# STC SE7325SW-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: RAM Aircraft Limited Partnership, United States
- Description: Installation of crankcase modifications.
- Applied: April 7, 1987
- Status date: August 24, 2008
- Product: Engine
- Certification basis: Part 21
- Data sheets: [TCDS E5CE](https://openairdocs.org/tcds/E5CE)
- Certificate PDF: https://openairdocs.org/files/sha256/1a/aa/1aaac8f4941fc0fe0f9c2bd0fe03a1dbb8d17bfe52eace942e1dc969422c445b
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/C7B07C9BCC28BC1F8625793E00610C89.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SE7325SW-D

## ADs that name it (0)

None.

## Approved models (13)

- Teledyne Continental Motors IO-520-A ([TCDS E5CE](https://openairdocs.org/tcds/E5CE))
- Teledyne Continental Motors IO-520-BA ([TCDS E5CE](https://openairdocs.org/tcds/E5CE))
- Teledyne Continental Motors IO-520-BB ([TCDS E5CE](https://openairdocs.org/tcds/E5CE))
- Teledyne Continental Motors IO-520-C ([TCDS E5CE](https://openairdocs.org/tcds/E5CE))
- Teledyne Continental Motors IO-520-CB ([TCDS E5CE](https://openairdocs.org/tcds/E5CE))
- Teledyne Continental Motors IO-520-D ([TCDS E5CE](https://openairdocs.org/tcds/E5CE))
- Teledyne Continental Motors IO-520-E ([TCDS E5CE](https://openairdocs.org/tcds/E5CE))
- Teledyne Continental Motors IO-520-F ([TCDS E5CE](https://openairdocs.org/tcds/E5CE))
- Teledyne Continental Motors IO-520-J ([TCDS E5CE](https://openairdocs.org/tcds/E5CE))
- Teledyne Continental Motors IO-520-K ([TCDS E5CE](https://openairdocs.org/tcds/E5CE))
- Teledyne Continental Motors IO-520-L ([TCDS E5CE](https://openairdocs.org/tcds/E5CE))
- Teledyne Continental Motors IO-520-M ([TCDS E5CE](https://openairdocs.org/tcds/E5CE))
- Teledyne Continental Motors IO-520-MB ([TCDS E5CE](https://openairdocs.org/tcds/E5CE))

## 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: SE7325SW.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 condition's therefor as specified hereon meet's the airworthiness requirement's of Part 13of the Civil Air Regulations.

Original Product Type Certificate Number : ESCE Make: Teledyne Continental Model: 10-520-A, F, J, L, D, E, K, BA, BB, C, CB, M, and MB Description of Type Design Change: Installation of crankcase modifications in accordance with RAM Aircraft Limited Partnership Drawing No. 1157, Rev. G, dated March 11, 1987, or later FAA approved revision.

The following supplements or later FAA approved revisions are required: 1. Overhaul manual supplement dated March 1987, 2. Parts manual supplement dated March 1987. Compatibility of this modification with previously installed equipment 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 Reissued: October 8, 2001, February 28, 2008, Date of Application: April 07, 1987 August 24, 2008 Date of Issuance: January 06, 1988 Date Amended:

FEDERAL AVIATION By Direction of the Administrator

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

FAA Form 8110-2110-68)

## Every issue (1)

- August 24, 2008: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/1a/aa/1aaac8f4941fc0fe0f9c2bd0fe03a1dbb8d17bfe52eace942e1dc969422c445b)

---
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.