# STC SE1725CE

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Air Midwest, Inc, United States
- Description: Modification to replace torque pressure compensator with a plug for raw torque pressure indicating provision.
- Status date: February 26, 1982
- Product: Engine
- Certification basis: Part 21
- Data sheets: [TCDS E4WE](https://openairdocs.org/tcds/E4WE)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/446D26E930D3B91C85256CC2005A7474.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SE1725CE

## ADs that name it (0)

None.

## Approved models (1)

- AlliedSignal Inc. TPE331-3UW ([TCDS E4WE](https://openairdocs.org/tcds/E4WE))

---
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.