# STC SR00227BO

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Pratt & Whitney Engine Services Inc., United States
- Description: Installation of Altair Avionics Corporation Digital Aircraft Data Acquisition System ADASd
- Applied: June 20, 2005
- Status date: October 22, 2007
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21, Part 27
- Data sheets: [TCDS H7EU](https://openairdocs.org/tcds/H7EU)
- Certificate PDF: https://openairdocs.org/files/sha256/c4/cb/c4cb9251268e4fcd63ecdbdb18dbcfca83149b2366d99914b6042ff373e41cf5
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/C8C7C9954E363AFC8625738E0057FE50.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SR00227BO

## ADs that name it (0)

None.

## Approved models (1)

- Agusta S.p.A. A109E ([TCDS H7EU](https://openairdocs.org/tcds/H7EU))

## 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 27 of the Federal Aviation Regulations.

Original Product Type Certificate Number : See attached FAA Approved Model List (AML), Document No. DAAS-T- 225-1, Revision A, dated February 21, 2006, or later FAA-approved revision for the list of approved rotorcraft models and applicable airworthiness regulations.

Installation of a Pratt & Whitney Engine Services, Inc. Digital Aircraft Data Acquisition System ADASd, in accordance with instructions listed in attached AML DAAS-T-225-1, Revision A, dated February 21, 2006, or later FAA-approved revision.

1. Pratt & Whitney Engine Services, Inc. Aircraft Flight Manual Supplement, Document No. DAAS-T-250-3, Revision A, dated February 21, 2006, or later FAA-approved revision, is required and must be carried in the aircraft during all flights.

2. Instructions for Continued Airworthiness (ICA) as listed in AML DAAS-T-225-1, Revision A, dated February 21, 2006, or later FAA-approved revision, shall be made available to the operator at the time of installation.

3. Compatibility of this design change with previously approved modifications must be determined by the installer.

(See Continuation Sheet 2 of 2) 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 20, 2005

Date of issuance : February 21, 2006 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 SR00227BO

Limitations and Conditions (Cont’d):

4. Required maintenance, as prescribed in the applicable airframe or engine Instructions for Continued Airworthiness, shall not be predicated on the data obtained from the Pratt & Whitney Engine Services, Inc. monitoring/recording system.

5. This system shall not be used to supersede or replace the pilot’s responsibility to monitor and record engine exceedance information.

….END….

## Every issue (2)

- October 22, 2007: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/c4/cb/c4cb9251268e4fcd63ecdbdb18dbcfca83149b2366d99914b6042ff373e41cf5)
- February 21, 2006: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/ab/3b/ab3be728b5548e35a660c1f2aac15da6c039483160afb6bb5738dd7e6abd26b5)

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