# STC SR00431SE - Type: Supplemental type certificate - Status: Current, Reissued - Holder: Kawak Aviation Technologies Inc, United States - Description: Installation of Ag-Air Systems, Inc., hydraulic accessory drive system. (206B BII, BIII) (OH-58A+ RESTRICTED CATEGORY ARROW FALCON) - Applied: September 30, 1996 - Status date: May 31, 2006 - Product: Aircraft, Rotorcraft - Certification basis: Part 21 - Data sheets: [TCDS H22NM](https://openairdocs.org/tcds/H22NM), [TCDS H2SW](https://openairdocs.org/tcds/H2SW), [TCDS R00006DE](https://openairdocs.org/tcds/R00006DE), [TCDS R00002LA](https://openairdocs.org/tcds/R00002LA) - Certificate PDF: https://openairdocs.org/files/sha256/3c/cf/3ccf633fc0121190f8007c352d35a6549acc5ea08ef2f6547fa52308103165ea - Approved model list and other attachments: [AML SR00431SE.pdf](https://openairdocs.org/files/sha256/fd/b4/fdb4766747dc3f66f3dfa0a8d271f4350c1410a1ee5443e300f04abf01bfd60a) - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/B6EE9E4C1CC18E068625718100516412.0001 - DRS record last changed: December 5, 2025 - Page: https://openairdocs.org/stc/SR00431SE ## ADs that name it (0) None. ## Approved models (12) - Arrow Falcon Exporters Inc. OH-58A ([TCDS H22NM](https://openairdocs.org/tcds/H22NM)) - Arrow Falcon Exporters Inc. OH-58A+ ([TCDS H22NM](https://openairdocs.org/tcds/H22NM)) - Arrow Falcon Exporters Inc. OH-58C ([TCDS H22NM](https://openairdocs.org/tcds/H22NM)) - Bell Helicopter Textron Canada Limited 206 ([TCDS H2SW](https://openairdocs.org/tcds/H2SW)) - Bell Helicopter Textron Canada Limited 206A ([TCDS H2SW](https://openairdocs.org/tcds/H2SW)) - Bell Helicopter Textron Canada Limited 206B ([TCDS H2SW](https://openairdocs.org/tcds/H2SW)) - Rotorcraft Development Corporation OH-58A ([TCDS R00006DE](https://openairdocs.org/tcds/R00006DE)) - Rotorcraft Development Corporation OH-58A+ ([TCDS R00006DE](https://openairdocs.org/tcds/R00006DE)) - Rotorcraft Development Corporation OH-58C ([TCDS R00006DE](https://openairdocs.org/tcds/R00006DE)) - San Joaquin Helicopters OH-58A ([TCDS R00002LA](https://openairdocs.org/tcds/R00002LA)) - San Joaquin Helicopters OH-58A+ ([TCDS R00002LA](https://openairdocs.org/tcds/R00002LA)) - San Joaquin Helicopters OH-58C ([TCDS R00002LA](https://openairdocs.org/tcds/R00002LA)) ## 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 SR00431SE This certificate, issued to Kawak Aviation Technologies, Inc. 20690 Carmen Loop, Suite 102 Bend, OR 97702 Part * of the * Regulations. Original Product⎯Type Certificate Number: * See attached Approved Model List (AML) Make: No. SR00431SE for a list of approval helicopter Model: models and applicable airworthiness regulations. Description of the Type Design Change: Installation of Ag-Air Systems, Inc., Hydraulic Accessory Drive System in accordance with Ag-Air Systems, Inc., Master Drawing Lists and Installation Instructions per the attached FAA AML No. SR00431SE, dated March 13, 1998, or later FAA approved revisions. Limitations and Conditions: Approval of this change in type design applies to the above model rotorcraft only. This approval should not be extended to other rotorcraft of this model on which other previously approved modifications are incorporated unless it is determined that the relationship between this change and any of those other previously approved modifications, including changes in type design, will introduce no adverse effect upon the airworthiness of that rotorcraft. The system must be maintained per Ag-Air Report AASI-MM-424, Revision C, dated February 1, 1998, or later FAA approved revision, which provides instructions for continued airworthiness. A copy of this Certificate, the appropriate FAA Approved Rotorcraft Flight Manual Supplement and AML SR00431SE must be maintained as part of the permanent records for the modified rotorcraft. 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. This certificate and the supporting data, which is the basis for approval, shall remain in effect until surrendered, suspended, revoked, or a termination date is otherwise established by the Administrator of the Federal Aviation Administration. Date of application: September 30, 1996 Date reissued: June 28, 2006 Date of issuance: May 2, 1997 Date amended: January 28, 1998, March 13, 1998 Original signed by Mike Pasion (Signature) Acting Manager, Seattle Aircraft Certification Office (Title) FAA FORM 8110-2(10-68) ### AML SR00431SE.pdf FAA APPROVED MODEL LIST NO. SR00431SE FOR INSTALLATION OF KAWAK AVIATION TECHNOLOGIES, INC. HYDRAULIC ACCESSORY DRIVE SYSTEM Issue Date: March 12, 1998 1 of 1 5ITEM HELICOPTER MAKE **HELICOPTER MODEL TYPE** **CERTIFICATE NUMBER** **CERTIFICATION BASIS FOR** **ALTERATION** **FAA DRAWING LIST AND** **INSTALLATION** **INSTRUCTIONS** **RFM SUPPLEMENT** **NUMBER AND DATE AML** **REVISION DATE** 1. Arrow Falcon Exporters OH-58A OH-58A+ OH-58C H22NM FAR 21.25(a)(2) 34430-401-MDL Rev E Dated 7/23/08 KATI-IM-424 Rev F Dated 1/29/08 KATI-FM-424 Revision D Dated 1/28/08 January 12, 2009 2. San Joaquin Helicopters OH-58A OH-58A+ OH-58C R00002LA FAR 21.25(a)(2) 34430-401-MDL Rev E Dated 7/23/08 KATI-IM-424 Rev F Dated 1/29/08 KATI-FM-424 Revision D Dated 1/28/08 January 12, 2009 3. Bell Helicopters 206, 206A, 206B, BII, BIII H2SW CAR 6 34600-401-MDL Rev D Dated 7/23/08 KATI-IM-424 Rev F Dated 1/29/08 KATI-FM-424 Revision D Dated 1/28/08 January 12, 2009 4. Garlick Helicopters OH-58A OH-58A+ OH-58C R00006DE FAR 21.25(a)(2) 34430-401-MDL Rev E Dated 7/23/08 KATI-IM-424 Rev F Dated 1/29/08 KATI-FM-424 Revision D Dated 1/28/08 January 12, 2009 Approved _______________________________ Acting Manager Seattle Aircraft Certification Office Amended: 04/18/95; 09/26/95; 11/12/97; 01/18/01; 6/28/06, 1/12/09 Original Signed by Alvin Habbestad ## Every issue (1) - May 31, 2006: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/3c/cf/3ccf633fc0121190f8007c352d35a6549acc5ea08ef2f6547fa52308103165ea), [AML SR00431SE.pdf](https://openairdocs.org/files/sha256/fd/b4/fdb4766747dc3f66f3dfa0a8d271f4350c1410a1ee5443e300f04abf01bfd60a) --- 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.