STC SH5762NM

Number SH5762NM

This Certificate issued to

Part 21 of the Federal Aviation Regulations

Installation of Advanced Technology Aircraft Company engine barrier filter in accordance with Advanced Technology Aircraft Company Master Drawing List No. 234, Revision C, dated August 17, 1992, or later FAA approved revisions. This STC is issued for use in the restricted category only, and the rotorcraft must be operated accordingly with the ATAC engine barrier filter installed.

Limitations and Conditions: Approval of the change in type design applies to the above model rotorcraft only. This approval should not be extended to other rotorcraft of this model series 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 rotorcraft. A copy of this Certificate Continuation Sheet, and FAA Approved Flight Manual Supplement dated August 24, 1992, must be maintained as part of the permanent records for the modified rotorcraft. 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.

(Continued on page 3).

Waukena Flying Services, Inc.

2680 Waukena Drive Tulare, CA 93274 H9EA

Boeing

Date of application : December 18, 1991

Date of issuance : September 22, 1992 Date reissued : December 16, 2011

( Signature) Manager, Systems and Equipment Branch Los Angeles Aircraft Certification Office

( Title)

Number SH5762NM

Limitations and Conditions continued The conditions and limitations of the Type Data Sheet, number H9EA, apply except where superseded by the following:

Restricted Category:

This STC is issued in the restricted category, and the rotorcraft must be operated accordingly when the ATAC engine barrier filter is installed.

Outside Air Temperature/Visible Moisture:

Flight in visible moisture with an outside air temperature below 40ӷF and the ATAC engine barrier filter element installed is prohibited.

Required Placards:

CAUTION:

FLIGHT IN VISIBLE MOSITURE BELOW 40ӷF WITH

ENGINE INLET FILTER ELEMENT N PLACE IS PROHIBITED

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