STC ST09819DS

FAA Form 8110-2 (5/14) Page 1 of 3

Number: ST09819DS This certificate issued to: United Airlines 600 Jefferson St.

Houston, TX 77002 Part 25 of the Federal Aviation Regulations Original Product – Type Certificate Number: Make: The Boeing Company T00001SE Model: 777-222 Series Description of Type Design Change:

777-222 GLSSU and ADS-B Out (DO-260B) Installation in accordance with United Airlines Drawing List 3453DA14726 Revision ‘C’ dated October 5, 2018, or later FAA approved revisions.

Instructions for Continued Airworthiness, Document Number 3453R01431C Revision ‘B’ dated August 23, 2018, and AFM Supplement 477-16052-904 Revision ‘A’ dated November 7, 2018, or later FAA accepted revisions are required for this installation. No EWIS ICA is required for this modification.

1) The installation should not be incorporated in any aircraft unless it is determined that the interrelationship between this installation and any previously approved configuration will not introduce any adverse effect upon the airworthiness of the aircraft.

2) If the holder agrees to permit another person to use this certificate to alter a product, the holder must give the other person written evidence of that permission.

Date of Application: January 9, 2017 Date Reissued:

Date of Issuance: December 10, 2018 Date Amended:

By Direction of the Administrator Signature Title Patrick Ashton, STC Administrator United Airlines Organization Designation Authorization

FAA Form 8110-2 (5/14) Page 2 of 3

Transfer Endorsement Transfer the ownership of Supplemental Type Certificate Number: ST09819DS To (Name and address of transferee)

From (Name and address of grantor)

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United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: STxxxxxDS

Certification Basis:

Based on 14 CFR § 21.115 and § 21.101, and the FAA policy for design changes that are not significant in FAA Order 8110.48, the certification basis for this modification is as follows:

a. The type certification basis for parts not changed or not affected by the change is shown in TCDS T00001SE.

b. The certification basis for parts changed or affected by this modification since the reference application date January 9, 2017, is based upon the type certification basis shown in TCDS T00001SE with no exceptions.

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FAA Form 8110-2 (5/14) Page 4 of 3

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: STxxxxxDS

FAA Form 8110-2 (5/14) Page 5 of 3

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: STxxxxxDS

FAA Form 8110-2 (5/14) Page 6 of 3

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: STxxxxxDS