# STC SE03415CH

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: DERS Group Svc LLC, United States
- Description: The turbo-normalization of Continental Motors engine models IO-520-A, -F, -J, and -L, TSIO-520-C, -G, -H, -M, and -R, and IO-550-F and L for installation into Cessna 206, 207 & 210 aircraft
- Applied: August 31, 2012
- Status date: July 31, 2019
- Product: Engine
- Certification basis: Part 21, Part 33
- Data sheets: [TCDS E8CE](https://openairdocs.org/tcds/E8CE), [TCDS E5CE](https://openairdocs.org/tcds/E5CE), [TCDS E3SO](https://openairdocs.org/tcds/E3SO)
- Certificate PDF: https://openairdocs.org/files/sha256/c7/a1/c7a164c06e0a21ec05890c4b674c0a4414152892510bbe95bb0a39dec6c395b4
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/09C7306CF44ECC31862584630063948C.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SE03415CH

## ADs that name it (0)

None.

## Approved models (11)

- Continental Motors IO-520-A ([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-L ([TCDS E5CE](https://openairdocs.org/tcds/E5CE))
- Continental Motors IO-550-F ([TCDS E3SO](https://openairdocs.org/tcds/E3SO))
- Continental Motors IO-550-L ([TCDS E3SO](https://openairdocs.org/tcds/E3SO))
- Continental Motors Inc TSIO-520-C ([TCDS E8CE](https://openairdocs.org/tcds/E8CE))
- Continental Motors Inc TSIO-520-G ([TCDS E8CE](https://openairdocs.org/tcds/E8CE))
- Continental Motors Inc TSIO-520-H ([TCDS E8CE](https://openairdocs.org/tcds/E8CE))
- Continental Motors Inc TSIO-520-M ([TCDS E8CE](https://openairdocs.org/tcds/E8CE))
- Continental Motors Inc TSIO-520-R ([TCDS E8CE](https://openairdocs.org/tcds/E8CE))

## 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.

N umber SE03415CH This certificate issued to

Part 3 3 of the Federal Aviation R egulations. (See Type Certificate Data Sheet No. E5CE, E8CE and E3SO for complete certification basis)

Original Product --Type Certificate N umber :

The turbo-normalization of Continental Motors engine models IO-520-A, -F, -J, and -L, TSIO-520-C, -G, -H, -M, and -R, and IO- 550-F and –L for installation into Cessna 206, 207 & 210 aircraft per STC SE03416CH.

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

2. This conversion is to be performed per Master Data List MDL for ENGINE ASSEMBLY TSIO-550-F, L (TN), TSIO-520- A, C, F, G, H, J, L, M, R (TN), report number WS202001, revision B, dated 07 March 2015.

3. 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.

DERS Group Svc LLC 144 Grays Creek Drive Savannah, GA 31410 E5CE, E8CE and E3SO M ake : Continental Motors M odel : IO-520-A, -F, -J, and -L, TSIO-520-C, -G, -H, -M, and -R, and IO- 550-F and –L Date of application : August 31, 2012

Date of issuance : April 22, 2015

Date reissued : July 31, 2019

B y direction of the A dministrator

(Signature) Timothy P. Smyth Manager, Chicago ACO Branch Compliance & Airworthiness Division

(Title)

FAA FORM 8110-2-1(10-69) PAGE 2 of 3 PAGES

Number

FAA FORM 8110-2-1(10-69) PAGE 3 of 3 PAGES

Number

## Every issue (2)

- July 31, 2019: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/c7/a1/c7a164c06e0a21ec05890c4b674c0a4414152892510bbe95bb0a39dec6c395b4)
- April 22, 2015: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/95/17/9517daf4da5ac6030a800b59e51c0f163236383deba96a59d212ae22dc4b1af6)

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