# STC SR01427SE - Type: Supplemental type certificate - Status: Current, Amended - Holder: Croman Corporation, United States - Description: Installation of S-61L fixed main landing gear - Applied: May 22, 2003 - Status date: April 5, 2016 - Product: Aircraft, Rotorcraft - Certification basis: Part 21, Part 29 - Data sheets: [TCDS R00014LA](https://openairdocs.org/tcds/R00014LA), [TCDS R00004SE](https://openairdocs.org/tcds/R00004SE), [TCDS H2EA](https://openairdocs.org/tcds/H2EA) - Certificate PDF: https://openairdocs.org/files/sha256/39/7e/397e543703c4a47fd57379889c74d0fb1326893698b560995fc8483ef2c3f749 - Approved model list and other attachments: [AML_SR01427SE.pdf](https://openairdocs.org/files/sha256/aa/b2/aab2d61593aee8ccb8cdd0c1c5100982365c88ec4265fc83e29df9ce2335ddd9) - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/BA640F100EB44A0186257F8F003FC173.0001 - DRS record last changed: December 5, 2025 - Page: https://openairdocs.org/stc/SR01427SE ## ADs that name it (0) None. ## Approved models (3) - Carson Helicopters Inc. SH-3H ([TCDS R00014LA](https://openairdocs.org/tcds/R00014LA)) - Croman Corporation SH-3H ([TCDS R00004SE](https://openairdocs.org/tcds/R00004SE)) - Sikorsky Aircraft Corporation S-61A ([TCDS H2EA](https://openairdocs.org/tcds/H2EA)) ## 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 SR01427SE This certificate, issued to Croman Corporation 801 Avenue C White City, OR 97503 Part * of the * Regulations. Original ProductType Certificate Number: * See attached Federal Aviation Administration (FAA) Make: Approved Model List (AML) SR01427SE for approved Model: rotorcraft models and applicable airworthiness regulations Description of the Type Design Change: Installation of S-61L fixed main landing gear in accordance with McClenahan Engineering master drawing list (MDL) and installation instructions as listed on AML SR01427SE, or later FAA-approved revisions. The rotorcraft must be operated in accordance with Croman Corporation Rotorcraft Flight Manual Supplement (RFMS) as listed on AML SR01427SE, or later FAA-approved revision. Maintain per Instructions for Continued Airworthiness (ICA) document as listed on AML SR01427SE, or later FAA-accepted revision. Limitations and Conditions: For the Croman Model SH-3H, this installation is limited to serial blocks E/1 through E/5. The serial blocks are defined by the Illustrated Parts Manual Navair 01-230HLH-4-2. 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. Compliance with Sikorsky Service Bulletin 61B25-6C, dated March 8, 1978, and Sikorsky Service Bulletin 61B25-9B, dated July 12, 1978, is required with this certificate. A copy of this certificate, the RFMS, the MDL, and the ICA must be maintained as part of the permanent records of the modified helicopter. 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 22, 2003 Date reissued: Date of issuance: July 28, 2004 Date amended: 7/1/10; 11/9/10, 4/5/16 (Signature) Manager, Seattle Aircraft Certification Office (Title) ### AML_SR01427SE.pdf FEDERAL AVIATION ADMINISTRATION (FAA) APPROVED MODEL LIST (AML) SR01427SE FOR INSTALLATION OF S-61L FIXED MAIN LANDING GEAR ISSUE DATE: April 5, 2016 Page 1 of 1 **ITEM AIRCRAFT MAKE** **AIRCRAFT MODEL** **ORIGINAL TC NUMBER** **CERTIFICATION** **BASIS FOR** **ALTERATION** **FAA APPROVED AIRCRAFT** **FLIGHT MANUAL** **SUPPLEMENT** **FAA APPROVED INSTRUCTIONS FOR** **CONTINUED AIRWORTHINESS** **FAA APPROVED** MASTER DRAWING LIST AML REV DATE Number Revision* Number Revision** Drawing Revision* 1. Sikorsky S-61A H2EA Part 29 RFMS-SH3H-5 Revision IR, dated 3/23/16 CCSH/S-61A-ICA-202 Revision 1, dated 2/9/16 DM0320-3 Revision B, dated 7/14/04 2. Croman Corporation SH-3H R00004SE Part 29 RFMS-SH3H-3 Revision 2, dated 3/14/16 CCSH/S-61A-ICA-202 Revision 1, dated 2/9/16 DM0320-3 Revision B, dated 7/14/04 3. Carson Helicopters, Inc. SH-3H R00014LA Part 29 RFMS-SH3H-4 Revision IR, dated 3/23/16 CCSH/S-61A-ICA-202 Revision 1, dated 2/9/16 DM0320-3 Revision B, dated 7/14/04 * Or Later FAA Approved Revision ** Or Later FAA Accepted Revision FAA Approved: Manager, Seattle Aircraft Certification Office AMENDED: REISSUED: ## Every issue (3) - April 5, 2016: Amended, Current. [certificate](https://openairdocs.org/files/sha256/39/7e/397e543703c4a47fd57379889c74d0fb1326893698b560995fc8483ef2c3f749), [AML_SR01427SE.pdf](https://openairdocs.org/files/sha256/aa/b2/aab2d61593aee8ccb8cdd0c1c5100982365c88ec4265fc83e29df9ce2335ddd9) - November 9, 2010: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/30/f2/30f2d0b8789fc1b5113837c1dda3b23f9236f5d2941b89581611760d33f50798) - July 28, 2004: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/2d/2d/2d2d12de6b35b0833ce0c4129b13a9781190bcd48789eaffbcff1a19a3cdec30) --- 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.