# STC SA512SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Martin Slone, United States
- Description: Installation of metal ribs and metal covering of wings.
- Applied: December 17, 1964
- Status date: August 23, 2016
- Product: Aircraft, Small Airplane
- Certification basis: Part 3, Part 21
- Data sheets: [TCDS 2A10](https://openairdocs.org/tcds/2A10), [TCDS AR-7](https://openairdocs.org/tcds/AR-7)
- Certificate PDF: https://openairdocs.org/files/sha256/f9/a5/f9a557581fd325275eed43f2e1e9ccc7495003284c9ddaebd6d025eec8433527
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/91BD9255BDAC141D86258018006D8760.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA512SW

## ADs that name it (0)

None.

## Approved models (3)

- Lavia Argentina S.A. (Laviasa) PA-25 ([TCDS 2A10](https://openairdocs.org/tcds/2A10))
- Lavia Argentina S.A. (Laviasa) PA-25-235 ([TCDS 2A10](https://openairdocs.org/tcds/2A10))
- Piper Aircraft Inc. PA-18A (Restricted) ([TCDS AR-7](https://openairdocs.org/tcds/AR-7))

## 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.

FAA Form 8110-2 (5/14) Page 1 of 3

Number: SA512SW Reissued on August 23, 2016 to supersede the original STC, which has been lost or misplaced

This certificate issued to: Martin Slone 401 Lakeview Dr.

Oldsmar, FL 34677

Part 3/ and 21.25 of the Civil Air Regulations.

Original Product – Type Certificate Number: 2A10, AR-7 Make: Piper Model: PA-25; PA-25-235; PA-18, PA-18A

Installation of metal ribs and metal covering of wings in accordance with Installation Instructions titled “Installation of Stamped Type Metal Ribs and Metal Skin on Fabric Covered Piper Wings” Revised March 7, 1967: Drawing 101 dated December 17, 1964 with correction “A”; Drawings 102, 103, and 104;

and Drawings 101B dated November 29, 1966, and supplement to Parts List dated November 29, 1966.

Date of Application: December 17, 1964 Date Reissued: June 25, 2003; August 23, 2016 Date of Issuance: April 07, 1965 Date Amended: 12/20/66; 3/14/67; 3/12/79 Rev. 3

Signature Christina Underwood, Manager Atlanta Aircraft Certification Office

FAA Form 8110-2 (5/14) 2of 3 United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate

Transfer the ownership of Supplemental Type Certificate Number: SA512SW

To (Name and address of transferee)

From (Name and address of grantor)

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number:SA512SW

FAA Form 8110-2 (5/14) 2of 3

Limitations and Conditions: (Continued);

1. STC SA500SW Wing Tip Installation and Extended Aileron is required.

2. Eligible only on aircraft certificated in restricted category, except Piper PA-18 eligible under CAR 3 when STC SA673SW is installed.

3. Modification to be made only at the facilities of the applicant.

4. Compatibility of this designed change with previously approved modifications must be determined by the installer. 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.

-END-

## Every issue (2)

- August 23, 2016: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/f9/a5/f9a557581fd325275eed43f2e1e9ccc7495003284c9ddaebd6d025eec8433527)
- June 25, 2003: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/8d/91/8d91fa6c15509b6a752e2e5a31f8a5079871d20fb0c2932dcc6f3b329c30e9c5)

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