# STC SA8436SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Sierra Industries Ltd., United States
- Description: Installation of Pratt & Whitney Canada JT15D-18 engines.
- Applied: April 6, 1992
- 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/sha256/3b/e7/3be7c742e0ced646523734d82092a76431c2bcaf05d05b02ca94e9d8e71defe0
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/BAECCBA21043BECE862587210050C15D.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA8436SW

## 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: SA8436SW

Part 25 of the Federal Aviation Regulations.

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

Installation of Pratt & Whitney Canada JT15D-1B engines, in accordance with Sierra Industries, Inc. Drawing List No.

14-10000, dated June 8, 1992, or later FAA approved revision.

Compatibility 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. FAA approved Flight Manual Supplement, dated 9/2/92, or later FAA approved revision is required.

Maximum operating altitude is limited to 35,000 feet for S/N 0001 thru 0213 and 0234. This STC was found to be compatible with Eagle modification, STC SA645NW.

Date of Application: April 06, 1992 Date Reissued: July 21, 2005; July 31, 2017 Date of Issuance: September 02, 1992 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: SA8436SW

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/sha256/3b/e7/3be7c742e0ced646523734d82092a76431c2bcaf05d05b02ca94e9d8e71defe0)
- July 21, 2005: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/9d/84/9d84400f1e46a0dc7e37d6507657e4880896e10ed57d8bded0b0de1ec2bb5b7c)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.