# STC SA2-511

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Signature Flight Support Corporation, United States
- Description: Installation of wheel well doors.
- Applied: May 7, 1958
- 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/sha256/89/df/89df1f3ff1fdafe0abfcd7f311918b7c5763a3f1033cdccca2fb999e07460def
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/01F2FF70F57C621B85256CC10083D499.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA2-511

## 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.

JHmtch gitatec 09f America uf transportation - jA-fatation ,Alnmm0i:rattcn e (Uerttftcate SA2-511 Signature Flight Support Corporation, a Delaware Corporation 7511 Lemmon Avenue, Hangar C Dallas, TX 75209 SR407 Civil Air 723 Lockheed 18 Installation of wheel well doors in accordance with drawings called out on DAS Drawing List titled "Landing Gear Doors Installation" Revision 2 dated 3/1/60 (5 sheets), or later FAA approved revision.

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

.•May 07, 1958 .L, - November 24, 1959 .-6/15/92; 12/21/98; 8/31/00 .•June 02, 1982 Rev. 7 (Signature) S. Frances Cox Manager, Special Certification Office, Southwest Region

Fftfl Form 6110-2(10-68) Pags 1 o( 2 This certificate awy be transferred in accotdance tflth FAR 21.47.

INSTRUCTIONS The transfer endorsement helow may be used to notify the appropriate FAA Regional Office of ihc transfer of [his Supplemental Type Certilk ate.

The f-'AA will reissue the errtifirale in ihc name of ihr Iransfcrre anti forward i! to him

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) (Number and ll'tel) (City, Slalr, and £IP todtl from (Mame of grantor) (Print or type) (Address of grantor) rimkn aid itrttt} (City, Stale, anil J^IP todr!

Signature of grantor (In ink):.

**C FAA AC 89-3538**

## Every issue (1)

- August 31, 2000: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/89/df/89df1f3ff1fdafe0abfcd7f311918b7c5763a3f1033cdccca2fb999e07460def)

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