# STC SH446NW

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Simplex Manufacturing Co, United States
- Description: Installation of model 5000 spray tank
- Applied: May 10, 1977
- Status date: June 30, 1978
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS H2SW](https://openairdocs.org/tcds/H2SW)
- Certificate PDF: https://openairdocs.org/files/sha256/e7/8c/e78c23547b3a1bb07fedbf999604d1fd0f919d4d02038190e37a84dacb4089d8
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/336C23863725BC0985256CC2005C3235.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SH446NW

## ADs that name it (0)

None.

## Approved models (1)

- Bell Helicopter Textron Canada Limited 206B ([TCDS H2SW](https://openairdocs.org/tcds/H2SW))

## What the certificate says

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

## Every issue (1)

- June 30, 1978: Amended, Current. [certificate](https://openairdocs.org/files/sha256/e7/8c/e78c23547b3a1bb07fedbf999604d1fd0f919d4d02038190e37a84dacb4089d8)

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