# STC SR00221SE

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Whirlybirds Limited, United States
- Description: Installation of a sky sign lighted display, S/N 105.
- Status date: August 7, 1995
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS H2WE](https://openairdocs.org/tcds/H2WE)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/0C93D8C53B81691285256CC2006224D0.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SR00221SE

## ADs that name it (0)

None.

## Approved models (1)

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

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