# STC SH8601SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: RSG Products, United States
- Description: Installation of a Honeywell EDZ-705 four tube flight instrument system.
- Applied: April 10, 1992
- Status date: January 30, 2017
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21, Part 29
- Data sheets: [TCDS H9SW](https://openairdocs.org/tcds/H9SW)
- Certificate PDF: https://openairdocs.org/files/sha256/5d/2c/5d2c007aca53092c07704013919b4598be08ffddac14b1398d231926d499a2f8
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/5C99CE8F8CEE45BE862581DE0072E36B.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SH8601SW

## ADs that name it (0)

None.

## Approved models (1)

- Bell Helicopter Textron (Canada) 230 ([TCDS H9SW](https://openairdocs.org/tcds/H9SW))

## 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.

FAA Form 8110-2 (5/14) Page 1 of 2

Number: SH8601SW

Part 29 of the Federal Aviation Regulations.

Original Product – Type Certificate Number: H9SW Make: Bell Helicopter Textron A Division of Textron Canada Model: 230 Description of Type Design Change:

Installation of a Honeywell EDZ-705 four tube flight instrument system in the Bell Model 230 helicopter in accordance with Heli-Dyne Systems, Inc., drawing list HD230-00-0002, dated December 22, 1992, Rev. I/R, or later FAA approved revision.

FAA Approved Rotorcraft Flight Manual Supplement HDD-92-91 dated February 8, 1993, or later FAA approved revision is required. The installer must determine whether this design change is compatible with previously approved modifications. If the holder agrees to permit another person to use this certificate to alter a product, the holder must give the other person written evidence of that permission.

Date of Application: April 10, 1992 Date Reissued: January 30, 2017 Date of Issuance: February 8, 1993 Date Amended:

Signature

Title James A. Grigg Manager, Fort Worth Aircraft Certification Office, Southwest Region RSG Products 3900 Falcon Way, Hangar 16S Fort Worth, TX 76106

FAA Form 8110-2 (5/14) Page 2 of 2

Transfer the ownership of Supplemental Type Certificate Number: SH8601SW

To (Name and address of transferee)

From (Name and address of grantor)

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: ST10962SC

FAA Form 8110-2 (5/14) Page 3 of 3

## Every issue (2)

- January 30, 2017: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/5d/2c/5d2c007aca53092c07704013919b4598be08ffddac14b1398d231926d499a2f8)
- February 8, 1993: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/4e/2f/4e2ff1378215578722da7778a3f603af0b1ff122d0fc1b877c6f4df5bbc884cf)

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