# STC SA213CE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Ontic Engineering and Manufacturing Inc., United States
- Description: Twin-engine electronic sychronizer.
- Applied: December 13, 1963
- Status date: April 30, 2007
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 3, Part 21
- Data sheets: [TCDS 5A4](https://openairdocs.org/tcds/5A4)
- Certificate PDF: https://openairdocs.org/files/sha256/48/63/4863dc0f52718e37b19b89c0c4bfcfc2ab7c1b347f3339c14b6b74214310fb83
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/A859E856973A5B98862572D4004BDB5A.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA213CE

## ADs that name it (0)

None.

## Approved models (1)

- Raytheon Aircraft Company J50 ([TCDS 5A4](https://openairdocs.org/tcds/5A4))

## 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.

Part 3 of the Civil Air Regulations. (See Aircraft Specification No. 5A4 for Complete certification basis)

Original Product--Type Certificate Number: 5A4 Make: Raytheon Aircraft Company Model: J50

Install twin-engine synchronizer in accordance with Installation Manual Woodward Electronic Synchronizer Kit for Beech Model J50, dated December 10, 1963 and Drawing 213183, Dated December 9, 1963 or later FAA approved revision.

1. Woodward Airplane Flight Manual Supplement dated March 18, 1964 or later FAA approved revision is required.

2. Compatibility of this design change with previous modifications must be determined by the installer.

3. If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission.

Ontic Engineering and Manufacturing Inc.

20400 Plummer Street Chatsworth, CA 91311 Date of application : December 13, 1963

Date of issuance : March 18, 1964

Date reissued : September 30, 2005, April 30, 2007

( Signature) Thomas A. Enyart Manager, Propulsion Branch Los Angeles Aircraft Certification Office

( Title)

## Every issue (1)

- April 30, 2007: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/48/63/4863dc0f52718e37b19b89c0c4bfcfc2ab7c1b347f3339c14b6b74214310fb83)

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