# STC SH1684SO

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Advanced Technology & Research Inc, United States
- Description: Installation of a three (3) place couch (divan) within passenger compartment.
- Status date: September 27, 1984
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS H4EU](https://openairdocs.org/tcds/H4EU)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/27CA3F89A3E1269285256CC2005C2EE9.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SH1684SO

## ADs that name it (0)

None.

## Approved models (1)

- Eurocopter France AS332L ([TCDS H4EU](https://openairdocs.org/tcds/H4EU))

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