# STC ST00238BO

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Pratt & Whitney Engine Services Inc., United States
- Description: Installation of Pratt & Whitney Engine Services, Inc. Digital Aircraft Data Acquisition System ADASd.
- Applied: March 9, 2006
- Status date: October 22, 2007
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21, Part 25
- Data sheets: [TCDS A13NM](https://openairdocs.org/tcds/A13NM)
- Certificate PDF: https://openairdocs.org/files/sha256/5b/bc/5bbc93acd1fd848717f80b9f532812e0c5e81359ada7f6de3cec7fc8637ef636
- Approved model list and other attachments: [ST00238BOAML.pdf](https://openairdocs.org/files/sha256/ff/85/ff855083fdda3c5d172c55ab33b3bd5c70ad6c0e165431a9c939b9d517934249)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/042C513E7D27FB8E8625738E00595DCD.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/ST00238BO

## ADs that name it (0)

None.

## Approved models (1)

- Bombardier Inc. DHC-8-300 Series ([TCDS A13NM](https://openairdocs.org/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. DAAS-T- 225-2, Revision A, 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. Digital Aircraft Data Acquisition System ADASd in accordance with installation instructions listed in attached AML DAAS-T-225-2, Revision A, dated July 11, 2006, or later FAA-approved revision.

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

2. Pratt & Whitney Engine Services, Inc. Aircraft Flight Manual Supplement, Document No. DAAS-T-250-4, Revision A, dated July 11, 2006, or later FAA-approved revision, is required and must be carried in the aircraft during all flights.

3. 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/sha256/5b/bc/5bbc93acd1fd848717f80b9f532812e0c5e81359ada7f6de3cec7fc8637ef636), [ST00238BOAML.pdf](https://openairdocs.org/files/sha256/ff/85/ff855083fdda3c5d172c55ab33b3bd5c70ad6c0e165431a9c939b9d517934249)
- July 11, 2006: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/88/6f/886fd32aa635b55a07ce5df4a6068c77a1e9bf83b17f732535a78c380903cda7), [ST00238BOAML.pdf](https://openairdocs.org/files/sha256/ff/85/ff855083fdda3c5d172c55ab33b3bd5c70ad6c0e165431a9c939b9d517934249)

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