# STC SH646EA

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Fairchild Hiller Corp, United States
- Description: Installation of provisions for radar antenna waveguide.
- Status date: January 1, 1960
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS H2WE](https://openairdocs.org/tcds/H2WE)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/7601A1471FF3F6B5862570C200632A32.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SH646EA

## ADs that name it (0)

None.

## Approved models (1)

- Hiller Aviation FH-1100 ([TCDS H2WE](https://openairdocs.org/tcds/H2WE))

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