# STC SR02583SE - Type: Supplemental type certificate - Status: Current, Issued - Holder: Croman Corporation, United States - Description: Installation of a 9 passenger seat configuration for side-facing seats - Applied: September 1, 2017 - Status date: January 16, 2018 - Product: Aircraft, Rotorcraft - Certification basis: Part 21, Part 29 - Data sheets: [TCDS 1H15](https://openairdocs.org/tcds/1H15) - Certificate PDF: https://openairdocs.org/files/sha256/7e/96/7e960ecad5d1dc760d757ea7c9b5737630d6e0c4ae4ecb9189f143a9b771c636 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/B971FD18AA8CEA3586258218004BE91F.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SR02583SE ## ADs that name it (0) None. ## Approved models (1) - Sikorsky Aircraft S-61N ([TCDS 1H15](https://openairdocs.org/tcds/1H15)) ## 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. Un ited S tates of Am erica Department of Transportation - Federal Aviation Administration Supplemental Type Certificate Number SR02583SE This certificate, issued to Croman Corporation 801 Ave C White City, OR 97503 Part 29 of the Federal Aviation Regulations. Original ProductType Certificate Number: 1H15 Make: Sikorsky Model: S-61N Description of the Type Design Change: Installation of a 9 passenger seat configuration for side-facing seats in accordance with Drawing CCS61-9PAX-03, Revision -, dated October 1, 2017, or later Federal Aviation Administration (FAA) approved revision. Operate in accordance with Rotorcraft Flight Manual Supplement (RFMS) CCS61-9PAX-RFMS, Revision A, dated May 23, 2017, or later FAA-approved revision. Maintain the 9 passenger seat configuration for side facing-seats in accordance with dependent Supplemental Type Certificate (STC) SR02327AK, Instructions for Continued Airworthiness CA07-MB-002, Revision IR, dated May 5, 2008, or later FAA-accepted revision. 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 series unless the installer determines that the relationship between this change and any other previously incorporated approved modifications will introduce no adverse effect upon the airworthiness of that rotorcraft. Date of application: September 1, 2017 Date reissued: Date of issuance: January 16, 2018 Date amended: FAA FORM 8110-2 (5/14) PAGE 1 OF 3 PAGES By direction of the Administrator (Signature) Manager, Seattle ACO Branch (Title) Un ited S tates of Am erica Department of Transportation - Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number SR02583SE Croman Corporation Issued: January 16, 2018 Reissued: Amended: A copy of this certificate, and the RFMS, must be maintained as part of the permanent records of the modified rotorcraft. This STC requires the installation of Carson Helicopters Inc. STC ST02327AK. Certification Basis: The Certificaiton Basis for the changed Sikorsky Model S-61N rotorcraft as described in this certifate is as follows: 14 CFR Part 29 at Amendment 29-1: 29.601, 29.1529, 29.1589 - END - **FAA FORM 8110-2 (5/14) PAGE 3 OF 3 PAGES** ## Every issue (1) - January 16, 2018: Issued, Current. [certificate](https://openairdocs.org/files/sha256/7e/96/7e960ecad5d1dc760d757ea7c9b5737630d6e0c4ae4ecb9189f143a9b771c636) --- 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.