# STC SE163SO

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Riley Intl Corp, United States
- Description: Two Rajay trubochargers 325E10.
- Status date: January 1, 1960
- Product: Engine
- Certification basis: Part 21
- Data sheets: [TCDS 1E15](https://openairdocs.org/tcds/1E15)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/039762B94DEFF8E0862570D20065FB35.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SE163SO

## ADs that name it (1)

- [AD 70-15-18](https://openairdocs.org/ad/70-15-18): Automatic Pilot and Automatic Aileron Stabilizer Instruments · Mitchell Industries Auto Pilot Systems Instruments. Effective Aug 31, 1970. Cited in the text

## Approved models (1)

- Textron Lycoming AVCO Corporation IO-720-A1A ([TCDS 1E15](https://openairdocs.org/tcds/1E15))

---
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.