# STC ST00314AT

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Heli-Tech, Inc, United States
- Description: Installation of engine firewall.
- Status date: August 10, 1993
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS H3WE](https://openairdocs.org/tcds/H3WE)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/7F5F7873EAB729D585256CC2006A7264.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/ST00314AT

## ADs that name it (0)

None.

## Approved models (1)

- MD Helicopter Inc. 369 (Army YOH-6A) ([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.