# STC SH887NW

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Simplex Manufacturing Co, United States
- Description: Simplex Model 4650 spray system - agricultural.
- Applied: December 7, 1979
- Status date: February 21, 1980
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS 4H11](https://openairdocs.org/tcds/4H11)
- Certificate PDF: https://openairdocs.org/files/sha256/67/08/67080cb89b8da83a1da666054e20662de01ee1d83493fbc97a6eb3f265ab9cbf
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/2F23986F0EAEDDB785256CC200622375.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SH887NW

## ADs that name it (0)

None.

## Approved models (2)

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

## What the certificate says

The certificate is a scan without a text layer; open the PDF to read it.

## Every issue (1)

- February 21, 1980: Issued, Current. [certificate](https://openairdocs.org/files/sha256/67/08/67080cb89b8da83a1da666054e20662de01ee1d83493fbc97a6eb3f265ab9cbf)

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