# STC SH1014NW

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Simplex Manufacturing Co, United States
- Description: Simplex Model 4600 spray system
- Applied: June 6, 1980
- Status date: March 9, 1981
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS 4H11](https://openairdocs.org/tcds/4H11)
- Certificate PDF: https://openairdocs.org/files/sha256/e6/3a/e63adb14f527ce28f5dcfab98ec3a75f5a33d862f2f5a2d597d4583952bbf68d
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/BE04E0D827E4A30986257A3D004982AE.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SH1014NW

## ADs that name it (0)

None.

## Approved models (1)

- Siam Hiller Holdings Inc. UH-12E ([TCDS 4H11](https://openairdocs.org/tcds/4H11))

## 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: SH1014NW This certificate issued to: Simplex Manufacturing Company Part 6 of the CIViI Air Regulations Original Product _ Type bertificate Number: 4H11 Make: Hiller Model: UH-12E Series (as modified by STC SH178WE) Description Jupe Leign bhange: Installation of a Model 4600 spray system in accordance with Simplex Manufacturing Company Model 4600 Drawing List.

Limitations and Conditions: Approval of this change in type design applies basically to the above model 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 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 and FAA approved Rotorcraft Flight Manual Supplement shall be maintained as part of the permanent records for the modified helicopter.

Date of Application: June 6, 1980 Date Reissued:

Date of Issuance: August 25, 1980 Date Amended: March 9, 1981 FEDERAL NUTATION Vases C schroeder By Direction of the Administrator (Signature ) TAMINISTRATO Acting Chief, Seattle Area Aircraft Certification Office (Title)

## Every issue (1)

- March 9, 1981: Amended, Current. [certificate](https://openairdocs.org/files/sha256/e6/3a/e63adb14f527ce28f5dcfab98ec3a75f5a33d862f2f5a2d597d4583952bbf68d)

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