# STC SH661GL

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Air 76 Inc, United States
- Description: Reduction of passenger seat con- figuration from 16 to 9 passenger seats by removing the two-man seat(P/N 1650-61339) and the five-man seat (P/N 1607-5096-1).
- Applied: December 15, 1982
- Status date: February 9, 1983
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS 1H11](https://openairdocs.org/tcds/1H11)
- Certificate PDF: https://openairdocs.org/files/sha256/10/7f/107f86f3250d783eac88569ff64dfe8cfc140b9dcc1c83d01a89f2d8b884c696
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DAAA8B324352EA9D85256CC2006221A1.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SH661GL

## ADs that name it (0)

None.

## Approved models (1)

- Sikorsky Aircraft Corporation S-58HT ([TCDS 1H11](https://openairdocs.org/tcds/1H11))

## What the certificate says

The certificate is a scan without a text layer; open the PDF to read it.

## Every issue (1)

- February 9, 1983: Issued, Current. [certificate](https://openairdocs.org/files/sha256/10/7f/107f86f3250d783eac88569ff64dfe8cfc140b9dcc1c83d01a89f2d8b884c696)

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