# STC SE02538AK

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: TAE Aerospace (CTEC), United States
- Description: Modification of Honeywell TPE331-12JR-702TT engine
- Applied: July 8, 2020
- Status date: August 15, 2022
- Product: Engine
- Certification basis: Part 21, Part 21, Part 21, Part 21, Part 21, Part 21, Part 21, Part 33
- Data sheets: [TCDS E4WE](https://openairdocs.org/tcds/E4WE)
- Certificate PDF: https://openairdocs.org/files/sha256/38/1e/381e4c631b98e95923b501be6cffd820d1f739416455fc90ee5f5ff803a1ce48
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/F63D3C3BE488DBCD862588A2004FBD07.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SE02538AK

## ADs that name it (0)

None.

## Approved models (1)

- Honeywell International Inc. TPE331-12JR ([TCDS E4WE](https://openairdocs.org/tcds/E4WE))

## 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.

**14 CFR 21.120)**

FAA Form 8110-2 (06/20) SUPERSEDES PREVIOUS EDITION PAGE 1 OF 3

Number: SE02538AK This certificate issued to:

Modification of Honeywell TPE331-12JR-702TT engine in accordance with Aero Twin document 900-702TT-INST, Issue 1, dated July 8, 2020, or later FAA approved revision, to allow installation on Textron (Cessna) 208B aircraft modified with STC SA02291AK.

1. Engine modification is for temporary installations only, and limited to 400 hours time in service before being replaced by an engine specified by STC SA02291AK.

2. Engine limited to 900 SHP while installed on aircraft. Section 5 Performance data from FAA Approved Airplane Flight Manual Supplement, Doc. No. 900-AFMS, Rev. B, dated June 11, 2012, or later FAA approved revision, is required to be used in lieu of Section 5 from Doc. No. 950-AFMS.

(Limitations and Conditions Continued on Page 3 of 3)

TAE Aerospace (CTEC) 7879 E Beck Lane Scottsdale, AZ 85260

Original Product Type Certificate Number: E4WE

Make: Honeywell Model: TPE331-12JR-702TT

Date of application: July 8, 2020

Date of issuance: July 10, 2020 Date reissued: August 15, 2022

August A. Asay Title: Manager, Anchorage ACO Branch

Part 33 of Federal Aviation Regulations.

**14 CFR 21.120)**

FAA Form 8110-2 (06/20) SUPERSEDES PREVIOUS EDITION PAGE 2 OF 3

Number: SE02538AK

Transfer Endorsement Transfer the ownership of Supplemental Type Certificate Number: SE02538AK

**14 CFR 21.120)**

FAA Form 8110-2 (06/20) SUPERSEDES PREVIOUS EDITION PAGE 3 OF 3

(Continuation Sheet) Date of application: July 8, 2020 Date of issuance: July 10, 2020 Date reissued: August 15, 2022

Number: SE02538AK

Limitations and Conditions: (Continuation from Page 1 of 3)

3. For Instructions for continued Airworthiness reference Maintenance Manual for Cessna 208 and 208B Aircraft Equipped with Honeywell TPE331-12JR Engine, Doc. No. 850-MM, Revision, J, dated November 12, 2013, or later FAA accepted revision.

4. All other Limitations and Conditions of STC SA02291AK are unchanged by this modification.

5. Compatibility of this modification with other FAA approved modifications, on the specific engine being altered, must be evaluated by the installer.

## Every issue (1)

- August 15, 2022: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/38/1e/381e4c631b98e95923b501be6cffd820d1f739416455fc90ee5f5ff803a1ce48)

---
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.