# STC SR09484RC - Type: Supplemental type certificate - Status: Current, Issued - Holder: Heritage Aviation Ltd, United States - Description: Installation of an Electronic Flight Instrument System (EFIS), air data computer, Attitude / Heading Reference System (AHRS), and Global Positioning System (GPS) / Wide Area Augmentation System (WAAS) sensor. - Applied: March 7, 2007 - Status date: July 11, 2007 - Product: Aircraft, Rotorcraft - Certification basis: Part 21, Part 27, Part 29 - Data sheets: [TCDS H3WE](https://openairdocs.org/tcds/H3WE) - Certificate PDF: https://openairdocs.org/files/sha256/54/d2/54d2607197befae3a9044a879d6f13867f886ccc81a8ae908c147973df2aa155 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/FD4BC10AA11C03058625731B006D90F7.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SR09484RC ## ADs that name it (0) None. ## Approved models (3) - MD Helicopter Inc. 369E ([TCDS H3WE](https://openairdocs.org/tcds/H3WE)) - MD Helicopter Inc. 369FF ([TCDS H3WE](https://openairdocs.org/tcds/H3WE)) - MD Helicopter Inc. 500N ([TCDS H3WE](https://openairdocs.org/tcds/H3WE)) ## 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 SR09484RC This certificate issued to Part 27 of the Federal Aviation Regulations. Description of Type Design Change: Installation of an Electronic Flight Instrument System (EFIS), air data computer, Attitude / Heading Reference System (AHRS), and Global Positioning System (GPS) / Wide Area Augmentation System (WAAS) sensor in accordance with Heritage Aviation , LTD Master Drawing List No. A00-14002, Rev. Revision D, dated 07/02/2007. Use of FAA approved Rotorcraft Flight Manual Supplement, Heritage Aviation, LTD Document No. A09–64004, Orig Release, dated July 9, 2007 is required. Instructions for Continued Airworthiness, Heritage Aviation, LTD Document No. A04-74002, Rev. Original Release, dated May 7, 2007, or later revision is required. Installation of STC No. SR09483RC is a prerequisite STC for this installation. Compatibility of this design change with previously approved modifications must be determined by the installer. If the holder (See continuation sheet 3 of 3) Heritage Aviation LTD 2617 Aviation Parkway Grand Prairie, TX 75052 H3WE Make : MD Helicopters Inc. (MDHI) Model : 369E ; 369FF ; 500N Date of application : March 07, 2007 Date of issuance : July 11, 2007 ( Signature) Lance T. Gant, Manager Rotorcraft Certification Office Southwest Region ( Title) FAA Form 8110-2-1(10-69) Page 2 of 3 FAA Form 8110-2-1(10-69) Page 3 of 3 Number SR09484RC Date of Issuance: July 11, 2007 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. Note: The limitations in “Section II – Limitations” section of the FAA approved Rotorcraft Flight Manual Supplement includes limitations restricting pilot in command position to the left hand seat, prohibiting installation of MDHI optional center front seat, restricting operation to VFR/VMC only, restricting the maximum altitude and temperature of EFIS operation to less than those authorized for the basic rotorcraft. Certification Basis: 14 CFR Part 27, through Amendment 27-30, except: 27.562 and 27.863 excluded 27.561 at Amendment 27-24 27.607 at Amendment 27-3 27.785 at Amendment 27-20 27.1325 at Amendment 27-12 29.853(a)(1) at Amendment 29-23 High Intensity Electromagnetic Radiation Fields (H.I.R.F.) pr otection, Special Condition per FAR 21.16 effective January 29, 1997, as published in the Federal Register FR 66, Page No. 4134, dated 12/29/1997. ## Every issue (1) - July 11, 2007: Issued, Current. [certificate](https://openairdocs.org/files/sha256/54/d2/54d2607197befae3a9044a879d6f13867f886ccc81a8ae908c147973df2aa155) --- 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.