# STC SE1908SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Riley Aircraft Corp, United States
- Description: Conversion of TSIO-520-K to TSIO-520-J.
- Applied: May 31, 1974
- Status date: November 29, 1984
- Product: Engine
- Certification basis: Part 21
- Data sheets: [TCDS E8CE](https://openairdocs.org/tcds/E8CE)
- Certificate PDF: https://openairdocs.org/files/sha256/4f/e1/4fe1e667d89bb826f8af15e5fbda3a898b040d48c5d9399e9d02e92b71454305
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/4276D8EAC1C188B185256CC2005A7482.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SE1908SW

## ADs that name it (0)

None.

## Approved models (1)

- Continental Motors Inc TSIO-520-K ([TCDS E8CE](https://openairdocs.org/tcds/E8CE))

## What the certificate says

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

## Every issue (1)

- November 29, 1984: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/4f/e1/4fe1e667d89bb826f8af15e5fbda3a898b040d48c5d9399e9d02e92b71454305)

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