# STC SH4517NM

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Aerometals, United States
- Description: Installation of reinforcing insert inside lower vertical surface boss on aft tail boom forging.
- Status date: November 9, 1998
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS H3WE](https://openairdocs.org/tcds/H3WE)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/C29CBC917BEEB23785256CC2005C323F.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SH4517NM

## ADs that name it (0)

None.

## Approved models (1)

- MD Helicopter Inc. 369H 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.