# STC SE09979SC

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: General Aviation Modifications, Inc., United States
- Description: Modification of Teledyne Continental Motors IO-520-B, IO-520-BA, or IO-520-BB engine to an Ultimate Engines IO-550-B/UE engine
- Applied: October 8, 2001
- Status date: December 31, 2015
- Product: Engine
- Certification basis: Part 13, Part 21
- Data sheets: [TCDS E5CE](https://openairdocs.org/tcds/E5CE)
- Certificate PDF: https://openairdocs.org/files/sha256/01/67/016714b24482a2d133aceb4a9476046dae9602dab539cd48051ee3c035af3bf3
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/0D9E0122A1506D4A86257FB6006BF241.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SE09979SC

## ADs that name it (0)

None.

## Approved models (17)

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

## 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: SE09979SC

Part 13 of the Civil Air Regulations.

Original Product – Type Certificate Number: E5CE Make: Teledyne Continental Model: IO-520 Description of Type Design Change:

Modification of Teledyne Continental Motors IO-520-B, IO-520-BA, or IO-520-BB engine to an Ultimate Engines IO-550-B/UE engine in accordance with Ultimate Engines Drawing Number 15001-01, Revision A, dated January 10, 2002, or later FAA approved revision.

1. The installer must determine whether this design change is compatible with previously approved modifications.

2. 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: October 08, 2001 Date Reissued: 04/28/08; 03/23/15; 05/04/15; 12/31/15 Date of Issuance: March 05, 2002 Date Amended:

Signature

Title John Hardie Acting Manager, Fort Worth Aircraft Certification Office, Southwest Region General Aviation Modifications, Inc.

2800 Airport Rd.

Ada, OK 74820

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

Transfer the ownership of Supplemental Type Certificate Number: SE09979SC

To (Name and address of transferee)

From (Name and address of grantor)

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

## Every issue (4)

- December 31, 2015: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/01/67/016714b24482a2d133aceb4a9476046dae9602dab539cd48051ee3c035af3bf3)
- May 4, 2015: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/1f/79/1f794f55ea6c121059132b863154dbe98657786a8eec23632a3e9e8704c9af12)
- March 23, 2015: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/5d/9e/5d9e1b8347977ad5858b4838a8100f7aaa3746ad087ad0118ac7d820477ac922)
- April 28, 2008: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/bc/e6/bce6c9b401a9237088e3e5550ddf65760dd4fc3eced537b2a4b0d34f7646efc8)

---
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.
