STC SA00397BO

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA00397BO This certificate issued to:

PK Floats, Inc.

32 Flyaway Drive Lincoln, ME 04457 CAR 3 of the Civil Air Regulations.

Original Product - Type Certificate Number: 3A12 Make: Textron Aviation Inc.

Model: 172H Serial Number: 172-55610 Registration Number: N2410L Description of Type Design Change:

Installation of PK Floats model B2300 in accordance with PK Floats, Inc., Master Document List (MDL), Document number 172H-MDL-B2300, Rev K, dated March 07, 2019, or later FAA approved revision. This is a one-only STC.

1. Operation must be in accordance with PK Floats, Inc., Aircraft Flight Manual Supplement (AFMS) Document number 172H-AFMS-B2300, Rev C, FAA approved on March 14, 2019, or The AFMS must be carried in the aircraft during all flights.

(continued on Page 3 of 3)

Date of Application: September 21, 2018 Date Reissued:

Date of Issuance: March 14, 2019 Date Amended: Cannot be amended By Direction of the Administrator Signature been Sile Kevin Dickert Title Manager, Boston Aircraft Certification Office This The ST's supporting documentation (drawings, instructions, specifications, flight manual supplements, etc.) is the property of the STC holder.

FAA Form 8110-2 (5/14) Page 1 of 4

Supplemental Type Certificate Number: SA00397BO

This

FAA Form 8110-2 (5/14) Page 2 of 4

To (Name and address of transferee) Make:

Address (Number and Street, City, State, and ZIP Code):

From (Name and address of grantor) Make:

Address (Number and Street, City, State, and ZIP Code):

(Continuation Sheet) Number: SA00397BO

This

FAA Form 8110-2 (5/14) Page 3 of 4

Limitations and Conditions: (continued from Page 1 of 3)

2. Maintenance must be in accordance with Instructions for Continued Airworthiness (ICA), Document number 172H-ICA-B2300, Rev B, dated November 01, 2018, or later FAA accepted revision.

The ICA must be made available to the operator at the time of installation.

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

4. The descriptive data about this design change is not authorized to duplicate other products. This approval is limited to one and only the installation made in Textron, Model 172H, Serial No.

172-55610. This STC does not permit manufacturing of parts for multiple installations such as a PMA.

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 Textron Aviation, Inc. 172H aircraft is as follows:

a. The type certification basis for parts not changed or not affected by the change is shown on TCDS 3A12.

b. The modification certification basis for parts changed or affected by the change since the reference application date, September 21, 2018, is based upon CAR 3 as follows:

Regulations at the latest amendment 3-12 None Regulations at an intermediate amendment None Regulations at the amendment level in TCDS 3A12 CAR 3.71, CAR 3.73, CAR 3.74, CAR 3.75, CAR 3.76, CAR 3.86, CAR 3.87, CAR 3.143, CAR 3.144, CAR 3.145, CAR 3.146, CAR 3.147, CAR 3.171, CAR 3.172, CAR 3.173, CAR 3.174, CAR 3.256, CAR 3.273, CAR 3.275, CAR 3.277, CAR 3.278, CAR 3.279, CAR 3.291, CAR 3.292, CAR 3.293, CAR 3.294, CAR 3.295, CAR 3.301, CAR 3.307,

(Continuation Sheet) Number: SA00397BO

This

FAA Form 8110-2 (5/14) Page 4 of 4 CAR 3.371, CAR 3.373, CAR 3.416, CAR 3.417, CAR 3.418, CAR 3.422b, CAR 3.422c, CAR 3.777b.

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