# STC SE00648CH

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: International turbine Industries, United States
- Description: Convert AlliedSignal TFE731-3-1E/F/K engines to TFE731-3-2AP engines
- Applied: April 23, 1996
- Status date: March 5, 2013
- Product: Engine
- Certification basis: Part 21, Part 33
- Data sheets: [TCDS E6WE](https://openairdocs.org/tcds/E6WE)
- Certificate PDF: https://openairdocs.org/files/sha256/4c/c1/4cc163a1288c981f1e326fd38ca78cb720576a53cd0166f1fc4e90888a2e4d52
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/7D14371E0A4F2F3286257B3D006C399C.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SE00648CH

## ADs that name it (0)

None.

## Approved models (1)

- Honeywell International Inc. TFE731-3 ([TCDS E6WE](https://openairdocs.org/tcds/E6WE))

## 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.

Part 33 of the Federal Aviation Regulations. (See Type Certificate Data Sheet No. E6WE for complete certification basis.)

Convert AlliedSignal TFE731-3-1E/F/K engines to TFE731-3-2AP engines in accordance with Priester Aviation Conversion Drawing List PR731DL, dated April 1, 1997 and Alliance Engine Conversion Instruction AESTC10, Section 4, Revision Orig. or later FAA approved revision.

1. TFE731-3-2AP engines are flat rated to match TFE731-2-2B engines performance.

2. Compatibility of this design change with previous modifications must be determined by the installer.

3. A copy of this certificate must be maintained as pa rt of the permanent records for the modified aircraft.

4. If the holder agrees to permit another person to use th is certificate to alter the product, the holder shall give the other person written evidence of that permission.

International turbine Industries 2890 Tyler Road Ypsilanti, MI 48189 E6WE

AlliedSignal

TFE731-3-1E/F/K Make :

Date reissued : June 21, 2007; December 6, 2012 March 5, 2013 Date amended :

By direction of the Administrator Original Signed By:

Timothy Smyth

( Signature) Timothy Smyth Manager, Propulsion and Program Management Branch Chicago Aircraft Certification Office

( Title)

Date of application : April 23, 1996

Date of issuance : April 2, 1997

## Every issue (2)

- March 5, 2013: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/4c/c1/4cc163a1288c981f1e326fd38ca78cb720576a53cd0166f1fc4e90888a2e4d52)
- December 6, 2012: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/c7/55/c755242e8cebc14960ec87612ba30ef98708bb3bf47d77d29aa545e913a33dc7)

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