# STC SR02224SE - Type: Supplemental type certificate - Status: Current, Reissued - Holder: Helicopter Transport Services LLC, United States - Description: Installation of the Helicopter Transport Services, LLC (HTS) lightweight firefighting refill pump, Part Number HTS2-PUMP - Applied: February 5, 2012 - Status date: January 9, 2014 - Product: Aircraft, Rotorcraft - Certification basis: Part 21 - Data sheets: [TCDS H14NM](https://openairdocs.org/tcds/H14NM), [TCDS H16NM](https://openairdocs.org/tcds/H16NM) - Certificate PDF: https://openairdocs.org/files/sha256/d0/fb/d0fb83292081159354a96772dafce8d42bbd1cf10d193e61141e87bd1faad3f2 - Approved model list and other attachments: [SR02224SE_AML.pdf](https://openairdocs.org/files/sha256/38/1f/381ff87d5cf73cde01a694015b6224b9a40811e0ab529b62063192f7580a816d) - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/D9F9D56EF1ED73DF86257C5C006DD1E7.0001 - DRS record last changed: December 5, 2025 - Page: https://openairdocs.org/stc/SR02224SE ## ADs that name it (0) None. ## Approved models (2) - Helicopter Transport Services Inc. CH-54B ([TCDS H14NM](https://openairdocs.org/tcds/H14NM)) - Helicopter Transport Services LLC CH-54A ([TCDS H16NM](https://openairdocs.org/tcds/H16NM)) ## 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 SR02224SE This certificate issued to Helicopter Transport Services, LLC 14497 Keil Road NE Aurora, OR 97002 Part * of the * Regulations. Original ProductType Certificate Number: * See attached Federal Aviation Administration (FAA) Make: Approved Model List (AML) SR02224SE for approved Model: aircraft models and applicable airworthiness regulations Description of the Type Design Change: Installation of Helicopter Transport Services, LLC (HTS) lightweight firefighting refill pump, Part Number HTS2-PUMP, in accordance with Installation Instructions Document INI-HTS2-PUMP, Revision A, dated March 2, 2012, or later FAA-approved revision. Manufactured in accordance with Master Document List MDL-HTS2-PUMP, Revision C, dated March 27, 2012, or later FAA-approved revision. This modification must be inspected and maintained in accordance with the FAA-accepted HTS Instructions for Continued Airworthiness (ICA) Document ICA-HTS2-PUMP, Revision IR, dated January 31, 2012, or later FAA-accepted revision. Limitations and Conditions: Approval of this change in type design applies to the make and model helicopter listed on the AML equipped with Simplex Fire Fighting System Model 314 Supplemental Type Certificate (STC) SR00931SE installed. This approval should not be extended to other rotorcraft of this make and model on which other modifications are incorporated unless it is determined by the installer that the relationship between this change and any of those other previously approved modifications, including changes in type design, will introduce no adverse effects upon the airworthiness of that rotorcraft. Models of rotorcraft listed on the AML modified in accordance with this STC must be operated in accordance with a copy of FAA-approved Rotorcraft Flight Manual Supplement (RFMS) RFMS-HTS2-PUMP, Revision I/R, FAA-approved April 2, 2012, or later FAA-approved revision. A copy of this certificate, FAA-approved RFMS, and FAA-accepted ICA must be maintained as part of the permanent record 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. Date of application: February 5, 2012 Date reissued: January 9, 2014 Date of issuance: May 16, 2012 Date amended: (Signature) Manager, Seattle Aircraft Certification Office (Title) ### SR02224SE_AML.pdf FEDERAL AVIATION ADMINISTRATION (FAA) APPROVED MODEL LIST (AML) SR02224SE FOR INSTALLATION OF HELICOPTER TRANSPORT SERVICES (HTS) MODEL HTS2-PUMP ISSUE DATE: May 16, 2012 Page 1 of 1 **ITEM ROTORCRAFT MAKE** **ROTORCRAFT MODEL** **ORIGINAL TC NUMBER** **CERTIFICATION** **BASIS FOR** **ALTERATION** **FAA APPROVED ROTORCRAFT** **FLIGHT MANUAL SUPPLEMENT** **FAA APPROVED MASTER** DRAWING LIST AML REV DATE Number Revision* Drawing Revision* 1. Helicopter Transport Services CH-54A H16NM FAR 21.25(a)(2) and (b) effective February 1, 1965, including amendments 21-1 through 21-42 and ASW-110 Memorandum dated September 8, 1993 RFMS-HTS2-PUMP Revision IR, dated April 2, 2012 MDL-HTS2-PUMP Revision C, dated March 27, 2012 1/9/14 2. Helicopter Transport Services CH-54B H14NM FAR 21.25(a)(2) effective February 1, 1965, including amendments 21-1 through 21-42 RFMS-HTS2-PUMP Revision IR, dated April 2, 2012 MDL-HTS2-PUMP Revision C, dated March 27, 2012 1/9/14 * Or later FAA Approved Revision FAA Approved: Manager, Seattle Aircraft Certification Office AMENDED: REISSUED: January 9, 2014 ## Every issue (2) - January 9, 2014: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/d0/fb/d0fb83292081159354a96772dafce8d42bbd1cf10d193e61141e87bd1faad3f2), [SR02224SE_AML.pdf](https://openairdocs.org/files/sha256/38/1f/381ff87d5cf73cde01a694015b6224b9a40811e0ab529b62063192f7580a816d) - May 16, 2012: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/91/c6/91c685bee0548654e360bde52121664f7f65e6c79095d941c8337133a6bdd114), [AML SR02224SE .pdf](https://openairdocs.org/files/sha256/8a/b1/8ab1a6d1e69516e7a001281aa12dce3037b4de1917f91909ea86a3b826829a27) --- 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.