# STC SA1020GL

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Ontic Engineering and Manufacturing Inc., United States
- Description: Removal of P/N 213762 propeller synchrophaser control box and electrical connector, and installation of P/N A213796 control box, and electrical connector.
- Applied: April 18, 1986
- Status date: April 30, 2007
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21, Part 23
- Data sheets: [TCDS A23CE](https://openairdocs.org/tcds/A23CE)
- Certificate PDF: https://openairdocs.org/files/sha256/f6/a7/f6a7b250ee76351e481bbc47e671e22cd2855aedddc561a38ab8005f1636f2c1
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/1C18317F09B5FA2B862572D400519368.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1020GL

## ADs that name it (0)

None.

## Approved models (2)

- Raytheon Aircraft Company 58P ([TCDS A23CE](https://openairdocs.org/tcds/A23CE))
- Raytheon Aircraft Company 58TC ([TCDS A23CE](https://openairdocs.org/tcds/A23CE))

## 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 23 of the Federal Aviation Regulations. (See Type Certificate Data Sheet No. A23CE for complete certification basis.)

Original Product--Type Certificate Number: A23CE Make: Raytheon Aircraft Corporation Model: 58P and 58TC

Removal of P/N 213762 propeller synchrophaser control box and electrical connector, and installation of P/N A213796 control box, and electrical connector in accordance with Woodward Governor Installation Instruction 9963-146, no rev., dated March 18, 1986, or later FAA approved revision.

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

2. 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 : April 18, 1986

Date of issuance : May 15, 1986

Date reissued : October 3, 2005, April 30, 2007

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

( Title)

## Every issue (2)

- April 30, 2007: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/f6/a7/f6a7b250ee76351e481bbc47e671e22cd2855aedddc561a38ab8005f1636f2c1)
- February 12, 2007: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/b1/51/b15109c1e727ed8c7810641ad35ab965c1fec65c18808da730945ffa802b32c4)

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