# STC SA805NW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Sierra Industries Ltd., United States
- Description: Installation of an engine cover storage box.
- Applied: July 12, 1979
- Status date: July 31, 2017
- Product: Aircraft, Small Airplane
- Certification basis: Part 21, Part 25
- Data sheets: [TCDS A22CE](https://openairdocs.org/tcds/A22CE)
- Certificate PDF: https://openairdocs.org/files/sha256/59/e0/59e0b3813ca398777821ed72cea1d2ef75dc0bcddcef2807135fddbbc0f293a0
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/C10E8492A00348AE8625871F00069BAA.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA805NW

## ADs that name it (0)

None.

## Approved models (1)

- Textron Aviation Inc. 500 ([TCDS A22CE](https://openairdocs.org/tcds/A22CE))

## 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 31, 2017 to supersede the original STC, which has been lost or misplaced.

Number: SA805NW

Part 25 of the Federal Aviation Regulations.

Original Product – Type Certificate Number: A22CE Make: Cessna Model: 500

Installation of an engine cover storage box in accordance with Top Drawing No. 500 -002.

Data pertaining to this modification are considered inadequate for duplication in other aircraft. This approval is limited to the installation in Cessna 500, Serial Number 0002 only. A copy of this Certificate shall be maintained as part of the permanent records for the modified aircraft. Compatibility of this design change with previously approved modifications 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: July 12, 1979 Date Reissued: 12/10/81; 10/10/86; 9/8/05; 7/31/17 Date of Issuance: July 12, 1979 Date Amended:

Signature

Title Jim Grigg Manager, Fort Worth A CO Branch, Compliance & Airworthiness Division 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: SA805NW

To (Name and address of transferee)

From (Name and address of grantor)

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA18NW

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

## Every issue (2)

- July 31, 2017: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/59/e0/59e0b3813ca398777821ed72cea1d2ef75dc0bcddcef2807135fddbbc0f293a0)
- September 8, 2005: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/7e/5e/7e5e7a5adc88ebde88478cd7386dddf3e66f90f024c946ab05bcd9c14b7ebe1c)

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