# STC SE01146SE

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Gold Coast Aviation Service Inc, United States
- Description: Option 1)  Installation of Gold Coast Aviation crankshaft bearings GCA-21201-AB (rear) and GCA-21301-FB (front) 
Option 2)  Installation of Gold Coast Aviation replacement intake valve guides P/N GCA-20241-IG 
Option 3)  Installation of Gold Coast Aviation replacement exhaust valve guides P/N GCA-20406-EG
- Applied: December 17, 2002
- Status date: December 17, 2002
- Product: Engine
- Certification basis: Part 13, Part 21
- Data sheets: [TCDS E-162](https://openairdocs.org/tcds/E-162)
- Certificate PDF: https://openairdocs.org/files/sha256/56/a0/56a02f93d73cb4754b4d226a5b5a77dfedcc0af588f55ee83c201f5e2e36167c
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/8239DC97BEF5052B86257714006BAE2B.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SE01146SE

## ADs that name it (0)

None.

## Approved models (4)

- Teledyne Continental Motors W670-16 ([TCDS E-162](https://openairdocs.org/tcds/E-162))
- Teledyne Continental Motors W670-24 ([TCDS E-162](https://openairdocs.org/tcds/E-162))
- Teledyne Continental Motors W670-6A ([TCDS E-162](https://openairdocs.org/tcds/E-162))
- Teledyne Continental Motors W670-6N ([TCDS E-162](https://openairdocs.org/tcds/E-162))

## 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 Number SE01146SE This certificate, issued to Gold Coast Aviation 45 Mortenson Ave.

Salinas, CA 93905

Part 13 of the Civil Air Regulations.

Original Product⎯Type Certificate Number: E-162 Make: Continental Model: W670-6A, -6N, -16, -24

Description of the Type Design Change: Option 1) Installation of Gold Coast Aviation crankshaft bearings GCA-21201-AB (rear) and GCA-21301-FB (front) as replacements for Continental bearings P/N 20428, and P/N 2542 respectively. (Note: Front and rear crankshaft bearings must both be replaced).

Option 2) Installation of Gold Coast Aviation replacement intake valve guides P/N GCA-20241-IG in accordance with Gold Coast Installation Instructions GCA-20406-IGI, dated September 6, 2002, as replacements for Continental P/N 20241.

Option 3) Installation of Gold Coast Aviation replacement exhaust valve guides P/N GCA-20406-EG in accordance with Gold Coast Installation Instructions GCA-20406-EGI, dated September 6, 2002, as replacements for Continental P/N 20400.

Instructions for continued airworthiness for the above model engines are not affected by these changes with the provision that time between overhaul (TBO) for the modified engine shall be 1000 hours.

Limitations and Conditions: Approval of this change in type design applies to the engine models listed above only. This approval should not be extended to other engines of these models on which other previously approved modifications are incorporated unless it is determined that the relationship between this change and any of those other previously approved modifications, including changes in type design, will introduce no adverse effect upon the airworthiness of that engine. A copy of this Certificate must be maintained as part of the permanent records for the modified engine.

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.

Date of application: May 11, 2000 Date reissued:

Date of issuance: November 21, 2002 Date amended: December 17, 2002

(Signature) Acting Manager, Seattle Aircraft Certification Office (Title)

## Every issue (1)

- December 17, 2002: Amended, Current. [certificate](https://openairdocs.org/files/sha256/56/a0/56a02f93d73cb4754b4d226a5b5a77dfedcc0af588f55ee83c201f5e2e36167c)

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