# STC ST00239BO

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Pratt & Whitney Engine Services Inc.
- Description: Installation of Pratt & Whitney Engine Services, Inc. Data Transmission Unit (DTU).
- Status date: October 22, 2007
- Data sheets: A13NM
- Certificate PDF: https://openairdocs.org/files/sha256/12/3b/123bd1da59f3b15116bc68bbb1f6b3eecf0e224b188aa71646e16b1443595e55
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/B694B5CEEB6E48C48625738E0059D2F1.0001
- Page: https://openairdocs.org/stc/ST00239BO

## ADs that name it

None.

## Approved models (1)

- Bombardier Inc. DHC-8-300 Series (TCDS A13NM)

## 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.

249 Vanderbilt Ave.

Norwood, MA 02062

Part 25 of the Federal Aviation Regulations.

Original Product Type Certificate Number : See attached FAA Approved Model List (AML), Document No. DTU-T-225- 2, Revision -, dated July 11, 2006, or later FAA-approved revision for the list of approved aircraft models and applicable airworthiness regulations.

Installation of Pratt & Whitney Engine Services, Inc. Data Transmission Unit (DTU) in accordance with installation instructions listed in attached AML DTU-T-225-2, Revision -, dated July 11, 2006, or later FAA-approved revision

1. Instructions for Continued Airworthiness (ICA) as listed in AML DTU-T-225-2, Revision -, dated July 11, 2006, or later FAA- approved revision, shall be made available to the operator at the time of installation.

2. 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 : March 9, 2006

Date of issuance : July 11, 2006 Date reissued : October 22, 2007

( Signature) Robert G. Mann Manager, Boston Aircraft Certification Office

( Title)

## Every issue (2)

- October 22, 2007: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/12/3b/123bd1da59f3b15116bc68bbb1f6b3eecf0e224b188aa71646e16b1443595e55)
- July 11, 2006: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/20/a4/20a4a0791decf6d6b32cde2eb706d66cd672de3178c6aaa67f09834b1b9c41ec)

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From OpenAirDocs.org, an independent open copy of FAA data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.