# STC SP169SO

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Riley Intl Corp, United States
- Description: Goodyear electro-thermal deicing equipment.
- Status date: August 6, 1974
- Product: Propeller
- Certification basis: Part 21
- Data sheets: [TCDS P6EA](https://openairdocs.org/tcds/P6EA)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DA8624F16D5F0EE485256CC200622400.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SP169SO

## ADs that name it (0)

None.

## Approved models (1)

- Hartzell Propeller Inc. HC-A3V ([TCDS P6EA](https://openairdocs.org/tcds/P6EA))

---
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.