# STC SR02531LA - Type: Supplemental type certificate - Status: Current, Issued - Holder: Diamond J Inc, United States - Description: Installation of any one, or a combination of the eight Diamond J Inc. propulsion system indicators - Applied: December 3, 2013 - Status date: March 23, 2015 - Product: Aircraft, Rotorcraft - Certification basis: Part 21, Part 27 - Data sheets: [TCDS H2SW](https://openairdocs.org/tcds/H2SW) - Certificate PDF: https://openairdocs.org/files/sha256/14/c1/14c16f8151d5f4b49c30bf7edf06e3317c3e4b6d504a1ea66afcd1c7c387e41a - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/9CBBC67F098BF4FF86257E230056B892.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SR02531LA ## ADs that name it (0) None. ## Approved models (1) - Bell Helicopter Textron Canada Limited 407 ([TCDS H2SW](https://openairdocs.org/tcds/H2SW)) ## 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. This Certificate issued to Diamond J Inc. 2020 West Harry Wichita, KS 67213 Part 27 of the Federal Aviation Regulations. H2SW Bell Helicopter Textron Canada Limited Description of Type Design Change: Installation of any one, or a combination of the eight Diamond J Inc . propulsion system indicators. A copy of the Rotorcraft Flight Manual Supplement (RFMS) corresponding to each installed indicator must be supplied with this S upplemental Type Certificate (STC). These instruments must be installed in accordance with Diamond J Inc . top drawing 24070, dated November 10, 2014 or later FAA approved revisions. A copy of the Instructions for Continued Airworthiness (ICA) must also be supplied with this STC. NOTE: This STC is not an approval for a Night Vision Instrument System or Night Vision Goggle compatibility. *See continuation page 3 for indicator part numbers, Rotorcraft Flight Manual Supplements and Instructions for Continued Airworthiness. Limitations and Conditions: This 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 that aircraft . The approva l of this modification applies to t he above-noted airplane models only. If the holder agrees to permit another person to use this certificate to alter a product, the holder shall give the other person written evidence of that permission. Date of application : December 3, 2013 Date of issuance : March 23, 2015 (Signature) Manager, Propulsion Branch Los Angeles Aircraft Certification Office (Title) United States Of America Department of Transportation - Federal Aviation Administration Supplemental Type Certificate Number SR02531LA (Continuation Sheet) Description of Type Design Change (continued) Indicator Part Number RFMS ICA Gas Producer Tachometer Percent RPM 64001-142 64002-142 64003-142 089-64000-142, Rev IR, dated February 25, 2015 or later FAA approved revisions. 087-64000-142, Rev IR, dated November 17, 2014 or later FAA accepted revisions. Percent Torque 65101-142 65102-142 65103-142 089-65100-142, Rev IR, dated February 25, 2015 or later FAA approved revisions. 087-65100-142, Rev IR, dated November 17, 2014 or later FAA accepted revisions. Measured Gas Temperature 61001-142 61002-142 61003-142 089-61000-142, Rev IR, dated February 25, 2015 or later FAA approved revisions. 087-61000-142, Rev IR, dated November 17, 2014 or later FAA accepted revisions. Engine Oil Pressure and Temperature 65021-142 65022-142 65023-142 089-65020-142, Rev IR, dated February 25, 2015 or later FAA approved revisions. 087-65020-142, Rev IR, dated November 17, 2014 or later FAA accepted revisions. Dual Percent Rotor and Engine Power Turbine Tachometer 64201-142 64202-142 64203-142 089-64200-142, Rev IR, dated February 25, 2015 or later FAA approved revisions. 087-64200-142, Rev IR, dated November 17, 2014 or later FAA accepted revisions. Fuel Quantity 62501-142 62502-142 62503-142 089-62500-142, Rev IR, dated February 25, 2015 or later FAA approved revisions. 087-62500-142, Rev IR, dated November 17, 2014 or later FAA accepted revisions. Fuel Pressure and Ammeter 63131-142 63132-142 63133-142 089-63130-142, Rev IR, dated February 25, 2015 or later FAA approved revisions. 087-63130-142, Rev IR, dated November 17, 2014 or later FAA accepted revisions. Transmission Oil Pressure and Temperature 65031-142 65032-142 65033-142 089-65030-142, Rev IR, dated February 25, 2015 or later FAA approved revisions. 087-65030-142, Rev IR, dated November 17, 2014 or later FAA accepted revisions. -END- ## Every issue (1) - March 23, 2015: Issued, Current. [certificate](https://openairdocs.org/files/sha256/14/c1/14c16f8151d5f4b49c30bf7edf06e3317c3e4b6d504a1ea66afcd1c7c387e41a) --- 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.