STC SA01916CH

Part 23 of the Federal Aviation Regulations. (See Type Certificate Data Sheet No. A19SW for complete certification basis)

For Model AT-802A: Installation of Wipaire Stall Improvement Array in accordance with Wipaire Inc. Installation Drawing No.

7A1-4407, Revision B, dated April 27, 2010, or later FAA approved revisions.

For Model AT-802: Installation of Wipaire Stall Improvement Array in accordance with Wipaire Inc. Installation Drawing No.

1004245, Revision B, dated April 27, 2010, or later FAA approved revisions.

1. The installer must determine whether this design change is compatible with previously approved modifications.

2. FAA Approved Airplane Flight Manual Supplement, dated December 3, 2003, or later FAA approved revision, is required for the AT-802A at up to 1350 shp.

Wipaire Inc.

1700 Henry Avenue - Fleming Field South St. Paul, MN 55075 A19SW Make : Air Tractor Inc.

Model : AT-802; AT-802A

Date of application : September 15, 2003

Date of issuance : December 04, 2003

Date amended : May 12, 2010; May 25, 2010

( 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 3 PAGES

Number

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

Number SA01916CH Date of Issuance: December 04, 2003 Date Amended: May 12, 2010

3. FAA Approved Airplane Flight Manual Supplement W-AT802A-67F-1424-VG, dated May 10, 2010, or later FAA approved revision, is required for the PT6A-67F powered AT-802A at 1424 shp.

4. FAA Approved Airplane Flight Manual Supplement W-AT802A-67F-1600-VG, dated May 10, 2010, or later FAA approved revision, is required for the PT6A-67F powered AT-802A at 1600 shp.

5. FAA Approved Airplane Flight Manual Supplement W-AT802-67F-1424-VG, dated May 10, 2010, or later FAA approved revision, is required for the PT6A-67F powered AT-802 at 1424 shp.

6. FAA Approved Airplane Flight Manual Supplement W-AT802-67F-1600-VG, dated May 10, 2010, or later FAA approved revision, is required for the PT6A-67F powered AT-802 at 1600 shp

7. FAA Approved Airplane Flight Manual Supplement W-AT802-67AG-1350-VG, dated May 24, 2010, or later FAA approved revision, is required for the AT-802 at up to 1350 shp

8. If the holder agrees to permit another person to use this certificate to alter a product, the holder must give the other person written evidence of that permission.

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