# STC SH1-527

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Republic Aviaiton Corp, United States
- Description: Transmission gears in transmission box assembly SE 3130 62-30-00; 81P740009 first stage sun gear, one; 81P740006 second stage sun gear, one; 81P740007 satellite gear, twelve.
- Status date: January 1, 1960
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS 7H1](https://openairdocs.org/tcds/7H1)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/6EFDC6095E4E59C5862570D2006E6B85.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SH1-527

## ADs that name it (0)

None.

## Approved models (1)

- Eurocopter France SE3130 Alouette II ([TCDS 7H1](https://openairdocs.org/tcds/7H1))

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