# STC SR00291DE

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Air Comm Corporation, United States
- Description: Installation of bleed air cabin heating/windshield defroster system.
- Applied: March 3, 1997
- Status date: May 21, 1997
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS H7EU](https://openairdocs.org/tcds/H7EU)
- Certificate PDF: https://openairdocs.org/files/sha256/45/2e/452eefb1f2c1cf1fe1217a748589e86be78791ff6a1ae983fe68fd4b038a10a2
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/706E36DF7526C35285256CC2006224FC.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SR00291DE

## ADs that name it (0)

None.

## Approved models (3)

- Agusta S.p.A. A109A ([TCDS H7EU](https://openairdocs.org/tcds/H7EU))
- Agusta S.p.A. A109A II ([TCDS H7EU](https://openairdocs.org/tcds/H7EU))
- Agusta S.p.A. A109C ([TCDS H7EU](https://openairdocs.org/tcds/H7EU))

## What the certificate says

This is OCR from the scanned FAA certificate. OCR can misread letters and numbers.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number SRO0291DE This certificate issued to: Air Comm Corporation Part 27 of the Federal Aviation Regulations.

Original Product -Jype Certificate Number: H7EU Make: Agusta Model: A109A, A109AII, A109C Description of Type Design Change:

Installation of Bleed Air Cabin Heating/Windshield Defroster System in accordance with Air Comm Corp. Drawing List Report DL-A109H, Rev. A, dated April 4, 1997, or later FAA approved revision.

1. FAA Approved Rotorcraft Flight Manual Supplement FMS A109H-1, dated May 21, 1997 or later FAA approved revision is required for Agusta Model A109A and A109All rotorcraft.

2. FAA Approved Rotorcraft Flight Manual Supplement FMS A109H-2, dated May 21, 1997 or later FAA approved revision is required for Agusta Model A109C rotorcraft.

3. Approval of this change in type design applies to the above model rotorcraft only. This approval should not be extended to rotorcraft of this model on which other previously approved modifications are incorporated unless it is determined that the interrelationship 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.

3. A copy of this Certificate and FAA Approved Rotorcraft Flight Manual Supplements or later FAA approved revision must be maintained as part of the permanent records for the modified rotorcraft.

Date of Application: March 3, 1997 Date Reissued:

Date of Issuance: May 21, 1997 Date Amended: .

FEDERAL AVIATION By Direction of the Administrator Roger P. Chudy (Signature) Acting Manager TOMINSTRATIOR Northwest Mountain Region Denver Aircraft Certification Office (Title)

## Every issue (1)

- May 21, 1997: Issued, Current. [certificate](https://openairdocs.org/files/sha256/45/2e/452eefb1f2c1cf1fe1217a748589e86be78791ff6a1ae983fe68fd4b038a10a2)

---
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.