# STC SR00277SE - Type: Supplemental type certificate - Status: Current, Reissued - Holder: Onboard Systems International LLC, United States - Description: Fabrication of Onboard Systems Model 528-002-00 or 528-002-01 cargo hook - Applied: November 17, 1995 - Status date: October 7, 2021 - Product: Aircraft, Rotorcraft - Certification basis: Part 21, Part 29 - Data sheets: [TCDS H1SW](https://openairdocs.org/tcds/H1SW), [TCDS H4SW](https://openairdocs.org/tcds/H4SW) - Certificate PDF: https://openairdocs.org/files/sha256/0e/0d/0e0d486c8061613aec85ed72b8dec9ca49316bbafb795391185227bdb1734e67 - Approved model list and other attachments: [AML_SR00277SE.pdf](https://openairdocs.org/files/sha256/34/34/3434bffd2d53a04c6606a47519cadd23f3cfa7f8a7707fbfd7188c8116e1aebd) - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/155DCB3D333F0FF4862587F80066F37B.0001 - DRS record last changed: December 5, 2025 - Page: https://openairdocs.org/stc/SR00277SE ## ADs that name it (0) None. ## Approved models (6) - Bell Textron Inc. 204B ([TCDS H1SW](https://openairdocs.org/tcds/H1SW)) - Bell Textron Inc. 205A ([TCDS H1SW](https://openairdocs.org/tcds/H1SW)) - Bell Textron Inc. 205A-1 ([TCDS H1SW](https://openairdocs.org/tcds/H1SW)) - Bell Textron Inc. 212 ([TCDS H4SW](https://openairdocs.org/tcds/H4SW)) - Bell Textron Inc. 412 ([TCDS H4SW](https://openairdocs.org/tcds/H4SW)) - Bell Textron Inc. 412EP ([TCDS H4SW](https://openairdocs.org/tcds/H4SW)) ## 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. FAA Form 8110-2 (11/20) SUPERSEDES PREVIOUS EDITION Page 1 of ___ United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SR00277SE Onboard Systems International, LLC 13915 NW 3rd Court Vancouver, WA 98685 * the * Regulations * * See attached Approved Model List (AML) No. SR00277SE for list of approved rotorcraft models and applicable airworthiness regulations. Fabrication of Onboard Systems Model 528-002-00 or 528-002-01 cargo hook in accordance with FAA approved Onboard Systems Master Drawing List No. 155-028-00, dated November 10, 1995, or later FAA approved revision; and installation of these hooks in accordance with FAA approved Onboard Systems Owner’s Manual No. 120-044-00, dated November 10, 1995, or later FAA approved revision. Inspect these cargo hooks in accordance with Section 4 of Onboard Systems Owner’s Manual No. 120-044-00, dated November 10, 1995, or later FAA approved revision. Approval of this change in type design applies to the Bell rotorcraft models listed on AML SR00277SE, dated January 18, 1996, or later FAA approved revision, which were previously equipped with an FAA approved installation of the following cargo hooks: Bell P/N 204-072-924-1 or -7, or Breeze Eastern P/N SP7109-1, -11 or -62. This approval should not be extended to 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. No Rotorcraft Flight Manual change is required for this installation. A copy of this Certificate and AML SR00277SE must be maintained as part of the permanent records of 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 the permission. November 17, 1995 October 7, 2021 January 13, 2003 For Acting Manager, Seattle ACO Branch 2 January 18, 1996 FAA Form 8110-2 (11/20) SUPERSEDES PREVIOUS EDITION Page 2 of ___ United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SR00277SE 2 ### AML_SR00277SE.pdf **ONBOARD SYSTEMS FAA APPROVED MODEL LIST (AML) NO. SR00277SE FOR** **INSTALLATION OF CARGO HOOKS** Original Issue: January 18, 1996 FAA Approved: Manager, Special Certification Branch Seattle Aircraft Certification Office Date: 4/10/95 Page 1 of 1 Item AIRCRAFT MAKE **AIRCRAFT MODEL** **ORIGINAL TYPE CERT. NO.