# STC SR02684SE - Type: Supplemental type certificate - Status: Current, Issued - Holder: Helicopter Transport Services LLC, United States - Description: Installation of Helicopter Transport Services, LLC (HTS) lightweight firefighting refill pump - Applied: May 19, 2019 - Status date: March 27, 2020 - Product: Aircraft, Rotorcraft - Certification basis: Part 21, Part 29 - Data sheets: [TCDS H6EA](https://openairdocs.org/tcds/H6EA), [TCDS H14NM](https://openairdocs.org/tcds/H14NM), [TCDS H16NM](https://openairdocs.org/tcds/H16NM), [TCDS R00009SE](https://openairdocs.org/tcds/R00009SE), [TCDS H18NM](https://openairdocs.org/tcds/H18NM) - Certificate PDF: https://openairdocs.org/files/sha256/03/30/033025809ef4e078cd7aebefe8ee2da5cf8000cd4055a2221aead4b052a6cc9d - Approved model list and other attachments: [SR02684SE_AML.pdf](https://openairdocs.org/files/sha256/63/77/6377dffd401208e2300d9ff51059fae6ab36c6b79fbca9f7f7710c46aaf77afe) - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/7F467C97B28929E5862585DE00359997.0001 - DRS record last changed: December 5, 2025 - Page: https://openairdocs.org/stc/SR02684SE ## ADs that name it (0) None. ## Approved models (6) - Erickson Incorporated DBA Erickson Air-Crane S-64E ([TCDS H6EA](https://openairdocs.org/tcds/H6EA)) - Erickson Incorporated DBA Erickson Air-Crane S-64F ([TCDS H6EA](https://openairdocs.org/tcds/H6EA)) - Helicopter Transport Services LLC CH-54A ([TCDS H16NM](https://openairdocs.org/tcds/H16NM)) - Helicopter Transport Services LLC CH-54A ([TCDS R00009SE](https://openairdocs.org/tcds/R00009SE)) - Helicopter Transport Services LLC CH-54B ([TCDS H14NM](https://openairdocs.org/tcds/H14NM)) - Siller Helicopters LLC CH-54A ([TCDS H18NM](https://openairdocs.org/tcds/H18NM)) ## 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 SR02684SE 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) SR02684SE 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-1, in accordance with Installation Instructions Document INI-HTS2-PUMP-1, Revision A, dated August 25, 2019, or later FAA-approved revision. Maintained in accordance with HTS Instructions for Continued Airworthiness (ICA) Document ICA-HTS2- PUMP-1-1, Revision A, dated October 16, 2019, or later FAA-accepted revision. Operated in accordance with the Rotorcraft Flight Manual Supplement (RFMS) as listed on the AML. Limitations and Conditions: Approval of this change in type design applies to the make and model helicopter listed on the AML equipped with Erickson Fire Fighting System Supplemental Type Certificate (STC) SR00004SE 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 ty pe design, will introduce no adverse effects upon the airworthiness of that rotorcraft. 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: May 19, 2019 Date reissued: Date of issuance: March 27, 2020 Date amended: (Signature) For Acting Manager, Seattle Aircraft Certification Office (Title) Transfer the ownership of Supplemental Type Certificate Number to (Name of Transferee) (Address of Transferee) (Number and Street) (City, State, and ZIP Code) from (Name of Grantor) (Print or Type) (Address of Grantor) (Number and Street) (City, State, and ZIP Code) Signature of Grantor (In Ink): U.S. GPO: 1987-763-289 ### SR02684SE_AML.pdf **FEDERAL AVIATION ADMINISTRATION (FAA) APPROVED MODEL LIST (AML) SR02684SE FOR** STC DESCRIPTION ISSUE DATE: March 27, 2020 Page 1 of 1 **ITEM ROTORCRAFT MAKE** **ROTORCRAFT MODEL** **ORIGINAL TC NUMBER** **CERTIFICATION** **BASIS FOR** **ALTERATION** **FAA APPROVED** **AIRCRAFT /** **ROTORCRAFT FLIGHT** **MANUAL SUPPLEMENT** **FAA APPROVED** MASTER DRAWING LIST AML REV DATE Number Revision* Drawing Revision* 1. Erickson Air- Crane S-64E H6EA 14 CFR § 29 including amendment 29-1 and 29-2 except FAR 29.855(d), and Special Condition No. 29-0140SC** RFMS-004 Revision 5, dated August 16, 2017 MDL- HTS2- PUMP-1 Revision IR, dated August 29, 2019 2. Erickson Air- Crane S-64F H6EA 14 CFR § 29 including amendment 29-1 and 29-2 except FAR 29.855(d), and Special Condition No. 29-0140SC** RFMS-004 Revision 5, dated August 16, 2017 MDL- HTS2- PUMP-1 Revision IR, dated August 29, 2019 3. Helicopter Transport Services CH-54A H16NM R00009SE 14 CFR § 29 including amendment 29-1 and 29- 2** RFMS-021 Revision IR, dated February 28, 2019 MDL- HTS2- PUMP-1 Revision IR, dated August 29, 2019 4. Helicopter Transport Services CH-54B H14NM 14 CFR § 29 including amendment 29-1 and 29- 2** RFMS-021 Revision IR, dated February 28, 2019 MDL- HTS2- PUMP-1 Revision IR, dated August 29, 2019 5. Siller Helicopters, Inc. CH-54A H18NM 14 CFR § 29 including amendment 29-1 and 29- 2** RFMS-011 Revision 2, dated June 23, 2014 MDL- HTS2- PUMP-1 Revision IR, dated August 29, 2019 * Or later FAA Approved Revision ** and 14 CFR § 29.1529, Amendment 29-20 FAA Approved: For Acting Manager, Seattle ACO Branch AMENDED: REISSUED: ## Every issue (1) - March 27, 2020: Issued, Current. [certificate](https://openairdocs.org/files/sha256/03/30/033025809ef4e078cd7aebefe8ee2da5cf8000cd4055a2221aead4b052a6cc9d), [SR02684SE_AML.pdf](https://openairdocs.org/files/sha256/63/77/6377dffd401208e2300d9ff51059fae6ab36c6b79fbca9f7f7710c46aaf77afe) --- 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.