# STC SA891SO

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: D'Shannon Products Ltd., United States
- Description: Remove existing windshield and install single piece windshield.
- Applied: March 5, 1976
- Status date: August 16, 2011
- Product: Aircraft, Single-Engine
- Certification basis: Part 3, Part 21
- Data sheets: [TCDS 1A15](https://openairdocs.org/tcds/1A15), [TCDS A1EA](https://openairdocs.org/tcds/A1EA)
- Certificate PDF: https://openairdocs.org/files/sha256/6f/67/6f671ed89c75ce5ca988ca5439d77f4e27070b3891b837221b6b18d68cf6fe27
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/C3523C524B80CBFE862578F800480227.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA891SO

## ADs that name it (0)

None.

## Approved models (5)

- 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))
- Piper Aircraft Inc. PA-24-260 ([TCDS 1A15](https://openairdocs.org/tcds/1A15))
- Piper Aircraft Inc. PA-24-400 ([TCDS 1A15](https://openairdocs.org/tcds/1A15))
- Piper Aircraft Inc. PA-30 ([TCDS A1EA](https://openairdocs.org/tcds/A1EA))

## 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.

This certificate issued to

Part 3 of the Civil Regulations.

Remove existing windshield and install single piece windshield in accordance with Beryl D’Shannon Aviation Specialties, Inc. Drawings 1600-40 dated February 23, 1976, and 1600-41 dated February 26, 1976.

This approval should not be extended to other aircraft of the above models on which other previously approved modifications are incorporated unless it is determined by the installer that the interrelationship between this change and any of those other previously approved modifications will introduce no adversely affect upon the airworthiness of that aircraft.

D’Shannon Products, Ltd.

1309 County Road 134 Buffalo, MN 55313 Original Product --Type Certificate Number: 1A15 Piper PA-24 through PA-24-400; A1EA Piper PA-30 Make: Piper Model : Pa-24, PA-24-250, PA-24-260, PA24-400, PA-30 Date reissued : August 16, 2011

Date amended : April 27, 1976

( Signature)

Melvin D. Taylor, Manager Atlanta Aircraft Certification Office

(Tl ) Date of application : March 5, 1976

Date of issuance : March 25, 1976

Transfer the ownership of Supplemental Type Certificate Number

to (Name of transferee)

(Address of transferee) (Number and Street)

(City, State, and ZIP code)

from (Name of grantor) (Print or type)

(Address of grantor) (Number and Street)

(City, State, and ZIP code)

Signature of grantor (In ink):

## Every issue (1)

- August 16, 2011: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/6f/67/6f671ed89c75ce5ca988ca5439d77f4e27070b3891b837221b6b18d68cf6fe27)

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