# STC SE367CH

- Type: Supplemental type certificate
- Status: Historical, Reissued
- Holder: Plane Dynamix LLC, United States
- Description: Modification of AVCO Lycoming O-320-E2A engine by replacing four pistons with four O-320-D2A pistons
- Applied: February 9, 1995
- Status date: August 26, 2015
- Product: Engine
- Certification basis: Part 13, Part 21
- Data sheets: [TCDS E-274](https://openairdocs.org/tcds/E-274)
- Certificate PDF: https://openairdocs.org/files/sha256/15/67/1567d9ca057cc5de283fa5912a796b46f73fba4ec24a6b3b62a9d50959f7f5cc
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/824317613F8458AD86257ED2004EBF70.0001
- DRS record last changed: April 28, 2026
- Page: https://openairdocs.org/stc/SE367CH

## ADs that name it (0)

None.

## Approved models (2)

- Lycoming Engines O-320-E2A ([TCDS E-274](https://openairdocs.org/tcds/E-274))
- Textron Lycoming AVCO Corporation O-320-E2A ([TCDS E-274](https://openairdocs.org/tcds/E-274))

## 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.

This certificate issued to

Part 13 of the Civil Air R egulations .

(See Type Certificate Data Sheet Number E-274 for the complete certification basis).

Original Product --Type Certificate N umber :

Modification of AVCO Lycoming O-320-E2A engine by replacing four pistons with four O-320-D2A pistons (P/N 75089) in accordance with Arthur Mattson Installation Instructions, dated June 15, 1995, 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.

3) Engine rating identification plate to be installed immediately adjacent to the original identification plate.

This certificate an d the supporting data, which is the basis for approval, shall remain in effect until surrendered, suspended, revoked or a termination date is otherwise established by the A dministrator of the F ederal A viation A dministration.

Plane Dynamix, LLC 3650 Rogers Road, Suite 231 Wake Forest, NC 27587

E-274 M ake : AVCO Corporation, Lycoming Div.

M odel : O-320-E2A

Date of application : February 9, 1995

Date of issuance : June 23, 1995 Date reissued : August 26, 2015

B y direction of the A dministrator Original Signed By:

Karol Mordasiewicz

(Signature) Karol Mordasiewicz Manager, Airframe and Administrative Branch Chicago Aircraft Certification Office

(Title)

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

N umber SE367CH

## Every issue (1)

- August 26, 2015: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/15/67/1567d9ca057cc5de283fa5912a796b46f73fba4ec24a6b3b62a9d50959f7f5cc)

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