# STC ST00263BO

- 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 (DTU)
- Applied: June 13, 2007
- Status date: October 22, 2007
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21, Part 25
- Data sheets: [TCDS T00012WI](https://openairdocs.org/tcds/T00012WI)
- Certificate PDF: https://openairdocs.org/files/sha256/59/a8/59a84b6c53ecfa71465fcad3b34ff32741d1de57e90cfd6ed8b849b6957ae8ef
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/2FFFCFE2EBA727A78625738D007838B6.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/ST00263BO

## ADs that name it (0)

None.

## Approved models (1)

- Cessna Aircraft Company 680 ([TCDS T00012WI](https://openairdocs.org/tcds/T00012WI))

## 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 : T00012WI Make : Cessna Aircraft Company

Model : 680 Sovereign

Installation of Pratt & Whitney Engine Services, Inc. Data Transmission Unit (DTU) in accordance with Pratt & Whitney Engine Services, Inc. Master Document List DTU-T-100-6, Revision C, dated September 19, 2007, or later FAA-approved revision. Pratt & Whitney Engine Services, Inc. Installation Instructions DTU-G-010-5 is applicable to this installation.

1. Instructions for Continued Airworthiness (ICA), DTU-G-260-5, Revision A, dated July 31, 2007, or later FAA accepted revision, shall be made available to the operator at the time of installation.

2. The installer must determine whether this design change is compatible with previously approved modifications.

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 : June 13, 2007

Date of issuance : October 2, 2007 Date reissued : October 22, 2007

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

( Title)

FAA Form 8110-2-1(10-69) Page 2 of 2

Number ST00263BO

Certification Basis:

Model 680 Sovereign

Based on 14 CFR § § 21.115 and 21.101, the certification basis for the Installation of Pratt & Whitney Engine Services, Inc. Data Transmission Unit (DTU) in Cessna Aircraft Company Model 680 Sovereign is as referenced on TCDS T00012WI, Revision 5, dated August 15, 2006.

….END….

## Every issue (2)

- October 22, 2007: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/59/a8/59a84b6c53ecfa71465fcad3b34ff32741d1de57e90cfd6ed8b849b6957ae8ef)
- October 2, 2007: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/78/0c/780cc474ce46e5cb15310e4dfc6a874f36efde6fa760b89586f900771683288b)

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