# STC SA389SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Signature Flight Support Corporation, United States
- Description: Installation of windshield with modified Learstar sliding side cockpit windows.
- Applied: May 21, 1964
- Status date: August 31, 2000
- Product: Aircraft, Large Airplane
- Certification basis: Part 21
- Data sheets: [TCDS A-723](https://openairdocs.org/tcds/A-723)
- Certificate PDF: https://openairdocs.org/files/sha256/d4/2d/d42d30905e16774dabe842a4c56ba39feb1dd8c67d6c8d883ca91e17d94cbd67
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/2F4036D3FA8B3F6C86257DF000539D1D.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA389SW

## ADs that name it (0)

None.

## Approved models (1)

- Lockheed Martin Aeronautics Company 18 ([TCDS A-723](https://openairdocs.org/tcds/A-723))

## 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.

JBepartment of "^Transportation - JJfeocral Rotation ^Aomimstratton Certificate SA389SW signature Flight Support Corporation, a Delaware Corporation 7511 Lemmon Avenue, Hangar C Dallas, TX 75209 Civil Air 723 Lockheed 18 Installation of windshield with modified Learstar sliding side cockpit windows according to Howard Aero Report 395 Revision A dated 5/19/64, or later FAA approved revision.

Compatibility of this modification with other previously approved modifications must be determined by the installer.

21, 1964 25, 1964 . 9/4/92; 12/21/98; 8/31/00 February 25, 1982 Rev. 6 (Signature) S. Frances Cox Manager, Special Certification Office, Southwest Region (Title)

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) (Number and street j (City, Slate, and JJP code) from (Name of grantor) (Print or type) (Address of grantor) (Number and streetj (City, State, and %1P code) Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

## Every issue (1)

- August 31, 2000: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/d4/2d/d42d30905e16774dabe842a4c56ba39feb1dd8c67d6c8d883ca91e17d94cbd67)

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