# STC SH2521SO

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Intl Helicopter Services, Inc., United States
- Description: Installation of external, belly mounted camera and mount system.
- Status date: March 15, 1989
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS H11EU](https://openairdocs.org/tcds/H11EU)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/5A68FEDE4AB78C8885256CC2005C3006.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SH2521SO

## ADs that name it (0)

None.

## Approved models (4)

- Eurocopter France AS355E ([TCDS H11EU](https://openairdocs.org/tcds/H11EU))
- Eurocopter France AS355F ([TCDS H11EU](https://openairdocs.org/tcds/H11EU))
- Eurocopter France AS355F1 ([TCDS H11EU](https://openairdocs.org/tcds/H11EU))
- Eurocopter France AS355F2 ([TCDS H11EU](https://openairdocs.org/tcds/H11EU))

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