# STC SA01852SE

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Flight Doctor West LLC, United States
- Description: Installation of a Honeywell TPE331-14GR-801Z engine and Hartzell Propeller Model HC-B5MA-5H/M11693NS
- Applied: June 3, 2008
- Status date: December 16, 2008
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21, Part 23
- Data sheets: [TCDS A19SW](https://openairdocs.org/tcds/A19SW)
- Certificate PDF: https://openairdocs.org/files/sha256/7d/00/7d005601dc5fb1f84a3afa07f7ac802a1f8b7ac3c51eaf78d0aa425371d5f475
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/8AF83E7B3EF44C308625753E007636F8.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA01852SE

## ADs that name it (0)

None.

## Approved models (1)

- Air Tractor Inc. AT-802A ([TCDS A19SW](https://openairdocs.org/tcds/A19SW))

## 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.

Number SA01852SE

This certificate, issued to Flight Doctor West, LLC 4716 Hubler Lane Caldwell, ID 83605

Part 23 of the Federal Aviation Regulations.

Original Product⎯Type Certificate Number: A19SW Make: Air Tractor, Inc.

Model: AT-802A

Description of the Type Design Change: Installation of a Honeywell TPE331-14GR-801Z engine and Hartzell Propeller Model HC-B5MA-5H/M11693NS in accordance with Flight Doctor West, LLC, Master Drawing List MDL 1001, Rev. A, dated June 16, 2008.

Limitations and Conditions: Data pertaining to this modification are considered inadequate for installation of this modification on other aircraft. This approval is limited to the modification of Air Tractor, Inc., Model AT-802A aircraft, Serial No. 802A-0178, Reg. N173TA. The modified aircraft must be maintained in accordance with Flight Doctor West, LLC, document FDW-MM-802-14, “Instructions for Continued Airworthiness”. A copy of this certificate and FAA Approved Flight Manual Supplement FDW-FM-802-14, Revision A, dated December 5, 2008, must be maintained as part of the permanent records for the modified aircraft.

Note: The holder cannot use the descriptive data about this design to duplicate other products. This approval is limited to only the installation made in an Air Tractor 802A, serial number 802A-0178. This STC does not permit manufacturing of parts for multiple installations.

Date of application: June 3, 2008 Date reissued:

Date of issuance: December 16, 2008 Date amended:

(Signature)

Acting Manager, Seattle Aircraft Certification Office (Title)

## Every issue (1)

- December 16, 2008: Issued, Current. [certificate](https://openairdocs.org/files/sha256/7d/00/7d005601dc5fb1f84a3afa07f7ac802a1f8b7ac3c51eaf78d0aa425371d5f475)

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