STC SA00674CH

1700 Henry Ave. - Fleming Field South St. Paul, MN 55075

Part * of the * Regulations.

Original Product--Type Certificate Number :* *(see attached FAA Approved Model List (AML) No. SA00674CH for list of Make : * Approved models and applicable airworthiness regulations)

Installation of Wipaire Model 2100 Amphibian/Seaplane Floats in accordance with Wipaire, Inc. Installation Drawing as listed on AML SA00674CH, issued August 24, 2005, or later FAA Approved revisions.

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

2. Supplemental Type Certificate (STC) SA332GL is required for Models 172I, 172K, and 172L when installed in accordance with Wipaire Drawing 10D1-6446. STC SA332GL is optional for Models 172M, 172N, and 172P when installed in accordance with Wipaire Drawing 10D1-6446.

Date of application : October 16, 1996

Date of issuance : May 28, 1997 Date reissued :

Date amended : September 11, 2000; August 24, 2005

( Signature) Gregory J. Michalik, Senior Aerospace Engineer Airframe & Administrative Branch Chicago Aircraft Certification Office

(Title) Original signed by:

Gregory J. Michalik

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

Number Number SA00674CH Date of Issuance: May 28, 1997 Date Amended: August 24, 2005

3. FAA Approved Airplane Flight Manual Supplement for Amphibian Operations in the Cessna Model 172M, N, P with Wipline Model 2100 Amphibian Floats, dated February 18, 1997, or a later FAA approved revision is required with this installation when installed in accordance with Wipaire Drawing 10D1-6446.

4. FAA Approved Airplane Flight Manual Supplement for Seaplane Operations in the Cessna Model 172M, N, P with Wipline Model 2100 Seaplane Floats, dated August 21, 2000, or a later FAA approved revision is required with this installation when installed in accordance with Wipaire Drawing 10D1-6446.

5. FAA Approved Airplane Flight Manual Supplement for Amphibian Operations in the Cessna Model 172I, K, L, M, N, P with Wipline Model 2100 Amphibian Floats Modified with Penn Yan Aero SA332GL, dated August 21, 2000, or a later FAA approved revision is required with this installation when installed in accordance with Wipaire Drawing 10D1-6446.

6. FAA Approved Airplane Flight Manual Supplement for Seaplane Operations in the Cessna Model 172I, K, L, M, N, P with Wipline Model 2100 Seaplane Floats Modified with Penn Yan Aero SA332GL, dated August 21, 2000, or a later FAA approved revision is required with this installation when installed in accordance with Wipaire Drawing 10D1-6446.

7. The appropriate FAA Approved Airplane Flight Manual Supplement required for all models with floats installed in accordance with Wipaire Drawing 1001545 is identified in FAA Approved Model List (AML) No. SA00674CH, issued August 24, 2005, or later FAA approved revision.

8. A copy of this Certificate and FAA Approved Model List (AML) No. SA00674CH, issued August 24, 2005, or later FAA approved revision, must be maintained as part of the permanent records for the modified aircraft.

9. 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.

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