# STC SH150WE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Onboard Systems
- Description: Installation of Chadwick electronic weighing system C-46.
- Status date: April 28, 1987
- Data sheets: 1H4, 1H4
- Certificate PDF: https://openairdocs.org/files/sha256/5e/95/5e95bbd6629fdd0c2370b7a3736f48a2ea701d6beed363066e2a5bb37542d248
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/465AA826E52EF3AA862579EB0055AFE4.0001
- Page: https://openairdocs.org/stc/SH150WE

## ADs that name it

None.

## Approved models (2)

- Sikorsky Aircraft Corporation S-55 (TCDS 1H4)
- Sikorsky Aircraft Corporation S-55C (TCDS 1H4)

## What the certificate says

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

## Every issue (1)

- April 28, 1987: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/5e/95/5e95bbd6629fdd0c2370b7a3736f48a2ea701d6beed363066e2a5bb37542d248)

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From OpenAirDocs.org, an independent open copy of FAA data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.