# STC SH1105NW

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: American Avionics Inc, United States
- Description: Installation of American Avionics, Inc. MAC-1000 Master Accessory Control System
- Applied: August 3, 1980
- Status date: November 24, 1980
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS H2WE](https://openairdocs.org/tcds/H2WE)
- Certificate PDF: https://openairdocs.org/files/sha256/19/3a/193a7bad8ab20fe8a72d42eae2809e573862ed242c7da71b22b86b0b112a6a9f
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/67281F55B78A22DA86257A3D0057836E.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SH1105NW

## ADs that name it (0)

None.

## Approved models (1)

- FH1100 Manufacturing Corporation FH-1100 ([TCDS H2WE](https://openairdocs.org/tcds/H2WE))

## 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: SH1105N4 This certificate issued to: American Avionics, Inc.

Part 6 of the Civil Air Regulations., dated December 20, 1956.

Original Product - Type Bertificato Number: H2WE Make: Fairchild (Hiller) Model: FH-1100 Description of Type Design Change: Installation of American Avionics, Inc. MAC-1000 Master Accessory Control System in accordance with American Avionics, Inc. Installation Instruction Manual No. MAC-1 and Master Document List MAC-1000.

Limitatims andtimditions Approval of this change in type design applies basically to the above model helicopters only. This approval should not be extended to other helicopters of this model on which other previously approved modifications are incorprated 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 helicopter.

A copy of this Certificate shall be maintained as part of the permanent records for

Date of Application: August 3, 1980 Date Reissued:

Date of Issuance: November 24, 1980 Date Amended:

FEDERAL AVIATION Siredien of the Steniperationf (Signature ) TMINISTRALO Acting Chief, Seattle Area Aircraft Certification Office (Title)

47.

## Every issue (1)

- November 24, 1980: Issued, Current. [certificate](https://openairdocs.org/files/sha256/19/3a/193a7bad8ab20fe8a72d42eae2809e573862ed242c7da71b22b86b0b112a6a9f)

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