# STC ST00146BO

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Simmonds Precision Products Inc, United States
- Description: Installation of a Goodrich analog Transient Suppression Device (ATSD)
- Applied: November 21, 2001
- Status date: July 28, 2011
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A16WE](https://openairdocs.org/tcds/A16WE)
- Certificate PDF: https://openairdocs.org/files/sha256/4b/dd/4bdd4f9b39863b6c783c6adc246319c0213072067899557a55bbe06958f443ae
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/30CBD92E95CAE14086258017006C3B18.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/ST00146BO

## ADs that name it (1)

- [AD 2012-08-17](https://openairdocs.org/ad/2012-08-17): Fuel Quantity Indicator · Goodrich analog Transient Suppression Device (Simmonds Precision Products STC ST00146BO). Effective May 31, 2012. Named in the applicability

## Approved models (5)

- The Boeing Company 737-100 Series ([TCDS A16WE](https://openairdocs.org/tcds/A16WE))
- The Boeing Company 737-200 Series ([TCDS A16WE](https://openairdocs.org/tcds/A16WE))
- The Boeing Company 737-300 Series ([TCDS A16WE](https://openairdocs.org/tcds/A16WE))
- The Boeing Company 737-400 Series ([TCDS A16WE](https://openairdocs.org/tcds/A16WE))
- The Boeing Company 737-500 Series ([TCDS A16WE](https://openairdocs.org/tcds/A16WE))

## What the certificate says

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

## Every issue (1)

- July 28, 2011: Amended, Current. [certificate](https://openairdocs.org/files/sha256/4b/dd/4bdd4f9b39863b6c783c6adc246319c0213072067899557a55bbe06958f443ae)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
