# STC SA891WE

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Atlas Aviation Inc, United States
- Description: Installation of toe brakes in accordance with Atlas Aviation, Inc. Installation Instructions No. 03155.
- Applied: February 8, 1965
- Status date: March 18, 1965
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 1A15](https://openairdocs.org/tcds/1A15)
- Certificate PDF: https://openairdocs.org/files/sha256/fd/03/fd03567218adbe6972731fb46d92aba4d8f27db5a6fe9a2b3d87773c4fd12672
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/06948629974868D78625787100570824.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA891WE

## ADs that name it (0)

None.

## Approved models (2)

- Piper Aircraft Inc. PA-24 ([TCDS 1A15](https://openairdocs.org/tcds/1A15))
- Piper Aircraft Inc. PA-24-250 ([TCDS 1A15](https://openairdocs.org/tcds/1A15))

## What the certificate says

This is OCR from the scanned FAA certificate. OCR can misread letters and numbers.

108-A-218 Box 90086 718-402

FEDERAL AVIATION AGENCY Supplemental Type Certificate

**1. NAME AND ADDRESS OF APPLICANT FORM APPROVED, BUDGET BUREAU NO. 04-R015**

**INSTRUCTIONS - SUBMIT IN TRI PLICATE TO LOCAL FAA FLIGHT STANDARDS INSPECTOR.**

**COPY WILL BE RETURNED TO APPLICANT UPON**

ISSUANCE Supplemental Type Certificate APPLIED FOR:

Atlas Aviation Inc.

8505 Montview Blvd.

Denver, Colorado

**AIRCRAFT ENGINE PROPELLER**

ORIGINAL MODEL DESIGNATION PIPER PA-24, PA-24-250 NEW MODEL DESIGNATION (If desired) None

3. DESCRIPTION OF CHANGE Installation of toe brakes in accordance with Atlas Aviation, Inc. Installation Instructions No. 03155, LIMITATION OF APPLICABILITY. This approval should not be extended to other specific airplanes of these models on which other previously approved modifications are incorporated unless it is determined that the interrelationship between this change and any of those other previously approved modifications will introduce no adverse effect upon the airworthiness of that airplane.

Certification Basis: CAR 3.

WILL DATA BE AVAILABLE FOR SALE OR RELEASE TO OTHER PERSONS? YES NO

b. WILL PARTS BE MANUFACTURED FOR SALE (Ref. CAR 1.55)? & YES NO

5. SIGNATURE AND TITLE OF APPLICANT Alful I Hartualig Alfred T. Hattersly.

SIGNATURE Febuary 8, 1965 Service Mana ger Date of Application: TITLE

6. To be Completed by FAA

NATURE AND LOCATION OF DATA Atlas Aviation, Inc. Installation Instructions No. 03155.

Data are on file in the Aircraft Engineering Division, FAA, Western Region, Los Angeles, California.

ORIGINAL TYPE CERTIFICATE NO. FAA APPROVAL 1A15 Original signed by Supplemental Type Certificate NO. Rocco L. Lippis Charles R. Hawks SIGNATURE SA891WE

DATE OF APPROVAL Chief, Aircraft Engineering Division March 18, 1965 TITLE * U.S. GOVERNMENT PRINTING OFFICE: 1959 0-509657 FORM FAA-2417 (5-59)

## Every issue (1)

- March 18, 1965: Issued, Current. [certificate](https://openairdocs.org/files/sha256/fd/03/fd03567218adbe6972731fb46d92aba4d8f27db5a6fe9a2b3d87773c4fd12672)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.