# STC SR08991RC

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: RSG Products, United States
- Description: Installation of a Honeywell EDZ-705 dual tube elctronic flight instrument system.
- Applied: May 16, 1994
- Status date: February 10, 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/c8/58/c858ae3fba3fdb97f581c281e662d833a941d321b557a1b9ed449235287823d4
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/C3F072749B5634A686258249006A398F.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SR08991RC

## ADs that name it (0)

None.

## Approved models (1)

- Bell Helicopter Textron (Canada) 222U ([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: SR08991RC

Part 29 of the Federal Aviation Regulations.

Original Product – Type Certificate Number: H9SW Make: Bell Helicopter Textron A Division of Textron Canada Model: 222U Description of Type Design Change:

Installation of a Honeywell EDZ-705 Dual Tube Electronic Flight Instrument System in accordance with Helidyne Dwg. List HD222-00-0067, Revision A, dated October 14, 1994, or later FAA approved revision.

Rotorcraft Flight Manual Supplement (RFMS) HDD94-15, dated December 14, 1994, or later FAA approved RFMS 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: May 16, 1994 Date Reissued: February 10, 2017 Date of Issuance: December 14, 1994 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: SR08991RC

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 (1)

- February 10, 2017: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/c8/58/c858ae3fba3fdb97f581c281e662d833a941d321b557a1b9ed449235287823d4)

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