rev. A, and dated February 26, 2026, OR

3. FAA Approved Airplane Flight Manual Supplements, No. 01907104 or No. 01907105, both at Rev. IR, and dated February 25, 2026, or later FAA Approved revisions of 1, 2 or 3.

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

January 26, 2021 April 20, 2026 December 8, 2021 March 13, 2026 for Mr. Roy E. Boffo III Deputy Branch Manager, Central Certification Branch Compliance & Airworthiness Division Aircraft Certification Service 3

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nited States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA01975WI Reissue date: 4/20/2026 Certification Basis (continued from page 1):

In accordance with 14 CFR 21.101 and 21.115, and the procedures specified in FAA Order 8110-48 and FAA AC 21.101, the certification basis for this modification is as follows:

1. The type certification basis for areas not changed or not affected by this modification remain as specified in the applicable TCDS.

2. The certification basis for areas changed or affected by this modification since the date of application, January 26, 2021, was determined to be: TCDS A37CE.

In accordance with 14 CFR Part 23, effective February 1, 1965, as amended by Amendments 23-1 through 23-9 and 23-28, except:

-------- END -------- 33 Section

23.175

23.201(a)(c)(e)(f)(1)(4)(5)(6)

23.203(a)(1)(b)(c)(1)(4)(5)

23.251(a)(b)

23.1581(a)(b)(c)(d)(f)

23.1583(h)(m)

23.1585(j)

23.1589(a) Amendment 23-34 23-45 23-45 23-62 23-50 23-62 23-62 23-50