What it approves
Installation of Pratt & Whitney Canada PT6A-135A engines and Hartzell HC-E4N-3N/D8990SK propellers with B. F. Goodrich electric de-ice boots.
What the certificate says
From the PDF’s text layer, without the form’s printed wording. Layout and order may differ; the PDF is the record.
This certificate issued to: Blackhawk Modifications, Inc.
7601 Karl May Drive Waco, TX 76708
Part 3 of the Civil Air Regulations.
Original Product - Type Certificate Number: 3A20 Make: Raytheon Aircraft Co.
Model: C90
Installation of Pratt & Whitney Canada PT6A-135A engines and Hartzell HC-E4N-3N/D8990SK propellers with BF Goodrich electric de-ice boots in accordance with “Engine Installation No. 19651001,” Rev D, dated January 22, 2004 or later FAA approved revision and the Airplane Flight Manual Supplement dated January 30, 2004 or later FAA approved revision.
1) Compatibility of this design change with previously approved modification must be determined by the installer.
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.
3) The Pratt & Whitney Canada PT6A-135A engines are limited to 1520 ft-lbs torque or 550horsepower.
Date reissued: May 14, 2004; October 8, 2004; November 16, 2006; January, 12, 2012
Original signed by Steve Litke ( Signature) Steven C. Litke Program Manager Wichita Aircraft Certification Office (Title)
Date of application: July 15, 2003 Date of issuance: January 30, 2004
ADs that name this STC · 0
An AD can apply because an STC is installed, or mention one in its text.
Approved models · 1
| Make | Model | Data sheet |
|---|---|---|
| Hawker Beechcraft Corporation | C90 | 3A20 |
Every issue · 4
DRS keeps each issue of an STC as its own record, with its own certificate and attachments.
| Date | Status | Files |
|---|---|---|
| January 12, 2012 | Reissued, current | Certificate |
| November 16, 2006 | Reissued, earlier issue | Certificate |
| October 8, 2004 | Reissued, earlier issue | Certificate |
| January 30, 2004 | Issued, earlier issue | Certificate |