# STC SR01135NY-D - Type: Supplemental type certificate - Status: Current, Reissued - Holder: Sikorsky Aircraft Corporation, United States - Holder's repair stations: [RW1R467K](https://openairdocs.org/faa-repair-station/RW1R467K/sikorsky-aircraft-corporation.md) Dallas, TX (OpenAirDocs) - Description: Installation of a Chadwick-Helmuth Vibration Monitoring System - Applied: October 15, 2002 - Status date: December 17, 2014 - Product: Aircraft, Rotorcraft - Certification basis: Part 21 - Data sheets: [TCDS H1NE](https://openairdocs.org/tcds/H1NE) - Certificate PDF: https://openairdocs.org/files/sha256/55/12/55128ccd46cc69f9daaa93a90c57c8efd913a24ef4af2e42305a5215046e84d2 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/8B519EEF692C4E6B86257DB7006D8530.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SR01135NY-D ## ADs that name it (0) None. ## Approved models (1) - Sikorsky Aircraft Corporation S-76C ([TCDS H1NE](https://openairdocs.org/tcds/H1NE)) ## PMA parts approved under this STC (OpenAirDocs) (14) Parts manufacturer approvals whose approval basis names this STC, from the PMA records in DRS. In force first, newest first. - [15175](https://drs.faa.gov/browse/excelExternalWindow/F3AFA1EF688FDEE0852570450058C7B6.0001): VXP Onboard Monitor. Keystone Helicopter Corporation · Jan 4, 2004 - [13227](https://drs.faa.gov/browse/excelExternalWindow/DBCC38BF837E1C1B852570450058C7B2.0001): Bracket, Velocimeter, H.B.,S-76C. Keystone Helicopter Corporation · Jan 4, 2004 - [14316](https://drs.faa.gov/browse/excelExternalWindow/CB78E4A6968E7A43852570450058C7B4.0001): Cable Assembly, Pigtail, High Temp Accelerometer. Keystone Helicopter Corporation · Jan 4, 2004 - [02076-40T100](https://drs.faa.gov/browse/excelExternalWindow/C2E0A2BE2BCC80AF852570450058C7AC.0001): Cannon Plug Doubler. Keystone Helicopter Corporation · Jan 4, 2004 - [11134](https://drs.faa.gov/browse/excelExternalWindow/C29373414729C1FE852570450058C7AD.0001): Accelerometer. Keystone Helicopter Corporation · Jan 4, 2004 - [02076-10T051](https://drs.faa.gov/browse/excelExternalWindow/BAEFA7362B234571852570450058C7A9.0001): Chadwick-Helmuth VXP Bladetrack Pigtail. Keystone Helicopter Corporation · Jan 4, 2004 - [02076-10T101](https://drs.faa.gov/browse/excelExternalWindow/AB9DC424B3FBDB64852570450058C7AB.0001): Spacer. Keystone Helicopter Corporation · Jan 4, 2004 - [15649](https://drs.faa.gov/browse/excelExternalWindow/A661F4A9FE21984285257045005BE85E.0001): Plate Doubler number 15 Panel Jack. Keystone Helicopter Corporation · Jan 4, 2004 - [14320](https://drs.faa.gov/browse/excelExternalWindow/A0BB14FC1AB1CB77852570450058C7B5.0001): Cable Assembly, Pigtail, Velocimeter, 200degC, Airframe. Keystone Helicopter Corporation · Jan 4, 2004 - [02076-10T100](https://drs.faa.gov/browse/excelExternalWindow/9B7FF4488053EF31852570450058C7AA.0001): Connector Mount Plate. Keystone Helicopter Corporation · Jan 4, 2004 - [13243](https://drs.faa.gov/browse/excelExternalWindow/5D34B81AEF694109852570450058C7B3.0001): Bracket, Velocimeter Hanger Bearing number 2 and number 3, S76. Keystone Helicopter Corporation · Jan 4, 2004 - [8866](https://drs.faa.gov/browse/excelExternalWindow/4DCBC815582DF1C285257045006220AA.0001): Velocimeter, EMI. Keystone Helicopter Corporation · Jan 4, 2004 - [12906](https://drs.faa.gov/browse/excelExternalWindow/409C9C5159A33C01852570450058C7B1.0001): Bracket, Velo, S-76 IGB. Keystone Helicopter Corporation · Jan 4, 2004 - [02076-10T050](https://drs.faa.gov/browse/excelExternalWindow/15AFA4B63058A27F852570450058C7A8.0001): Chadwick-Helmuth VXP Bladetrack Harness. Keystone Helicopter Corporation · Jan 4, 2004 ## 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 (5/14) Page 1 of Part of the Signature Title SR01135NY-D Sikorsky Aircraft Corporation 6900 Main Street Stratford, CT 06615 Federal Aviation Regulations. 1. Installation of a Chadwick-Helmuth Vibration Monitoring System in accordance with Keytech Installation drawing List IDL00571 Rev. – dated 1/13/03. 1. This approval is valid for Sikorsky S-76C model helicopters serial numbers 760511 and subsequent. 2. The installer must determine whether this design change is compatible with previously approved modifications. 3. 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. Gaetano Sciortino Manager New York Aircraft Certification Office Sikorsky S-76C October 1, 2011, December 17, 2014 October 15, 2002 January 27, 2003 H1NE 2 FAA Form 8110-2 (5/14) Page 2 of To (Name and address of transferee) From (Name and address of grantor) 2 SR01135NY-D ## Every issue (2) - December 17, 2014: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/55/12/55128ccd46cc69f9daaa93a90c57c8efd913a24ef4af2e42305a5215046e84d2) - October 1, 2011: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/4f/e7/4fe7aa891a74dd15b85e09888784c3dd927068216d2a93a198a2fc61c46b3fd1) --- 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.