STC SH5724NM

Number SH5724NM This certificate, issued to Erickson Air-Crane, Inc.

dba Erickson Air-Crane 3100 Willow Springs Road Central Point, OR 97502 Part 29 of the Federal Aviation Regulations.

Original ProductType Certificate Number: H6EA Make: Erickson Model: S-64E and S-64F Description of the Type Design Change: Use of Mobil Oil Corporation Mobilith SHC220 synthetic grease to lubricate selected components in place of the previously approved grease.

Limitations and Conditions: Approval of this change in type design applies to the above model rotorcraft only.

This approval should not be extended to other rotorcraft of these models on which other previously approved modifications are incorporated unless it is determined by the installer, 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 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.

This certificate and the supporting data which is the ba sis for approval shall remain in effect until surrendered, suspended, revoked, or a termination date is otherwise established by the Administrator of the Federal Aviation Administration.

Date of application: December 7, 1990 Date reissued: 08/22/97; 03/01/01 Date of issuance: June 5, 1992 Date amended: 05/28/93; 03/01/01

(Signature) Acting Manager, Seattle Aircraft Certification Office (Title)