# STC SE3714SW-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: RAM Aircraft Limited Partnership, United States
- Description: Install RAM economy camshaft and modified cylinders.
- Applied: September 4, 1986
- Status date: August 1, 2008
- Product: Engine
- Certification basis: Part 21
- Data sheets: [TCDS E8CE](https://openairdocs.org/tcds/E8CE)
- Certificate PDF: https://openairdocs.org/files/sha256/44/83/4483003c462d994f07271e1070decccf00a24ba3a0093a72b60cad459006e131
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/E713C6ED6BC8E5258625793C00700151.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SE3714SW-D

## ADs that name it (0)

None.

## Approved models (2)

- 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))

## 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: SE3714SW-D This certificate issued to: RAM Aircraft, Limited Partnership 7505 Karl May Drive Waco, IX 76708 Certifies that the change in the type design for the following product with the limitations and conditions therofor as specified hereon meets the airworthiness requirement's of Part 18 of the Civil Abir Poegulations.

Original Product Typo Certificate Number: ESCE Мвако: Teledyne Continental Motors Model: TSIO-520-N, -520-NB Description of Type Design Change: Install RAM economy camshaft and modified cylinders according to RAM Report No. 86-8, dated August 1986, and RAM Drawing List No. 1238, Revision A, dated January 7, 1988, or later FAA approved revision.

Limitations and Conditions: The following supplements or later FAA approved revisions are required: 1) Overhaul Manual Supplement dated 1/88; 2) Operator's Manual Supplement dated 1/88; 3) Parts Manual Supplement dated 1/88. 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 shall give the other person written evidence of that permission.

Date of Application: September 04, 1986 Date Reissued: October 08, 2001; February 12, 2008;

August 21, 2008 Date of Issuance: December 15, 1986 Date Amended: February 17, 1988 FEDERAL AVIATION By Direction of the Administrator

ORIGINAL SIGNED BY TERRY BOWDEN TOMNISTRATOT (Signature) Terry L. Bowden DAS administrator DAS-700100-SW RAM Aircraft LP Waco, Texas (Title) 47

## Every issue (1)

- August 1, 2008: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/44/83/4483003c462d994f07271e1070decccf00a24ba3a0093a72b60cad459006e131)

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