# STC SH5683NM

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Simplex Manufacturing Company, United States
- Description: Installation of Model 10170 antenna mount structure.
- Status date: February 18, 1992
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS H3WE](https://openairdocs.org/tcds/H3WE)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/B08CB727A45B70E385256CC2005C3332.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SH5683NM

## ADs that name it (0)

None.

## Approved models (1)

- MD Helicopter Inc. 369 Series ([TCDS H3WE](https://openairdocs.org/tcds/H3WE))

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
