STC SA1117NW

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number SA1117NW This certificate issued to: Airmetal Northwest, InC.

Purt 3 of the Civil Air Regulations Original Product - Type Certificate Number: 3A17 Make. Cessna Model: 175 Lescriplion fLypoLesign bhange: Installation of an 18 inch diameter camera hole in the rear passenger area floor and an optical scanner mounted in the left pilot's window in accordance with W/P Research Document No. 0389 and photographs 1 through NOTE: The camera hole will be sealed with a plexiglass shield.

Limitations and Conditions: Data pertaining to this modification are considered inadequate for duplication in other aircraft. This approval is limited to the installation in Cessna 175, Serial Number 56105 only. A copy of this Certificate and Addendum No. SA1117NW shall be maintained as part of the permanent records for the modified aircraft.

Date of Application: November 10, 1980 I ate missued:

Date of Issuance: January 16, 1981 Date Amended:

FEDERAL AVIATION ( Signature) TOMINIST BATO Acting Chief, Seattle Area Aircraft Certification Office (Title)

47.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) January 16, 1981 Number: SA1117Nw Supplemental Type Certificate ADDENDUM NO. SA1117NW The conditions and limitations of Type Certificate Data Sheet Number 3A17 apply except where superseded by the following:

Supplemental Type Certificate Data Sheet, which is part of SIC SAll17NW, prescribes the conditions and limitations under which the product for which the ment of the wi Air ng a fo STC was issued meets the airworthiness requirements of the Civil Air Regulations.

Supplemental Type Certificate HOLDER: Airmetal Northwest, Inc.

I. CESSNA 175 (NORMAL/RESTRICTED) AS MODIFIED BY STC SA1117NW NOTE 1: Limitations Operation with the W/P Research Optical Scanner and belly camera is approved for the Restricted Category Only. No persons other than the minimum required crew shall be carried during special purpose Restricted Category Operations.

NOTE 2: Only an A&P mechanic may install or remove the W/P Research Optical scanner and camera system. Removal of the components and installation of an interior floor cover reverts the airplane to Normal Category Operations. A logbook entry shall be made with each conversion of the airplane into Restricted Category and return to Normal Category.

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FAA FORM 8110-2-1 (10-69) PAGE 3 OF 3 PAGES C FAA AC 73-2651