# STC SA197NW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: D'Shannon Products Ltd., United States
- Description: Installation of Clark three- light gear position indicator system.
- Applied: June 30, 1973
- Status date: June 17, 2011
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A15](https://openairdocs.org/tcds/3A15), [TCDS 3A16](https://openairdocs.org/tcds/3A16), [TCDS A-777](https://openairdocs.org/tcds/A-777)
- Certificate PDF: https://openairdocs.org/files/sha256/bf/d5/bfd58e2f9ba93cf54ccd96434e59faa945d7362d10b213c4485a891ca3276efd
- Approved model list and other attachments: [SA197NW-AML.pdf](https://openairdocs.org/files/sha256/46/15/4615b3031ddf024f5215c92b4aec1498db7639152fe6a41b3ba0553020b11f0d)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/58D4C81A980720B3862578D3004ACF38.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA197NW

## ADs that name it (0)

None.

## Approved models (48)

- Hawker Beechcraft Corporation 35 ([TCDS A-777](https://openairdocs.org/tcds/A-777))
- Hawker Beechcraft Corporation 35-33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Hawker Beechcraft Corporation 35-A33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Hawker Beechcraft Corporation 35-B33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Hawker Beechcraft Corporation 35-C33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Hawker Beechcraft Corporation 35-C33A ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Hawker Beechcraft Corporation 35R ([TCDS A-777](https://openairdocs.org/tcds/A-777))
- Hawker Beechcraft Corporation 56TC ([TCDS 3A16](https://openairdocs.org/tcds/3A16))
- Hawker Beechcraft Corporation 95 ([TCDS 3A16](https://openairdocs.org/tcds/3A16))
- Hawker Beechcraft Corporation 95-55 ([TCDS 3A16](https://openairdocs.org/tcds/3A16))
- Hawker Beechcraft Corporation 95-A55 ([TCDS 3A16](https://openairdocs.org/tcds/3A16))
- Hawker Beechcraft Corporation 95-B55 ([TCDS 3A16](https://openairdocs.org/tcds/3A16))
- Hawker Beechcraft Corporation 95-B55A ([TCDS 3A16](https://openairdocs.org/tcds/3A16))
- Hawker Beechcraft Corporation 95-B55B ([TCDS 3A16](https://openairdocs.org/tcds/3A16))
- Hawker Beechcraft Corporation 95-C55 ([TCDS 3A16](https://openairdocs.org/tcds/3A16))
- Hawker Beechcraft Corporation 95-C55A ([TCDS 3A16](https://openairdocs.org/tcds/3A16))
- Hawker Beechcraft Corporation A35 ([TCDS A-777](https://openairdocs.org/tcds/A-777))
- Hawker Beechcraft Corporation A56TC ([TCDS 3A16](https://openairdocs.org/tcds/3A16))
- Hawker Beechcraft Corporation B35 ([TCDS A-777](https://openairdocs.org/tcds/A-777))
- Hawker Beechcraft Corporation B95 ([TCDS 3A16](https://openairdocs.org/tcds/3A16))
- Hawker Beechcraft Corporation B95A ([TCDS 3A16](https://openairdocs.org/tcds/3A16))
- 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 D55 ([TCDS 3A16](https://openairdocs.org/tcds/3A16))
- Hawker Beechcraft Corporation D55A ([TCDS 3A16](https://openairdocs.org/tcds/3A16))
- Hawker Beechcraft Corporation D95A ([TCDS 3A16](https://openairdocs.org/tcds/3A16))
- Hawker Beechcraft Corporation E33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Hawker Beechcraft Corporation E33A ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Hawker Beechcraft Corporation E33C ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Hawker Beechcraft Corporation E35 ([TCDS A-777](https://openairdocs.org/tcds/A-777))
- Hawker Beechcraft Corporation E55 ([TCDS 3A16](https://openairdocs.org/tcds/3A16))
- Hawker Beechcraft Corporation E55A ([TCDS 3A16](https://openairdocs.org/tcds/3A16))
- Hawker Beechcraft Corporation E95 ([TCDS 3A16](https://openairdocs.org/tcds/3A16))
- Hawker Beechcraft Corporation F33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Hawker Beechcraft Corporation F33A ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Hawker Beechcraft Corporation F33C ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Hawker Beechcraft Corporation F35 ([TCDS A-777](https://openairdocs.org/tcds/A-777))
- Hawker Beechcraft Corporation G33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Hawker Beechcraft Corporation G35 ([TCDS A-777](https://openairdocs.org/tcds/A-777))
- Hawker Beechcraft Corporation H35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Hawker Beechcraft Corporation J35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Hawker Beechcraft Corporation K35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Hawker Beechcraft Corporation M35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Hawker Beechcraft Corporation N35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Hawker Beechcraft Corporation P35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Hawker Beechcraft Corporation S35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Hawker Beechcraft Corporation V35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Hawker Beechcraft Corporation V35A ([TCDS 3A15](https://openairdocs.org/tcds/3A15))

