# STC SE1673CE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: David James, United States
- Description: Replace camshaft and valve train with parts from Model 6A4-165-B3 engine.
- Applied: August 12, 1981
- Status date: December 5, 2019
- Product: Engine
- Certification basis: Part 21
- Data sheets: [TCDS E-238](https://openairdocs.org/tcds/E-238)
- Certificate PDF: https://openairdocs.org/files/sha256/0d/20/0d2027478c2ef27b4c1be4de6a5f9175c4832ed177b2d68be48929157a900b6a
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/CF561896E61AF23A862585B4003FF013.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SE1673CE

## ADs that name it (0)

None.

## Approved models (1)

- Wytwornia Sprzetu Komunikacyjnego 6A4-150-B3 ([TCDS E-238](https://openairdocs.org/tcds/E-238))

## 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.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate The STC’s supporting documentation (drawings, instructions, specifications, flight manual supplements, etc.) is the property oft h eS T C holder.

FAA Form 8110-2 (5/14) Page 1 of This certificate issued to:

Part of the

Signature

Title David James 32131 Carlisle Parkway Wayne, MI 48184 2 SE1673CE Civil Air Regulations.13 Replace camshaft and valve train with parts from Franklin Model 6A4-165-B3 engine. Data required:

1. Wirt/C.W. Aircraft Repair Supplemental Parts List, pages 1 & 2, dated August 12, 1981, and

2. A copy of this certificate.

This approval should not be extended to other specific engines of this model on which other previously approved modifications are incorporated, unless it is determined that the interrelationship between this change and any of those other previously approved modifications will introduce no adverse effect upon the airworthiness of that engine.

Franklin 6A4-150-B3 December 5, 2019August 12, 1981 August 21, 1981 E-238 Grant Youngdahl Program Manager Wichita ACO Branch

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate The STC’s supporting documentation (drawings, instructions, specifications, flight manual supplements, etc.) is the property oft h eS T C holder.

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

To (Name and address of transferee) From (Name and address of grantor) Extent of Authority (if licensing agreement):

2 SE1673CE

## Every issue (1)

- December 5, 2019: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/0d/20/0d2027478c2ef27b4c1be4de6a5f9175c4832ed177b2d68be48929157a900b6a)

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