# STC SH215NW

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Simplex Manufacturing Co, United States
- Description: Installation of Model 4400 aerial dust system.
- Status date: September 9, 1975
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS 4H11](https://openairdocs.org/tcds/4H11)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/5F4EBDB75D066E6985256CC2005C2F79.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SH215NW

## ADs that name it (0)

None.

## Approved models (2)

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

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