# STC SH4180SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Air Logistics, United States
- Description: Installation of Sperry Dual Helipilot Automatic Flight Control System for IFR certification
- Applied: January 23, 1979
- Status date: March 20, 1992
- Product: Aircraft, Rotorcraft
- Certification basis: Part 29
- Data sheets: [TCDS H1NE](https://openairdocs.org/tcds/H1NE)
- Certificate PDF: https://openairdocs.org/files/sha256/7f/e6/7fe6fbdc68b2772e515203fdafcbed923472037c1522496631bf0c69d320e2d1
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID138826236620241002131404.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SH4180SW

## ADs that name it (0)

None.

## Approved models (1)

- Sikorsky Aircraft Corporation S-76A ([TCDS H1NE](https://openairdocs.org/tcds/H1NE))

## What the certificate says

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

## Every issue (1)

- March 20, 1992: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/7f/e6/7fe6fbdc68b2772e515203fdafcbed923472037c1522496631bf0c69d320e2d1)

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