# STC SH3679NM

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Aero Credit Company, Inc, United States
- Description: Install medical oxygen system.
- Applied: December 12, 1986
- Status date: May 9, 1988
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS H7EU](https://openairdocs.org/tcds/H7EU)
- Certificate PDF: https://openairdocs.org/files/sha256/9b/11/9b11acb4669995ff3e5e48ff2285e16f81dfbd20f2e9e1051f08ff85061bd617
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/7F2004ACE297899B85256CC2005C314E.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SH3679NM

## ADs that name it (0)

None.

## Approved models (2)

- 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))

## 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 SH3679NM This certificate issued to: Aero Credit Company, Inc.

Certifies that the change in the type design for the following product with the limitations and conditions therefor as specified hereon meets the a reurthiness requirement of Purt 21 eftheederal AvIation Regulations: dated February 1, 1965, including Amendments 27-1 through 27-8 and FAR 21.29.

Original Product -Type Bertificate Number: H7 EU Make: Costruzioni Aeronautiche Giovanni (Agusta) Mertel: A109A & A109A II Description of Type Design Change:

Install a medical oxygen system in accordance with Hospital Air Transport Master Drawing List HAT-200 and Installation Instructions HAT-2000 dated December 18, 1986, or later FAA Approved Revision.

Limitations and Conditions: Approval of this change in type design applies to the above helicopter only. This approval should not be extended to other helicopters of this model on which other previously approved modifications are incorporated unless it is determined that the relationship 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 helicopter. A copy of this Certificate, Continuation Sheet and Rotorcraft Flight Manual Supplement shall be maintained as part of the permanent records for the modified helicopter.

· TRAINIST RATO Assistant Manager, Seattle Aircraft Certification Office (Title)

niced Scates of recrica Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number 5436794M

AIRWORTHINESS REQUIREMENTS Part 21.29 of the Federal Aviation Regulations and FAR Part 27 dated February 1, 1955 including Amendments 27-1 through 27-8, FAR 29.903(b) and FAR

27.927(c) at Amendment 27-12 as elected by the applicant. Special Conditions for Agusta Model A109 helicopter, No. 27-54-EU-17, issued June 26, 1973.

Limitations and Conditions: (Continued)

PLACARDS One is to be installed on/near oxygen control console and another within view of the pilot:

**NO SMOKING PERMITTED**

WHILE OXYGEN IN USE Identification placard to be installed on oxygen control console:

**OXYGEN FOR**

**MEDICAL PURPOSES**

- END -

**FAA FORM 8110-2-1 (10-69) PAGE 3 OF 3 PAGES**

## Every issue (1)

- May 9, 1988: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/9b/11/9b11acb4669995ff3e5e48ff2285e16f81dfbd20f2e9e1051f08ff85061bd617)

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