# STC SR01981SE

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Croman Corporation, United States
- Description: Fabrication and installation of an internal fire retardant tank
- Applied: November 20, 2007
- Status date: February 17, 2010
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21, Part 29
- Data sheets: [TCDS H2EA](https://openairdocs.org/tcds/H2EA)
- Certificate PDF: https://openairdocs.org/files/sha256/73/7c/737c0e42b42ddbd20dc464832246c10c5d97773f0415d8b8ce8d369c0d1a9934
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/3D2B6B8747214E2A862576CE0076B521.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SR01981SE

## ADs that name it (0)

None.

## Approved models (1)

- 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 SR01981SE

This certificate, issued to: Croman Corporation 801 Avenue C White City, OR 97503

Part 29 of the Federal Aviation Regulations.

Original Product⎯Type Certificate Number: H2EA Make: Croman Model: S-61A

Description of the Type Design Change: Fabrication and installation of an internal fire retardant tank in accordance with FAA-Approved Jordan Aircraft Services, Inc., Master Drawing List T6100, Revision B, dated January 08, 2010, or later FAA-approved revision. Inspect this firefighting tank installation in accordance with Croman Corporation Instructions for Continued Airworthiness Document entitled S61A/SH3 Internal Firefighting Tank System, document number CCSH-3HTank-1, Revision A, dated December 15, 2004, or later FAA-approved revision.

Limitations and Conditions: This installation is limited to Sikorsky Model S-61A Serial Number 61083 only. The modified rotorcraft must be operated in accordance with an FAA-approved copy of Croman Corporation Rotorcraft Flight Manual Supplement (RFMS), document RFMS-S61A-1, FAA-approved March 13, 2009, or later FAA-approved revision.

A copy of this Certificate must be maintained as part of the permanent records for the modified rotorcraft.

Date of application: November 20, 2007 Date reissued: Xxxxxxx ##, #### Date of issuance: February 17, 2010 Date amended: Xxxxxxx ##, ####

(Signature) Acting Manager, Seattle Aircraft Certification Office (Title) Original Signed by Philip L. Forde

## Every issue (1)

- February 17, 2010: Issued, Current. [certificate](https://openairdocs.org/files/sha256/73/7c/737c0e42b42ddbd20dc464832246c10c5d97773f0415d8b8ce8d369c0d1a9934)

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