# STC SA2-220

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Signature Flight Support Corporation, United States
- Description: Cockpit side windows enlarged and structure altered.
- Applied: May 17, 1957
- 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/sha256/85/e1/85e19f6a823d34bede819f7fd46dbc15caa10020494a929bc8639294dc46ccfd
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/8ACE97125EFEA2CF85256CC10083D458.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA2-220

## 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.

3Smtt& ^latta ©f America JBepartmmt of ^Transportation - ,3fe0Eral .Afaiatton (AirmuitBtrait0n Certificate SA2-220 Signature Flight Support Corporation, a Delaware Corporation 7511 Lemmon Avenue, Hangar C Dallas, TX 75209 4a Civil Air 723 Lockheed 18 The cockpit side windows enlarged and structure altered as shown on EA.S Dwg.

No. 342541 dated 5/15/57, or later FAA approved revision.

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

.-May 17, 1957 -August 16, 1957 6/15/92; 12/21/98; 8/31/00 -1/27/81; 6/30/82 Rev. 2 S. Frances Cox, Manager, Manager, Special Certification Office, Southwest Region Any 'Iteration of fMa csrtlficJt* Ja punishable by a fin* of not exeffdlnq $1,000, Of lnpr.fJOIwnt not ng 3 ye*rs, or both.

FA* Form 6110-2(10-68) Paqs 1 of 2 ay t* transferred In jccorcjemcr* with FAfl 2J

INSTRUCTIONS. i he transfer t-ndorsemcrii below may he used to notify the appropriate FAA Regional Office of I he iransfer of [his Supplemental Type Certificate.

The FAA will reissue the rertinYaTe m the name ol the iransferee and forward it to him.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address nf transferee) (Number and street) , State, and £IP code/ from (Name of grantor) (Print or type) (Address of grantor) fWumtitr and street) (City, Slate, and ?JP < Extent of Authority (if licensing agreement):.

Signature of grantor (In ink):

**C FAA AC 69-5538**

## Every issue (1)

- August 31, 2000: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/85/e1/85e19f6a823d34bede819f7fd46dbc15caa10020494a929bc8639294dc46ccfd)

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