# STC SA41AL

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Mathias Wesley W, United States
- Description: Six inch wheels and brakes.
- Applied: October 29, 1962
- Status date: March 7, 1963
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 1A2](https://openairdocs.org/tcds/1A2), [TCDS 1A4](https://openairdocs.org/tcds/1A4), [TCDS A-797](https://openairdocs.org/tcds/A-797)
- Certificate PDF: https://openairdocs.org/files/sha256/0b/79/0b79eb75c9280ab35a305ed545612fd678c7a2b19dede51cf576067f9d96d79f
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/74625A599DDEF215862575EE005AA00B.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA41AL

## ADs that name it (0)

None.

## Approved models (3)

- The New Piper Aircraft Inc. PA-14 ([TCDS A-797](https://openairdocs.org/tcds/A-797))
- The New Piper Aircraft Inc. PA-18 ([TCDS 1A2](https://openairdocs.org/tcds/1A2))
- The New Piper Aircraft Inc. PA-20 ([TCDS 1A4](https://openairdocs.org/tcds/1A4))

## What the certificate says

The certificate is a scan without a text layer; open the PDF to read it.

## Every issue (1)

- March 7, 1963: Issued, Current. [certificate](https://openairdocs.org/files/sha256/0b/79/0b79eb75c9280ab35a305ed545612fd678c7a2b19dede51cf576067f9d96d79f)

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From OpenAirDocs.org, an independent open copy of FAA and NTSB data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.