# STC SR00286BO - Type: Supplemental type certificate - Status: Current, Amended - Holder: Simplex Manufacturing Company, United States - Description: Fabrication of the Helipod III agricultural spray system - Applied: February 16, 2007 - Status date: February 28, 2013 - Product: Aircraft, Rotorcraft - Certification basis: Part 21, Part 27 - Data sheets: [TCDS H11NM](https://openairdocs.org/tcds/H11NM) - Certificate PDF: https://openairdocs.org/files/sha256/8e/a8/8ea82e1c790c3f0940624087d6449dcd1f94e1ba553cff5dfbbc187ac656d99a - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/751DCD4971BCB15486257B21004DE3D0.0001 - DRS record last changed: December 5, 2025 - Page: https://openairdocs.org/stc/SR00286BO ## ADs that name it (1) - [AD 2020-05-11](https://openairdocs.org/ad/2020-05-11): Agricultural Spray System · Robinson Helicopter R44 and R44 II with STC SR00286BO. Effective Apr 16, 2020. Named in the applicability ## Approved models (2) - Robinson Helicopter Company R44 ([TCDS H11NM](https://openairdocs.org/tcds/H11NM)) - Robinson Helicopter Company R44 II ([TCDS H11NM](https://openairdocs.org/tcds/H11NM)) ## 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 SR00286BO This certificate, issued to Simplex Manufacturing Company 13340 NE Whitaker Way Portland, OR 97230 Part 27 of the Federal Aviation Regulations. Original ProductType Certificate Number: H11NM Make: Robinson Helicopter Company Model: R44, R44 II Description of the Type Design Change: Fabrication of the Helipod III agricultural spray system in accordance with Simplex Master Drawing List HPR44III25201MDL, Revision D, dated January 9, 2013, or later FAA-approved revision; and Installation in accordance with Simplex Installation Manual PM001-HPR44III-25-008, Revision 4, dated December 30, 2012, or later FAA-approved revision. This modification must be maintained in accordance with Simplex Instructions for Continued Airworthiness (ICA) PM011-HPR44III-25-007, Revision 7, dated February 4, 2013, or later FAA-accepted revision. Limitations and Conditions: Limited to Restricted Category and Day VFR with agricultural spray system installed. Approval of this change in type design applies to the helicopters listed above only. This approval should not be extended to other helicopters of these models on which other previously approved modifications are incorporated unless it is determined by the installer that the relationship between this change and any of the other previously approved modifications, including changes in type design, will introduce no adverse effect upon the airworthiness of that helicopter. The modified helicopter must be operated in accordance with the FAA-approved Simplex Rotorcraft Flight Manual Supplement (RFMS) for Robinson R44 Series with Helipod III Spray System P/N HRP44III25201-402, Revision 2, signed October 30, 2009, or later FAA-approved revision. A copy of this Certificate, the FAA-approved RFMS, and the ICA, must be maintained as part of the permanent records of the modified helicopter. Date of application: February 16, 2007 Date reissued: May 14, 2009; July 1, 2009 Date of issuance: May 1, 2009 Date amended: 11/18/09; 2/28/13 **FAA FORM 8110-2-1 (10-69) PAGE 1 OF 3 PAGES** (Signature) Acting Manager, Seattle Aircraft Certification Office (Title) Number SR00286BO Simplex Manufacturing Company Issued: May 1, 2009 Reissued: May 14, 2009; July 1, 2009 Amended: 11/18/09; 2/28/13 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. Certification Basis: Robinson Helicopter Company TCDS H11NM is modified for this STC as follows: Model R44 (Restricted Category Rotorcraft with spray system installed) Airspeed Limits V ne with spray system installed is 100 KIAS Airspeed limit to jettison load is 20 KIAS Center of Gravity (C.G.) Range Longitudinal C.G. Range Lateral C.G. Range Gross Weight (lb.) Forward (in.) Aft (in.) Long. C. G. (in.) Left (in.) Right (in.) 1550 92.1 97.3 92.0 -3.0 +3.0 2000 92.1 97.3 100.0 -3.0 +3.0 2200 92.1 97.3 102.5 -1.5 +1.5 2400 92.1 97.3 Note: Straight line variation between points shown. Model R44 II (Restricted Category Rotorcraft with spray system installed) Airspeed Limits V ne with spray system installed is 100 KIAS Airspeed limit to jettison load is 20 KIAS Center of Gravity (C.G.) Range Longitudinal C.G. Range Lateral C.G. Range Gross Weight (lb.) Forward (in.) Aft (in.) Long. C. G. (in.) Left (in.) Right (in.) 1600 92.1 97.3 92.0 -3.0 +3.0 2100 92.1 97.3 100.0 -3.0 +3.0 2300 92.1 97.3 102.5 -1.5 +1.5 2500 92.1 97.3 Note: Straight line variation between points shown - END - **FAA FORM 8110-2-1 (10-69) PAGE 3 OF 3 PAGES** ## Every issue (4) - February 28, 2013: Amended, Current. [certificate](https://openairdocs.org/files/sha256/8e/a8/8ea82e1c790c3f0940624087d6449dcd1f94e1ba553cff5dfbbc187ac656d99a) - November 18, 2009: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/33/16/3316b1cc7a4379ce72c4e9226a0b99db89e9cdde6c83f7de1dca309d0e96e1b8) - July 1, 2009: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/74/9b/749bbfcfaf1cd9576924e4e278b95bb47fa950a90ad082dc4b26f6ce82a81dc9) - May 14, 2009: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/3c/4f/3c4fed00b1eee0dc7e52c3d1394d63f51905dd80b9a40df655cc037faa217362) --- 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.