# STC SA5934SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Sierra Industries Ltd., United States
- Description: Convert hydraulic nose gear door actuating system to mechanical system.
- Applied: September 28, 1984
- Status date: July 14, 2017
- Product: Aircraft, Small Airplane
- Certification basis: Part 3, Part 21
- Data sheets: [TCDS 3A21](https://openairdocs.org/tcds/3A21)
- Certificate PDF: https://openairdocs.org/files/sha256/dd/8e/dd8ebb13e422ea859bd19a6ccd9f71f85ca4739258d198c2c0c244777b289bcf
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/8F0751D8840DABA986258721004D9E9E.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA5934SW

## ADs that name it (0)

None.

## Approved models (7)

- Textron Aviation Inc. 210K ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Textron Aviation Inc. 210L ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Textron Aviation Inc. 210M ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Textron Aviation Inc. P210N ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Textron Aviation Inc. T210K ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Textron Aviation Inc. T210L ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Textron Aviation Inc. T210M ([TCDS 3A21](https://openairdocs.org/tcds/3A21))

## 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 (5/14) Page 1 of 2

Reissued on July 14, 2017 to supersede the original STC, which has been lost or misplaced.

Number: SA5934SW

Part 3 of the Civil Air Regulations.

Original Product – Type Certificate Number: 3A21 Make: Cessna Model: 210K, L, M, T210K, L. M, P210N Description of Type Design Change:

Convert hydraulic nose gear door actuating system to mechanical system in accordance with Drawing List SI 210-000, dated March 14, 1990 and DCN 1 dated May 15, 1990 against drawing SI 210-100 or later FAA Approved Revision.

Airplane Flight Manual Supplement (AFMS) dated May 25, 1990 is required. Compatibility of this modification with previously installed equipment must be determined by the installer. If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission.

Date of Application: September 28, 1984 Date Reissued: July 21, 2005; July 14, 2017 Date of Issuance: May 10, 1985 Date Amended: May 25, 1990 Rev. 1

Signature

Title James A. Grigg Manager, Fort Worth Aircraft Certification Office , Southwest Region Sierra Industries, Ltd.

122 Howard Langford Drive Uvalde, TX 78801

FAA Form 8110-2 (5/14) Page 2 of 2

Transfer the ownership of Supplemental Type Certificate Number: SA5934SW

To (Name and address of transferee)

From (Name and address of grantor)

FAA Form 8110-2 (5/14) Page 3 of 2

## Every issue (2)

- July 14, 2017: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/dd/8e/dd8ebb13e422ea859bd19a6ccd9f71f85ca4739258d198c2c0c244777b289bcf)
- July 21, 2005: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/68/8e/688eb6d291ce954b4df6f2fa60be19044606f56c8c8c250302ead6eaf8f5e91c)

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