# STC SR00350BO - Type: Supplemental type certificate - Status: Current, Reissued - Holder: Precision Heli-Support, LLC, United States - Description: Installation of TSO articles EFD1000H PFD, EFD1000H MFD and/or EFD500H MFD - Applied: December 6, 2011 - Status date: January 8, 2018 - Product: Aircraft, Rotorcraft - Certification basis: Part 21, Part 27 - Data sheets: [TCDS H3WE](https://openairdocs.org/tcds/H3WE) - Certificate PDF: https://openairdocs.org/files/sha256/66/07/660766c95f724ab354d4fb3412317edd2b7173a06b0e5fbf7e4da16009552392 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/892116F8458ACA498625821F0049BB50.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SR00350BO ## ADs that name it (0) None. ## Approved models (4) - MD Helicopters Inc. 369E ([TCDS H3WE](https://openairdocs.org/tcds/H3WE)) - MD Helicopters Inc. 369F ([TCDS H3WE](https://openairdocs.org/tcds/H3WE)) - MD Helicopters Inc. 369FF ([TCDS H3WE](https://openairdocs.org/tcds/H3WE)) - MD Helicopters 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. United States Of America Department of Transportation - Federal Aviation Administration Supplemental Type Certificate Number SR00350BO Precision Heli-Support, LLC 4702 E. Fighter Aces Dr., Mesa, Arizona 85215 Part 27 of the Federal Aviation Regulations. Original Product – Type Certificate Number: H3WE Make: MD Helicopters Inc. (MDHI) Model: 369E, 369F, 369FF, 500N Installation of TSO articles EFD1000H PFD, EFD1000H MFD and/or EFD500H MFD Manufactured by Aspen Avionics to replace traditional mechanical primary flight instruments in whole or in part installed per Master Data List PHP-MDL-368, Revision A, dated December 8, 2014, or later FAA approved revision. 1. Operation must be in accordance with Phoenix Heliparts Rotorcraft Flight Manual Supplement (RFMS) Document Number PHP-FMS-368, Revision D, or later FAA approved revision. The RFMs must be carried in the aircraft during all flights. (Continued on Page 3 of 3) December 6, 2011 May 11, 2016, January 8, 2018 Date of issuance: December 19, 2014 Date amended: (Signature) Manager, Systems and Equipment Section Los Angeles Aircraft Certification Office Branch (Title) 2. Maintenance must be in accordance with Phoenix Heliparts Instructions for Continued Airworthiness (ICA), Document Number PHP-ICA-368, Revision C, dated December 2, 2014, or later FAA accepted revision. 3. Compatibility of this design with previously approved modifications must be determined by the installer. 4. This STC is not approved to operate in conjunction with an autopilot device. 5. Software may not be loaded in flight. 6. 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 rotorcraft. The installer must determine whether this design change is compatible with previously approved modifications. The approval of this modification applies to the above-noted aircraft model series only. 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. The ICA must be made available to the operator at the time of installation. Certification Basis: Based on 14 CFR § 21.115 and § 21.101, and the FA policy for design changes that are identified as not significant in FAA Order 8110.48, the certification basis for the MD Helicopters Inc. (MDHI) 369E, 369F, 369FF, 500N aircraft as follow: a) The type certification basis for parts not changed or not affected by the change is shown on TCDS H3WE. b) The modification certification basis for parts changed or affected by the change since the reference application date, December 6, 2011, is based upon part 27 as amended by Amendment 27-46 as follows: Regulations at the latest amendment 27-0 through 27-46 27.251 No Amdt, 27-301(a) No Amdt, 27-303 No Amdt, 27-305(a) No Amdt, 27-307(a) Amdt 27-26, 27-321 (a)(b)(1) Amdt 27-11, 27-561(a)(b)(3)(c) Amdt 27-32, 27.601(a)(b) No Amdt, 27.603(a)(b)(c) Admt 27-16, 27-609(a)(1)(2)(3) No Amdt, 27-610(d) Amdt 27-46,27-613(d) Amdt 27-26, 27-625 Amdt 27-35, 27-771(a)(c) No Amdt, 27.773(a)(1)(b) No Amdt, 27.777(a)(b) No Amdt, 27.853(a) Amdt 27-37, 27.1301(a)(b)(c)(d) No Admt, 27.1303(a)(b)(c) No Amdt, 27.1307 No Admt, 27.1309(a)(c) Amdt 27- 46, 27.1316(b) Amdt 27-46, 27.1317(b)(c) Amdt 27-42, 27.1321(a)(b)(c) Amdt 27-13, 27.1322(b) Amdt 27-11, 27.1323(a)(b) Amdt 27-13, 27.1327(a) Amdt 27-13, 27.1351(a)(b)(1)(i) Amdt 27-13, 27.1357(a) Amdt 27-13, 27.1367(a)(b)(c) No Amdt, 27.1381(a)(b)(1)(2) No Amdt, 27.1501(a)(b) Amdt 27-14, 27.1525 Amdt 27-21, 27.1529 Amdt 27-18, 27.1541 No Amdt, 27.1543(b) No Amdt, 27.1545 Amdt 27- 16, 27.1547 Amdt 27-13, 27.1559 Amdt 27-21, 27.1581(a)(1)(2)(b)(d) Amdt 27-14, 27.1583(e) Amdt 27-16, 27.1585(a) Amdt 27-21 Regulations at an intermediate amendment 27.1365(a)(b)(c) No Amdt. Regulations at the amendment level in TCDS H3WE. None -----------END----------- ## Every issue (3) - January 8, 2018: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/66/07/660766c95f724ab354d4fb3412317edd2b7173a06b0e5fbf7e4da16009552392) - May 11, 2016: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/ff/c8/ffc8398a20268c51fb12b401599ec6f1d30c38d21c842a910f3cda3cc09200fd) - December 19, 2014: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/1f/df/1fdfe8a9178e82eea64d7918b70be0c33043d51d412131dbc5e1da00a750aa7b) --- 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.