# STC SE3631SW-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: RAM Aircraft Limited Partnership, United States
- Description: Cylinder modifications.
- Applied: June 6, 1985
- Status date: August 11, 2008
- Product: Engine
- Certification basis: Part 21
- Data sheets: [TCDS E8CE](https://openairdocs.org/tcds/E8CE)
- Certificate PDF: https://openairdocs.org/files/sha256/cd/3e/cd3e93aaece8e36df1a74d4b69729b53fc36e65b929dcf8c44d5db53cfe3cad6
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/67601DF6AF07E3218625793C007001BE.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SE3631SW-D

## ADs that name it (0)

None.

## Approved models (30)

- Teledyne Continental Motors TSIO-520-A ([TCDS E8CE](https://openairdocs.org/tcds/E8CE))
- Teledyne Continental Motors TSIO-520-AE ([TCDS E8CE](https://openairdocs.org/tcds/E8CE))
- Teledyne Continental Motors TSIO-520-AF ([TCDS E8CE](https://openairdocs.org/tcds/E8CE))
- Teledyne Continental Motors TSIO-520-B ([TCDS E8CE](https://openairdocs.org/tcds/E8CE))
- Teledyne Continental Motors TSIO-520-BB ([TCDS E8CE](https://openairdocs.org/tcds/E8CE))
- Teledyne Continental Motors TSIO-520-BE ([TCDS E8CE](https://openairdocs.org/tcds/E8CE))
- Teledyne Continental Motors TSIO-520-C ([TCDS E8CE](https://openairdocs.org/tcds/E8CE))
- Teledyne Continental Motors TSIO-520-CE ([TCDS E8CE](https://openairdocs.org/tcds/E8CE))
- Teledyne Continental Motors TSIO-520-D ([TCDS E8CE](https://openairdocs.org/tcds/E8CE))
- Teledyne Continental Motors TSIO-520-DB ([TCDS E8CE](https://openairdocs.org/tcds/E8CE))
- Teledyne Continental Motors TSIO-520-E ([TCDS E8CE](https://openairdocs.org/tcds/E8CE))
- Teledyne Continental Motors TSIO-520-EB ([TCDS E8CE](https://openairdocs.org/tcds/E8CE))
- Teledyne Continental Motors TSIO-520-G ([TCDS E8CE](https://openairdocs.org/tcds/E8CE))
- Teledyne Continental Motors TSIO-520-H ([TCDS E8CE](https://openairdocs.org/tcds/E8CE))
- Teledyne Continental Motors TSIO-520-J ([TCDS E8CE](https://openairdocs.org/tcds/E8CE))
- Teledyne Continental Motors TSIO-520-JB ([TCDS E8CE](https://openairdocs.org/tcds/E8CE))
- Teledyne Continental Motors TSIO-520-K ([TCDS E8CE](https://openairdocs.org/tcds/E8CE))
- Teledyne Continental Motors TSIO-520-KB ([TCDS E8CE](https://openairdocs.org/tcds/E8CE))
- Teledyne Continental Motors TSIO-520-L ([TCDS E8CE](https://openairdocs.org/tcds/E8CE))
- Teledyne Continental Motors TSIO-520-LB ([TCDS E8CE](https://openairdocs.org/tcds/E8CE))
- Teledyne Continental Motors TSIO-520-M ([TCDS E8CE](https://openairdocs.org/tcds/E8CE))
- Teledyne Continental Motors TSIO-520-N ([TCDS E8CE](https://openairdocs.org/tcds/E8CE))
- Teledyne Continental Motors TSIO-520-NB ([TCDS E8CE](https://openairdocs.org/tcds/E8CE))
- Teledyne Continental Motors TSIO-520-P ([TCDS E8CE](https://openairdocs.org/tcds/E8CE))
- Teledyne Continental Motors TSIO-520-R ([TCDS E8CE](https://openairdocs.org/tcds/E8CE))
- Teledyne Continental Motors TSIO-520-T ([TCDS E8CE](https://openairdocs.org/tcds/E8CE))
- Teledyne Continental Motors TSIO-520-U ([TCDS E8CE](https://openairdocs.org/tcds/E8CE))
- Teledyne Continental Motors TSIO-520-UB ([TCDS E8CE](https://openairdocs.org/tcds/E8CE))
- Teledyne Continental Motors TSIO-520-VB ([TCDS E8CE](https://openairdocs.org/tcds/E8CE))
- Teledyne Continental Motors TSIO-520-WB ([TCDS E8CE](https://openairdocs.org/tcds/E8CE))

## What the certificate says

This is OCR from the scanned FAA certificate. OCR can misread letters and numbers.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SE3631SW-D This certificate issued to: RAM Aircraft, Limited Partnership 7505 Karl May Drive Waco, TX 76708 Certifies that the change in the type design for the following product with the limitations and conditions therofor as spocified hereon meets the airworthiness requirement's of Part 13 of the Civil Air Regulations.

Original Product Typo Certificato Number: ESCE Make: Teledyne Continental Model: TSIO-520 Series Description of Type Design Change: Cylinder modifications in accordance with RAM Aircraft, LP Drawing No.

1158, Revision C, dated June 11, 1986, or later FAA approved revision.

Limitations and Conditions: The following supplements or later FAA approved revisions are required:

1. Overhaul Manual Supplement dated November 1986.

2. Parts Manual Supplement dated January 1986.

Compatibility of this design change with previously approved modifications must be determined by the installer. If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission.

Date of Application: June 06, 1985 Date Reissued: October 08, 2001; May 12, 2008;

August 11, 2008 Date of Issuance: July 10, 1986 Date Amended:

FEDERAL AVIATION By Direction of the Administrator

ORIGINAL SIGNED BY TERRY BOWDEN (Signature) TOMINISTRATIO Terry L. Bowden DAS administrator DAS-700100-SW RAM Aircraft LP Waco, Texas (Title) ion of this certificate is punishable by a fine of not exceeding $l,000, or imprisonment not exceeding 3 years, or both.

FAA Form 8110-2110-68) Page 1 of 2

## Every issue (1)

- August 11, 2008: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/cd/3e/cd3e93aaece8e36df1a74d4b69729b53fc36e65b929dcf8c44d5db53cfe3cad6)

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