# STC SR02288LA - Type: Supplemental type certificate - Status: Current, Amended - Holder: Gyron Systems International, LTD., United States - Description: Installation of Nose Window Utility Mount. - Applied: February 17, 2007 - Status date: July 31, 2014 - Product: Aircraft, Rotorcraft - Certification basis: Part 21, Part 27 - Data sheets: [TCDS H9EU](https://openairdocs.org/tcds/H9EU), [TCDS H11EU](https://openairdocs.org/tcds/H11EU) - Certificate PDF: https://openairdocs.org/files/sha256/5e/fa/5efa18dcaf074285bad3209fdfad400519a38349845fb48297c786c691d65611 - Approved model list and other attachments: [AML SR02288LA.pdf](https://openairdocs.org/files/sha256/13/21/13211ae72e8018bce77ce07fa93df413459a5427efdecc40805eac1f310f2ce4) - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/522F644CB635504E86257D32005240CB.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SR02288LA ## ADs that name it (0) None. ## Approved models (13) - Airbus Helicopters AS-350B ([TCDS H9EU](https://openairdocs.org/tcds/H9EU)) - Airbus Helicopters AS-350B1 ([TCDS H9EU](https://openairdocs.org/tcds/H9EU)) - Airbus Helicopters AS-350B2 ([TCDS H9EU](https://openairdocs.org/tcds/H9EU)) - Airbus Helicopters AS-350B3 ([TCDS H9EU](https://openairdocs.org/tcds/H9EU)) - Airbus Helicopters AS-350BA ([TCDS H9EU](https://openairdocs.org/tcds/H9EU)) - Airbus Helicopters AS-350D ([TCDS H9EU](https://openairdocs.org/tcds/H9EU)) - Airbus Helicopters AS-350D1 ([TCDS H9EU](https://openairdocs.org/tcds/H9EU)) - Airbus Helicopters AS355E ([TCDS H11EU](https://openairdocs.org/tcds/H11EU)) - Airbus Helicopters AS355F ([TCDS H11EU](https://openairdocs.org/tcds/H11EU)) - Airbus Helicopters AS355F1 ([TCDS H11EU](https://openairdocs.org/tcds/H11EU)) - Airbus Helicopters AS355F2 ([TCDS H11EU](https://openairdocs.org/tcds/H11EU)) - Airbus Helicopters AS355N ([TCDS H11EU](https://openairdocs.org/tcds/H11EU)) - Airbus Helicopters AS355NP ([TCDS H11EU](https://openairdocs.org/tcds/H11EU)) ## What the certificate says Read from the PDF's text layer, without the form's printed wording; the layout is lost and the order can differ. The PDF is the record. United States Of America Department of Transportation - Federal Aviation Administration Supplemental Type Certificate Original STC Reported as Lost N umber SR02288LA This Certificate issued to Part 27 of the F ederal A viation R egulations . Description of Type Design Change: Installation of Nose Window Utility Mount in accordance with FAA approved Gyron Systems International, LTD Master Drawing List, AFNW-010, Revision “N/C”, dated May 18, 2010, or later FAA approved revisions. The Installation Manual AFNW-006, dated May 6, 2010, or later FAA approved revisions, and the FAA approved Rotorcraft Flight Manual Supplement, AFNW-007, dated May 6, 2010, or later FAA approved revisions. Instructions for Continued Airworthiness, AFNW-008, dated January 7, 2009, or later FAA accepted revisions. Limitations and Conditions: Installation of Nose Window Utility Mount addresses only the subpart B (Flight) and C (Strength Requirements) of 14 Code of Federal Aviation Regulations, Part 27. 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. The approval of this modification applies to the above noted aircraft model series only. A copy of this certificate must be maintained as part of the permanent records of 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. This c ertificate and the supporting data which is the basis for approval shall remain in effect until surrendered, suspended, revoked or a termination date is otherwise established by the A dministrator of the F ederal A viation A dministration. Gyron Systems International, LTD. 39 East Walnut Street Pasadena, California 91103 * See attached Approved Model List (AML) No. * SR02288LA for the list of approved helicopter * models and applicable airworthiness regulations. Original Product Type Certificate N umber : M ake : M odel : Date of application : February 17, 2007 Date of issuance : May 21, 2010 Date amended : August 3, 2010; July 31, 2014 B y direction of the A dministrator (Signature) Manager, Airframe Branch Los Angeles Aircraft Certification Office (Title) ### AML SR02288LA.pdf Page 1 of 1 **FAA APPROVED MODEL LIST (AML) NO. SR02288LA** **GYRON SYSTEMS INTERNATIONAL, LTD.** **FOR INSTALLATION OF A NOSE WINDOW UTILITY MOUNT** ISSUE DATE May 21, 2010 Item Aircraft Make Aircraft Model Original Type Certificate Number Certification Basis for Alteration Master Drawing List Number Rev/Date RFM Supplement Number Rev/Date AML Amendment Date 1 Eurocopter France/ Airbus Helicopters AS350B, AS350D, AS350D1, AS350B, AS350B1, AS350B2, AS350BA, AS350B3 H9EU Rev 17 Title 14 CFR Part 27 Amend 27- 40 AFNW-010 Rev. NC 3/15/2009 AFNW-007 5/6/2010 2 Eurocopter France/ Airbus Helicopters AS355E, AS355F, AS355F1, AS355F2, AS355N, AS355NP H11EU Rev 10 Title 14 CFR Part 27 Amend 27- 40 AFNW-010 Rev. NC 3/15/2009 AFNW-007 5/6/2010 FFA Approved: Manager, Airframe Branch Date: ## Every issue (3) - July 31, 2014: Amended, Current. [certificate](https://openairdocs.org/files/sha256/5e/fa/5efa18dcaf074285bad3209fdfad400519a38349845fb48297c786c691d65611), [AML SR02288LA.pdf](https://openairdocs.org/files/sha256/13/21/13211ae72e8018bce77ce07fa93df413459a5427efdecc40805eac1f310f2ce4) - August 3, 2010: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/a2/cf/a2cfdf30ca7b9cf47226e3b7e14e105e56766703751943bb089f9bcffbfa837c), [SR02288LA AML.pdf](https://openairdocs.org/files/sha256/95/a0/95a07575cc04120ad431d423fc1c888c8fb66e7898c6b9d93467d65fecd5c89a) - May 21, 2010: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/cb/98/cb98318b0676e904bee65cef612eb4c69f897b69419210fcc35f671674629887), [Airfilm SR02288LA AML.pdf](https://openairdocs.org/files/sha256/10/20/1020160302a2b06143bf6bf08a710f2f5862d6c0efffe0b15e2fa584ad41e838) --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.