# STC ST00188BO

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Pratt & Whitney Engine Services Inc., United States
- Description: Installation of Pratt & Whitney Engine Services, Inc. Data Transmission Unit.
- Applied: October 10, 2002
- Status date: October 22, 2007
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21, Part 25
- Data sheets: [TCDS A55NM](https://openairdocs.org/tcds/A55NM)
- Certificate PDF: https://openairdocs.org/files/sha256/14/82/1482154576c12a0f8f60aeec86955f4e50c996e606b9a7e2e2f8ab866cd354b1
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/2827FDAFBB834B3F8625738D0077A1E5.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/ST00188BO

## ADs that name it (0)

None.

## Approved models (1)

- Fairchild Dornier GmbH 328-300 ([TCDS A55NM](https://openairdocs.org/tcds/A55NM))

## 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 : A55NM Make : Fairchild Dornier GmbH

Model : 328-300

Installation of Pratt & Whitney Engine Services, Inc. Data Transmission Unit in accordance with Pratt & Whitney Engine Services, Inc. Data Transmission Unit Installation Manual, Document No. DTU-G-010-1, Revision -, dated September 2, 2003, and Document No. DTU-G-010-1/A, Revision A, dated December 15, 2003, or later FAA-approved revisions.

1. Instructions for Continued Airworthiness (ICA), Pratt & Whitney Engine Services, Inc. Document No. DUT-G-260-1, Revision -, dated September 2, 2003, and Document No. DTU-G-260-1/A, Revision -, dated September 2, 2003, or later FAA accepted 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 : October 10, 2002

Date of issuance : December 18, 2003 Date reissued : October 22, 2007

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

( Title)

## Every issue (1)

- October 22, 2007: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/14/82/1482154576c12a0f8f60aeec86955f4e50c996e606b9a7e2e2f8ab866cd354b1)

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