# STC SH403NW

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Simplex Manufacturing Company, United States
- Description: Installation of 
Simplex Manufacturing Inc series 500 spray system
- Applied: January 13, 1977
- Status date: February 8, 1978
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS H2WE](https://openairdocs.org/tcds/H2WE)
- Certificate PDF: https://openairdocs.org/files/sha256/51/14/51142f0cd510ef10e46fc9886ac7d38950c7a4941eb906335621c31c86cabcaf
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/417C4A3A8D0B95E586257AD30066CFAB.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SH403NW

## 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 STEBOOK Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number 851403177 This certificate issued to: SIMPLEX MANUFACTURING COMPANY, INC.

Part 6 of the Civil Air Regulations Effective January 15, 1951.

Original Product Type Certificate Number: HZWE Make: Fairchild Hiller Model: FH-1100 Description of Type Design Change: Installation of Simplex Manufacturing, Inc., Series 5000 spray system in accordance with EMCO Helicopters photographs 1 through 3 and Simplex Manufacturing Company, Inc., drawing No. 5001.

Limitations and Conditions: Data pertaining to this modification are considered inadequate for duplication in other aircraft. This approval is limited to the installation in Fairchild Hiller Model FH-1100 Serial Numbers 117 and 83 only. A copy of this Certificate and Fairchild-Hiller Flight Manual Supplement shall be maintained as part of the permanent records for the modified aircraft.

Date of Application: January 13, 1971 Tute missued:

Date of Issuance: February 24, 1977 Date Amended: June 14, 1977, February 8, 1978 FEDERAL AVIATION Charles & Shrveder (Signature ) TOMINISTRANO * Chief, Engineering and Manufacturing Branch (Title)

47.

FAA FoRu 8110-2 (10-68)

## Every issue (1)

- February 8, 1978: Amended, Current. [certificate](https://openairdocs.org/files/sha256/51/14/51142f0cd510ef10e46fc9886ac7d38950c7a4941eb906335621c31c86cabcaf)

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