STC SA01416SE

SA01416SE Westview Aviation, LLC 1400 Westview Dr.

Wenatchee, WA 98801 23 A22NM Aviat Husky A-1; A-1A; A-1B; A-1C-180 Installation of a butterfly valve in the oil cooler inlet duct in accordance with Gate 9 Aircraft Maintenance Inc. Top Drawing List G9-TDL-001, Revision N/C, dated March 11, 2004, or later FAA Approved revision, and Document Number G9-II-001, Revision N/C "Installation Instructions" dated March 11, 2004, or later FAA Approved revision.

March 24, 2004 April 21, 2023 June 3, 2004 February 7, 2012 for Manager, West Certification Branch the Federal Aviation Regulations Approval of this change in type design applies to the above model aircraft only. This approval should not be extended to other aircraft only. This approval should not be extended to other aircraft of this model on which other previously approved modifications are incorporated unless it is determined that the relationship between this change and any of those other previously approved modifications, including changes in type design, will introduce no adverse effect upon the airworthiness of that aircraft.

This airplane must be maintained in accordance with Document Number G9-II-001, Revision N/C "Installation Instructions" section IX, or later FAA Approved revision.

A copy of this certificate and the Aircraft Flight Manual Supplement G9-AMFS-02, Revision N/C, or later FAA approved revision must be maintained as part of the permanent records.

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.

SA01416SE