** **CERT. BASIS FOR** **ALTERATION** **FAA DRAWING LIST NO.** **REVISION NO. AND DATE RFM** **SUPPLEMENT NO. &DATE AML** AMENDMEN T DATE 1 Bell 204B 205A 205A-1 H1SW CAR 7, dtd. 8/1/58 & amendments 7-1 through 7-4, Category B 155-028-00 11/10/95 N/A 1/18/96 2 Bell 212 412 412EP H4SW FAR Part 29, dtd. 2/1/65 & Amendments 29-1 and 29-2. See TCDS H4SW for additional information 155-028-00 11/10/95 N/A 1/18/96 FAA Approved:_____________________________ Manager, Special Certification Branch, ANM-190S Seattle Aircraft Certification Office Page 1 of 1 **ONBOARD SYSTEMS FAA APPROVED MODEL LIST (AML) NO. SR00277SE FOR** **INSTALLATION OF CARGO HOOKS** Original Issue: January 18, 1996 FAA Approved: Manager, Special Certification Branch Seattle Aircraft Certification Office Date: 4/10/95 Page 1 of 1 **ONBOARD SYSTEMS FAA APPROVED MODEL LIST (AML) NO. SR00277SE FOR** **INSTALLATION OF CARGO HOOKS** Original Issue: January 18, 1996 FAA Approved: Manager, Special Certification Branch Seattle Aircraft Certification Office Date: 4/10/95 Page 1 of 1 3 0-470 E- 269/E273 CAR 13 700111 Rev 2- 7/13/92 N/A I/R 7/20/92 4 I0-360 E-1CE CAR 13 700110, I/R-2/12/88 N/A I/R 1/26/94 700115 I/R-5/2/89 5 I0-520 E-5CE CAR 13 700110 or I/R-2/12/88 or N/A I/R 7/20/92 700111 Rev 2- 7/13/92 6 E-165, 185 E-246 CAR 13 700113 I/R-4/8/89 N/A I/R 7/20/92 7 E-225 E-267 CAR 13 700113 I/R-4/8/89 N/A I/R 7/20/92 8 TSIO-360 E9CE FAR 33 700110, I/R-2/12/88 N/A I/R 1/26/94 700115 I/R-5/2/89 9 Lycomin g 0-235 E-223 CAR 13 700112 I/R-3/6/88 N/A I/R 7/20/92 10 0-320 E-274 CAR 13 700110 or 700117 Rev 20-4/1/93 N/A 6/22/93 11 0-360 E-286 CAR 13 700110 or 700117 Rev 20-4/1/93 N/A 6/22/93 12 0-540 E-295 CAR 13 700110 or 700117 Rev 20-4/1/93 N/A 6/22/93 13 IO-320 1E12 CAR 13 700110 or 700117 Rev 20-4/1/93 N/A 6/22/93 14 IO-360 1E10 CAR 13 700110 or 700117 Rev 20-4/1/93 N/A 6/22/93 15 IO-540 1E4 CAR 13 700110 or 700117 Rev 20-4/1/93 N/A 6/22/93 16 Continent al TSIO-520 E8CE CAR 13 700110 or 700111 I/R-2/12/88 N/A 10/16/92 Rev 2-7/13/92 17 Lycoming T10-540 E-14EA CAR 13 700110 or 700117 Rev 20-4/1/93 N/A 6/22/93 18 Continent al IO-470 3E1-25 CAR 13 700110 or 700111 I/R-2/12/88 N/A 1/13/93 Rev 2-7/13/92 19 Continent al IO-550 E3SO-1 FAR 33 700110 or 700111 I/R-2/12/88 N/A 4/2/93 Rev 2-7/13/92 Page 1 of 2 **ONBOARD SYSTEMS FAA APPROVED MODEL LIST (AML) NO. SR00277SE FOR** **INSTALLATION OF CARGO HOOKS** Original Issue: January 18, 1996 FAA Approved: Manager, Special Certification Branch Seattle Aircraft Certification Office Date: 4/10/95 Page 1 of 1 20 Continental GO-300 E-298 CAR 13 700115 I/R 5/2/89 N/A 5/19/94 21 Lycoming HIO-360 1E10 CAR 13 700110 or 700117 Rev 2-7/13/92 N/A 1/25/94 Rev 20-4/1/93 FAA Approved:_____________________________ Manager, Special Certification Branch Seattle Aircraft Certification Office Amended:_______________ Page 2 of 2 ## Every issue (2) - October 7, 2021: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/0e/0d/0e0d486c8061613aec85ed72b8dec9ca49316bbafb795391185227bdb1734e67), [AML_SR00277SE.pdf](https://openairdocs.org/files/sha256/34/34/3434bffd2d53a04c6606a47519cadd23f3cfa7f8a7707fbfd7188c8116e1aebd) - January 13, 2003: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/19/00/190002dbb6805d4396e2d4d346e99fc456395ef2cafeb905af30431eaeef5b19) --- 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.