# STC SA8828SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Sierra Industries Ltd., United States
- Description: Installation of inertial reel assembly on pilot and co-pilot shoulder harnesses.
- Applied: November 29, 1993
- Status date: July 14, 2017
- Product: Aircraft, Small Airplane
- Certification basis: Part 21, Part 23
- Data sheets: [TCDS A27CE](https://openairdocs.org/tcds/A27CE)
- Certificate PDF: https://openairdocs.org/files/sha256/ab/a7/aba7b2e2c1cb355145886f42b437b45ffdd57b9b33da3ea444bd6090f6430717
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/A3F7DB7A93E36657862587210051647D.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA8828SW

## ADs that name it (0)

None.

## Approved models (2)

- Textron Aviation Inc. 501 ([TCDS A27CE](https://openairdocs.org/tcds/A27CE))
- Textron Aviation Inc. 551 ([TCDS A27CE](https://openairdocs.org/tcds/A27CE))

## 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: SA8828SW

Part 23 of the Federal Aviation Regulations.

Original Product – Type Certificate Number: A27CE Make: Cessna Model: 501, 551 Description of Type Design Change:

Installation of inertial reel assembly on pilot and co-pilot shoulder harnesses in accordance with Sierra Industries Inc., drawing list no. SI220-000, Rev. A, dated March 28, 1994 or later FAA approved revision.

Compatibility of this modification with previously installed equipment must be determined by 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: November 29, 1993 Date Reissued: July 21, 2005; July 14, 2017 Date of Issuance: March 28, 1994 Date Amended:

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: SA8828SW

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/ab/a7/aba7b2e2c1cb355145886f42b437b45ffdd57b9b33da3ea444bd6090f6430717)
- July 21, 2005: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/bb/5a/bb5ad61651c16aaf61530fd4ab7eab76b2c7e469aee918143edb070bd2e30b72)

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