STC SA01751LA-D

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number STOI75ILAD This certificate issued to: Gulfstream Aerospace Corporation 500 Gulfstream Road Savannah, GA 31408 Purt. 25 of the Federal Aviation Regulations. See Type Certificate Data Pheet A12EA for complete certification basis.

Original Product -Type Cerlificate Number: A12EA Make: Gulfstream Model: GIV-X & GV-SP Description of Type Design Change: Installation of an EROS Convertible MLD2O Series Crew Oxygen Mask - Regulator with detachable smoke goggles in accordance with Gulfstream Acrospace Corporation Index List GC544538000, Revision G, dated May 12, 2014, or later FAA approved revision.

For CL GC544538003 (formerly the -501 Configuration), the FAA approved Airplane Flight Manual Supplement GC54453M000, original release, dated July 22, 2005 or later FAA approved revision, is required and must be carried in the aircraft on all flights.

For Configurations other than noted above, the FAA approved Airplane Flight Manual Supplement CE54453M001, Revision A, dated May 12, 2014 or later FAA approved revision is required and must be carried in the aircraft on all flights.

The instructions for Continued Airworthiness, Document GC54453A000 Revision "C", dated May 05, 2014 or later FAA accepted revision shall be made available to the operator at the time of installation.

Limitations and Conditions: (continued on page 3)

Date of Application: February 16, 2005 Date Reissued: June 13, 2011 Date of Issuance: July 22, 2005 Date Amended: June 13, 2011, May 13, 2014 By Direction of the Administrator FEDERAL AVIATION William S. Whitton, Jr. ODA Lead Administrator, ODA-511131-CE Manh h. smit (Signature) TOMINSTRATO Gulfstream Aerospace Corporation Savannah, Georgia (Title)

The FAA will reissue the certificate in the name of the transferee and forward it to him.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) (Number and street) (City, Stale, and ZIP code) from (Name of grantor) (Print or type) (Address of grantor) (Number and street) (City, Stale, and ZIP code) Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number STO1751LA-D This certificate issued to: Gulfstream Aerospace Corporation 500 Gulfstream Road Savannah, GA 31408 Part 25 of the Federal Aviation Pegulalions. See Type Certificate Data Sheet A12EA for complete certification basis.

Original Product Type Serlificate Number: A12EA Abuke: Gulfstream Model: GV-SP Description of Type Design Change: Installation of an EROS Convertible MLD20 Series Crew Oxygen Mask

- Regulator with detachable smoke goggles in accordance with Gulfstream Aerospace Corporation Index List GC544538000 Revision "E", dated June 8, 2011 or later FAA approved revision.

For the -501 Configuration, the FAA Approved Airplane Flight Manual Supplement GC54453M000, original release, dated July 22, 2005 or later FAA approved revision, is required and must be carried in the aircraft on all For the -502 Configuration, the FAA Approved Airplane Flight Manual Supplement CE54453M001, original release, dated June 13, 2011 or later FAA approved revision, is required and must be carried in the aircraft on all flights.

The Instructions for Continued Airworthiness, Document GC54453A000 Revision "A", dated April 26, 2011 or nade a lot one later FAA accepted revision shall be made available to the operator at the time of installation.

1. The installer must determine whether this design change is compatible with previously approved modifications.

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.

3. Cockpit crew members must be sufficiently trained in the use of this oxygen mask and smoke goggles in accordance with EROS Document No. 4NUT0114A, dated March 15/05 or subsequent revision

Date of Application: February 16, 2005 Date Reissued: June 13,2011 Date of Issuance: July 22, 2005 Date Amended: June 13,2011 FEDERAL AVIATION (Signature) ministrator TOMINISTRATO -WillianS. Whitton, Jr. ODA Lead Administrator, ODA-511131-CE Gulfstream Aerospace Corporation Savannah, Georgia (Title)

47.

TRANSFER ENDORSEMENT Transfer the ownership of the Supplemental Type Certificate Number_ to (Name of transferee)_ (Address of transferee) (Number and street) (City, State, and Zip code) from (Name of grantor) (Print or type) (Address of grantor) (Number and street) (City, State, and Zip code) Extent of Authority (if liccnsing agreement):

Signature of grantor (In ink):

ПU.S. GPO: 1987-763-289

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number STO175ILAD Date Amended: May 13, 2014 Limitations and Conditions:

The installer must determine whether this design change is compatible with previously approved modifications.

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.

3. Cockpit crew members must be sufficiently trained in the use of this oxygen mask and smoke goggles in accordance with EROS Document No. 4NUT0114A, dated March 15/05 or subsequent revision thereof.

...END...

FAA FORM 8110-2-1(10-69) PAGE 3 of 3 PAGES