# STC SE03187AT

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Vitatoe Aviation LLC, United States
- Description: STC for the conversion of Teledyne Continental Motors (TCM) Models IO-520-D, -E,  -F, or -L to the respective PowerLite Models IO-550-D-AP,  -E-AP, -F-AP, or -L-AP which have the same ratings and limitations as TCM Models IO-550-D, -E, -F, or -L, respectively.
- Applied: March 3, 2003
- Status date: October 23, 2017
- Product: Engine
- Certification basis: Part 21, Part 33
- Data sheets: [TCDS E5CE](https://openairdocs.org/tcds/E5CE)
- Certificate PDF: https://openairdocs.org/files/sha256/f3/6f/f36f26e2ae7828c65d931b51422364ce8ae8a0c0d08a9bb402d53007ebc1d2cf
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/6C19FD81E1AFB786862581CD0049E079.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SE03187AT

## ADs that name it (0)

None.

## Approved models (4)

- 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-L ([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.

33 Federal Aviation *through Amendment 33-8, effected May 2, 1977

STC for the conversion of Continental Motors Inc. (CMI) models IO-520-D, -E, -F, or –L, to the respective Vitatoe Aviation IO-550- D-AP, -E-AP, -F-AP or –L-AP which have the same rating and limitations as the CMI models IO-550-D, -E, -F, or –L, respectively.

Conversion of the models IO-520-D, -E, -F or –L to the models IO-550-D-AP, -E-AP, -F-AP or –L-AP shall be performed in accordance with Vitatoe Aviation Report AP2005-03 Master Parts List, Revision A dated 24 August 2017 and Vitatoe Aviation Report AP1005-08 Assembly Instructions, Revision A dated 24 August 2017 or later approved revisions.

This approval should not be extended to other engines of these models on which other previously approved mod ification are incorporated, unless it is determined by the installer that the interrelationship between this change and any other previousl y approved modifications will produce no adverse effect upon the airworthiness of that engine. If the holder agrees to permit another person to use this certification to alter the product, the holder shall give the other person written evidence of that permission. The models IO- 550-D-AP, -E-AP, -F-AP or –L-AP shall be maintained in accordance with Vitatoe Aviation Report AP1005-13, Instructions for Continued Airworthiness, revision A, dated 24 August 2017 or later FAA Accepted.

Vitatoe Aviation, LLC 100 Chamber Drive Chillicothe, OH 45601 E5CE Continental Motors Inc.

IO-520-D, -E, -F, or L March 03, 2003

December 01, 2005

June 08, 2017

October 23, 2017

(Signature) Roy E. Boffo, Manager, Propulsion and Project Management Section Chicago ACO Branch

(Title)

Original signed by:

Roy E Boffo

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

## Every issue (3)

- October 23, 2017: Amended, Current. [certificate](https://openairdocs.org/files/sha256/f3/6f/f36f26e2ae7828c65d931b51422364ce8ae8a0c0d08a9bb402d53007ebc1d2cf)
- June 8, 2017: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/33/f2/33f258c7fe57c5af848e6b0582dc4e5da5881e467538433e0345bf15ba8eec8d)
- December 1, 2005: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/f4/9e/f49e173541b868640b2eca593809c4a088de61cd91bde2d00fba49040200b39f)

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