# STC SH635EA

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Port of New York Authority, United States
- Description: Operate with one or both rear doors removed and both front doors in- stalled on helicopters equipped with or without emergency float gear.
- Status date: January 1, 1960
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS H2SW](https://openairdocs.org/tcds/H2SW)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/0DAEEE50ECA560F7862570C20067FE5A.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SH635EA

## ADs that name it (0)

None.

## Approved models (1)

- Bell Helicopter Textron (Canada) 206A ([TCDS H2SW](https://openairdocs.org/tcds/H2SW))

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