# STC SH273NW

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Simplex Manufacturing Co, United States
- Description: Installation of Aerial Spray System No. 3300.
- Applied: October 20, 1975
- Status date: August 29, 1977
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS 4H11](https://openairdocs.org/tcds/4H11)
- Certificate PDF: https://openairdocs.org/files/sha256/71/67/71678c5febac96ed6fb0ae599147ef1c338d3cc6249b5edb8313904f54bfa76e
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/F727F138DF320A3486257ADA005B65C0.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SH273NW

## ADs that name it (0)

None.

## Approved models (1)

- Rogerson Hiller Corporation UH-12E ([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)

- August 29, 1977: Amended, Current. [certificate](https://openairdocs.org/files/sha256/71/67/71678c5febac96ed6fb0ae599147ef1c338d3cc6249b5edb8313904f54bfa76e)

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