STC SA04744NY

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

BB__ BB_.

Original Product 7\SH&HUWLILFDWH1XPEHU Make:

VHHFRQWLQXDWLRQVKHHW IRUDGGLWLRQDOGDWHV By Direction of the Administrator Signature:

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ndustries, Inc.

714 N. Oliver Rd.

Newton, KS 67114 23 Title 14 Code of Federal Regulations A37CE Textron Aviation, Inc.

208B Installation of New External Radar Pod with Retractable EO/IR Sensor Lift Mechanism in accordance with (1) Master Data List (MDL) C208B-MDL-0154, rev IR, dated December 10, 2024, or later FAA approved revision. (2) Instructions for Continued Airworthiness (ICA) 08207200, rev A, dated November 27, 2024, 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) Aircraft Flight Manual Supplement (AFMS) 08207100, Rev IR, dated December 11, 2024, 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.

Continued on page 3 of 4.

7/9/24 12/11/24 ODA administrator, ODA-834634-NE 4

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:

(3) Aircraft Applicability, Model 208B

1. S/N 208B0001 through 208B0178 and 208B0180 through 208B0229, and as modified by SK208-84 with PW PT6A-114 engine or with PW PT6A-114A engine when operated to PT6A-114 operating limitations and without the optional TKS ice protection system.

2. S/N 208B0179, 208B0230 and on, and as modified by SK208-80 with PW PT6A-114A engines and without the optional TKS ice protection system.

(4) Flight Into Known Icing is NOT permitted with the EO/IR Sensor Lift Mechanism in deployed position.

(5) This STC only approves the envelope and weight limits of the sensor to be installed on the sensor lift mechanism and does not approve the operations, functions, and performance of any specific sensor. The FAA has not certified the sensors for which this provision is intended.

Additional FAA approval is required to approve sensor functions and operations. The FAA must evaluate the sensor functions and operations to ensure it complies with the applicable airworthiness standards.

(6) Flights with the EO/IR Sensor extended must be conducted with the aircraft in Restricted category.

34 12/11/24

(Continuation Sheet) Number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ertification 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 Textron Aviation Model: 208B is as follows:

(1) The type certification basis for parts not changed or not affected by the change is shown on TCDS A37CE.

(2) The modification certification basis for parts changed or affected by the change since the reference application date, July 9, 2024, is based upon 14 CFR part 23 as amended by Amendments 23-0 through 23-28, with the exception of those above amendment 23-28 as follows: 23.49(a)(2)(3)(4)(5)(6)(b)(d) amdt 23-62, 23.201(a)(b)(1)(3)(c)(d)(f)(1)(5)(i)(iii)(6)(7) amdt 23-62, 23.203(a)(b)(c)(1)(5)(i)(iii)(6)(7) amdt 23-62, 23.773 amdt 23-45, 23.777(a)(b) amdt 23-51, 23.1581(a)(1)(b)(1)(c)(d)(f) amdt 23-50, 23.1583(h)(m) amdt 23-50, 23.1585(a)(j) amdt 23-62.

(3) This alteration has been determined to have no acoustical change per 21.93(b) amdt 21-107.

- - - END - - -

44 12/11/24