# STC SA1-569

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: D'Shannon Products Ltd., United States
- Description: Installation of Continental IO-470-J engine (fuel injection) and Hartzell BHC-92ZF-lDl / 8447 propeller in accordance with Stauffer drawing No. 7 dated May 2, 1961, and Stauffer Flight Manual Supplement No. 7, FAA approved May 5, 1961.
- Applied: February 20, 1961
- Status date: June 17, 2011
- Product: Aircraft, Single-Engine
- Certification basis: Part 3, Part 21
- Data sheets: [TCDS A-777](https://openairdocs.org/tcds/A-777)
- Certificate PDF: https://openairdocs.org/files/sha256/92/57/92577f0b96cd7a6bc7c4c4f3259d85e102edd1c9708810916f63fbc61014ff7b
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/5BC3C32D94484E5E8625792000726CBA.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1-569

## ADs that name it (0)

None.

## Approved models (8)

- Hawker Beechcraft Corporation 35R ([TCDS A-777](https://openairdocs.org/tcds/A-777))
- Hawker Beechcraft Corporation A35 ([TCDS A-777](https://openairdocs.org/tcds/A-777))
- Hawker Beechcraft Corporation B35 ([TCDS A-777](https://openairdocs.org/tcds/A-777))
- Hawker Beechcraft Corporation C35 ([TCDS A-777](https://openairdocs.org/tcds/A-777))
- Hawker Beechcraft Corporation D35 ([TCDS A-777](https://openairdocs.org/tcds/A-777))
- Hawker Beechcraft Corporation E35 ([TCDS A-777](https://openairdocs.org/tcds/A-777))
- Hawker Beechcraft Corporation F35 ([TCDS A-777](https://openairdocs.org/tcds/A-777))
- Hawker Beechcraft Corporation G35 ([TCDS A-777](https://openairdocs.org/tcds/A-777))

## 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.

Part 3 of the Civil Air Regulations.

(See Aircraft Specification No. A-777 for complete certification basis.)

Original Product--Type Certificate Number: A-777 Make: Beech Model: A35, B35, C35, D35, E35, F35, G35, and 35R Description of Type Design Change:

Installation of Continental IO-470-J engine (fuel injection) and Hartzell BHC-92ZF-lDl / 8447 propeller in accordance with Stauffer drawing No. 7 dated May 2, 1961, and Stauffer Flight Manual Supplement No. 7, FAA approved May 5, 1961.

1. This approval should not be extended to other aircraft of this model 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 adverse effect upon the airworthiness of that aircraft.

2. If the holder agrees to permit another person to use th is certificate to alter the product, the holder shall give the other person written evidence of that permissi on, and that written evidence must be maintained in the aircraft’s permanent records.

D’Shannon Products, Ltd.

1309 County Road 134 Buffalo, MN 55313

Date of application : February 20, 1961

Date of issuance : May 5, 1961

Date reissued : March 27, 1986; March 3, 1987;

March 15, 2011, June 17, 2011

By direction of the Administrator Original Signed By:

Timothy Smyth

( Signature) Timothy Smyth Manager, Propulsion Branch Chicago Aircraft Certification Office

( Title)

## Every issue (2)

- June 17, 2011: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/92/57/92577f0b96cd7a6bc7c4c4f3259d85e102edd1c9708810916f63fbc61014ff7b)
- March 15, 2011: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/fb/ba/fbba897a8669949ac1e7eaca811ea51ab7e1649a072f465d478eb9b96e815544)

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