## 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 8110-2-1(10-69) PAGE 1 of 3 PAGES

Number SA197NW

This certificate issued to

Part * of the * Regulations.

Description of Type Design Change: Installation of the Clark Tree-Light Gear Position Indicator System in accordance with Clark CTLB-1 Installation Instructions.

Limitations and Conditions: Approval of this change in type design applies basically to the models listed in MEL No.

SA197NW only. This approval should not be extended to other aircraft 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, including changes in type design, will introduce no adverse effect upon the airworthiness of that aircraft.

This certificate and the supporting data, which is the basis for approval, shall remain in effect until surrendered, suspended, revoked or a termination date is otherwise established by the Administrator of the Federal Aviation Administration.

D’Shannon Products, Ltd.

1309 County Road 134 Buffalo, MN 55313 *See attached Master Eligibility List (MEL) No. SA197NW for list of approved airplane models and applicable air-worthiness regulations Make :

Date reissued : June 12, 1980, June 6, 2011, June 17, 2011

( Signature) Steven Lardinois Manager, Systems & Flight Test Branch Chicago Aircraft Certification Office

(Title) Date of application: June 30, 1973

Date of issuance : July 17, 1975

Reissued June 12, 1980

Limitations and Conditions: (Continued from Page 1 of 3)

A copy of this Certificate, FAA Approved Master Eligibility List (MEL) No. SA197NW, and Harold M. Clark Drawing and Installation Instructions No. CTLB-1shall be maintained as part of the permanent records for the modified aircraft.

…END…

### SA197NW-AML.pdf

FAA APPROVED MASTER ELIGIBILITY LIST NUMBER SA197NW for

**INSTALLATION OF CLARK THREE-LIGHT**

GEAR POSITION INDICATOR SYSTEM BERYL D’SHANNON AVIATION SPECIALTIES, INC.

Issued Date: July 17, 1975

Page 1 of 1

**ORIGINAL TYPE**

**CERTIFICATION**

**FAA SEALED**

**DRAWING/DRAWING LIST**

AFM

AML

**ITEM**

**AIRCRAFT MAKE**

**AIRCRAFT MODEL**

**CERTIFICATE NUMBER**

**BASIS FOR**

**ALTERATION**

**NUMBER**

**REV.**

**SUPPLEMENT NO. / DATE**

AMENDMENT DATE 1 Beech

35, A35, B35, C35, D35, E35, F35, G35, 35R

A-777 CAR 03, November 13, 1945 CTLB-1

A B C

10-21-75 12-10-75 12-10-75 2 Beech

35-33, 35-A33, 35- B33, 35-C33, 35- C33A, E33, E33A, E33C, F33, F33A, F33C, G33, H35, J35, K35, M35, N35, P35,S35, V35, V35A

3A15 CAR 03, as amended May 15, 1956 CTLB-1

A B C 10-21-75 12-10-75 12-10-75

3 Beech 95, B95, B95A, D95A, E95, 95-55, 95-A55, 95-B55, 95-B55A, 95- B55B, 95-C55, 95- C55A, D55, D55A, E55, E55A, 56TC, A56TC 3A16 CAR 03, as amended May 15, 1956, and para.

23.1385(c),

23.1387(a) CTLB-1

A B C 10-21-75 12-10-75 12-10-75

- END -

FAA Approved:__________________________ Steven Lardinois Manager, Systems & Flight Test Branch Chicago Aircraft Certification Office Reissued: June 12, 1980, June 6, 2011,

## Every issue (1)

- June 17, 2011: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/bf/d5/bfd58e2f9ba93cf54ccd96434e59faa945d7362d10b213c4485a891ca3276efd), [SA197NW-AML.pdf](https://openairdocs.org/files/sha256/46/15/4615b3031ddf024f5215c92b4aec1498db7639152fe6a41b3ba0553020b11f0d)

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