STC SR02677SE

Number SR02677SE

This certificate, issued to Dart Aerospace USA, Inc.

3845 NE 30th Avenue Hillsboro, OR 97124

Part 27 of the Federal Aviation Regulations.

Original ProductType Certificate Number: H88EU Make: Airbus Helicopters Deutschland GmbH Model: EC135P1, EC135T1, EC135P2, EC135T2, EC135P2+, EC135T2+, EC135P3, EC135T3

Description of the Type Design Change: Installation of Heavy Duty Wearplates in accordance with Installation Instructions IIN-D135-1070 Revision A, dated September 26, 2019 or later Federal Aviation Administration (FAA) approved revision. Manufactured in accordance with Master Document List MDL-D135-1070 Revision B, dated December 19, 2019, later FAA approved revision. Maintained in accordance with the Instructions for Continued Airworthiness (ICA) ICA-D135-1070 Revision 0, dated August 26, 2019 or later FAA accepted revision.

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 other previously approved modifications will introduce no adverse effect upon the airworthiness of that rotorcraft. A copy of this certificate and the ICA must be maintained as part of the permanent records for the modified aircraft.

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.

Date of application: June 20, 2019 Date reissued Date of issuance: January 28, 2020 Date amended

FAA FORM 8110-2 (5/14) PAGE 1 OF 2 PAGES By direction of the Administrator

(Signature)

Manager, Seattle ACO Branch (Title)

Transfer the ownership of Supplemental Type Certificate Number

to (Name of Transferee)

(Address of Transferee)

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(City, State, and ZIP Code)

from (Name of Grantor) (Print or Type)

(Address of Grantor)

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Signature of Grantor (In Ink):

U.S. GPO: 1987-763-289