# STC SE09104SC-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: RAM Aircraft Limited Partnership, United States
- Description: Modify Teledyne Continental TSIO-520-NB engine. Maximum continuous power is 335 hp at 2700 rpm and 38.0 inches Hg manifold pressure. This mod is limited to Teledyne Continental motors model TSIO-520-NB engines modified per STC SE4327SW.
- Applied: August 25, 1995
- Status date: August 24, 2008
- Product: Engine
- Certification basis: Part 21
- Data sheets: [TCDS E8CE](https://openairdocs.org/tcds/E8CE)
- Certificate PDF: https://openairdocs.org/files/sha256/bf/d4/bfd4ee26381a03e98a263057906af0adb7bae329d2488a39406c04bbb66da31a
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/0F587FEA778306FB8625793E0061986B.0001
- DRS record last changed: December 19, 2025
- Page: https://openairdocs.org/stc/SE09104SC-D

## ADs that name it (1)

- [AD 2004-08-10](https://openairdocs.org/ad/2004-08-10): Serial-numbered (SN) cylinders · Modify Teledyne Continental TSIO-520-NB engine (RAM Aircraft Limited Partnership STC SE09104SC or 4 others). Effective May 5, 2004. Named in the applicability

## Approved models (1)

- 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 SEO910ASC:D This certificate issued to: RAM Aircraft, Limited Partnership 7505 Karl May Drive Waco, IX 76708 Part 13 of the Civil Air Poegulations.

Original Product Type Certificate Number : ESCE Make: Teledyne Continental Motors Model: TSIO-520-NB Description of Type Design Change: Modification of Teledyne Continental Motors Model TSIO-520-NB engine in accordance with RAM Drawing No. 1778, Revision E, dated 05/25/1999, or later FAA approved revision. Maximum continuous power is 335 HP at 2700 RPM and 38.0 inches Hg manifold pressure.

This modification is limited to Teledyne Continental Motors Model TSIO-520-NB engines modified in accordance with STC SE4327SW-D. The installer must determine whether this design changes 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 Reissued: October 8, 2001; February 12, 2008, August 24, 2008 Date of Application: April 25, 1995 Date of Issuance: September 14, 1995 Date Amended: June 18, 1999 Revision 1 FEDERAL AVIATION ORIGINAL SIGNED BY TERRY BOWDEN By Direction of the Administrator (Signature) Terry L. Bowden TOMINSTRATO DAS administrator DAS-700100-SW RAM Aircraft LP Waco, Texas (Title) 47

## Every issue (1)

- August 24, 2008: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/bf/d4/bfd4ee26381a03e98a263057906af0adb7bae329d2488a39406c04bbb66da31a)

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