# STC SE271SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Continental Motors, Inc., United States
- Description: Modification of Continental TSIO-470 piston P/N 629185 compression ring grooves from present  keystone configuration to rectangular configuration
- Applied: May 1, 1963
- Status date: October 31, 2016
- Product: Engine
- Certification basis: Part 13, Part 21
- Data sheets: [TCDS 3E3](https://openairdocs.org/tcds/3E3)
- Certificate PDF: https://openairdocs.org/files/sha256/20/3b/203b9c92a85715087dbc4cc6167ebc7fc01a665f08390b3fb1c6c282cb75b375
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/790D4A3CB57D5D20862580B8007D2114.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SE271SW

## ADs that name it (0)

None.

## Approved models (1)

- Teledyne Continental Motors TSIO-470 Series ([TCDS 3E3](https://openairdocs.org/tcds/3E3))

## What the certificate says

Read from the PDF's text layer, without the form's printed wording; the layout is lost and the order can differ. The PDF is the record.

FAA Form 8110-2 (5/14) Page 1 of 2

Number: SE271SW

Part 13 of the Civil Air Regulations.

Original Product – Type Certificate Number: 3E3 Make: Continental Motors Inc.

Model: TSIO-470 Series Description of Type Design Change:

Modification of Continental TSIO-470 piston P/N 629185 compression ring grooves from present ½ keystone configuration to rectangular configuration in accordance with Chrome Plate, Inc. Drawing Nos. GA-2 and GA-2A dated May 1, 1963.

The installer must determine whether this design change is compatible with previously approved modifications. If the holder agrees to permit another person to use this certificate to alter the product, the holder must give the other person written evidence of that permission.

Date of Application: May 1, 1963 Date Reissued: 8/27/07; 7/20/15; 1/25/16; 10/31/16 Date of Issuance: June 27, 1963 Date Amended: January 11, 1983 Revision 1

Signature

Title James A. Grigg Acting Manager, Fort Worth Aircraft Certification Office, Southwest Region Continental Motors Inc.

2039 S. Broad St.

Mobile, AL 36615

FAA Form 8110-2 (5/14) Page 2 of 2

Transfer the ownership of Supplemental Type Certificate Number: SE271SW

To (Name and address of transferee)

From (Name and address of grantor)

FAA Form 8110-2 (5/14) Page 3 of 3

## Every issue (1)

- October 31, 2016: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/20/3b/203b9c92a85715087dbc4cc6167ebc7fc01a665f08390b3fb1c6c282cb75b375)

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