# STC SR09536RC-D - Type: Supplemental type certificate - Status: Current, Reissued - Holder: Bell Helicopter Textron Inc., United States - Description: Installation of a Health and Usage Monitoring System (HUMS) in accordance with the Master Drawing List (AA-09033 Revision D, dated October 26, 2010 or later FAA approved revision). Rotorcraft Flight Manual Supplement (Report No. AA-09040 Revision 0, dated November 9, 2010, or later FAA approved revision) is required. Instructions for Continued Airworthiness (Report No. AA-09041 Revision B, dated November 9, 2010, or later FAA accepted revision) is required. - Applied: July 13, 2009 - Status date: February 9, 2011 - Product: Aircraft, Rotorcraft - Certification basis: Part 21, Part 27 - Data sheets: [TCDS R00003RD](https://openairdocs.org/tcds/R00003RD) - Certificate PDF: https://openairdocs.org/files/sha256/ed/6b/ed6b65d742a0a5046076c1002eaa649ac08a8771752d2c0afcc126f09015b5c3 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/98779A49FABBB5F4862578BF00426C78.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SR09536RC-D ## ADs that name it (0) None. ## Approved models (1) - Bell Helicopter Textron Canada Limited 429 ([TCDS R00003RD](https://openairdocs.org/tcds/R00003RD)) ## 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. Number SR09536RC-D This certificate issued to Part 27 of the Federal Aviation Regulations. Installation of a Health and Usage Monitoring System (HUMS) in accordance with the Master Drawing List (AA-09033 Revision D, dated October 26, 2010 or later FAA approved revision). Rotorcraft Flight Manual Supplement (Report No. AA-09040 Revision 0, dated November 9, 2010, or later FAA approved revision) is required. Instructions for Continued Airworthiness (Report No. AA-09041 Revision B, dated November 9, 2010, or later FAA accepted revision) is required. Bell Helicopter Textron, Inc. 441 Industrial Park Road Piney Flats, TN 37686 R00003RD Make: Bell Helicopter Textron Canada Model: 429 Date reissued: February 9, 2011 ( Signature) James A. Richmond, Acting Manager Rotorcraft Certification Office, Southwest Region ( Title) Date of application: July 13, 2009 Date of issuance: December 03, 2010 FAA Form 8110-2-1(10-69) Page 2 of 3 FAA Form 8110-2-1(10-69) Page 3 of 3 Number SR09536RC-D Date of Issuance: December 03, 2010 Date of Reissuance: February 9, 2011 The HUMS kit is installed on a non-required/non-hazardous basis. The utilization of the HUMS kit for maintenance credit is limited to: 1) Main Rotor Track and Balance; 2) Tail Rotor Dynamic Balance; and 3) Frahm Vibration Absorber Tuning. HUMS data may not be used for usage health or condition-based maintenance credits, such as extending Bell Helicopter’s published component lives or maintenance/inspection intervals. The installer must determine whether this design change is compatible with previously approved modifications. 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. Certification Basis: Subpart C 27.251, 27.301, 27.303, 27.305(a), 27.307(a)[26], 27.337(a)[26], 27.561(b)[32], 27.571(a)(b)[26] Subpart D 27.601(a), 27.603(b)[16], 27.605(a)[16], 27.609(a), 27.610[37], 27.611(a)(b), 27.613(c)(d)[26], 27.619, 27.625(a)[35], 27.771(a) Subpart E 27.1141(e)[33] Subpart F 27.1301, 27.1305(k)[37], 27.1307, 27.1309(a)(b)(d)[21], 27.1322(c)(d)[11], 27.1327[13], 27.1351(a)(b)[13], 27.1357(a)(c)[13], 27.1365[35], 27.1367 Subpart G 27.1501[14], 27.1529[18], 27.1581[14], 27.1585(a)[21] Appendix A A27.1, A27.2, A27.3[18], A27.4[24] ## Every issue (1) - February 9, 2011: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/ed/6b/ed6b65d742a0a5046076c1002eaa649ac08a8771752d2c0afcc126f09015b5c3) --- 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.