What it approves
Install Pratt & Whitney Canada PT6A-25C engine and Hartzell HC-B3TN-2/T10178(N)-8R propeller.
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.
FAA Form 8110-2 (5/14) Page 1 of 2
Reissued on July 31, 2017 to supersede the original STC, which has been lost or misplaced.
Number: SA8323SW
Part 23 of the Federal Aviation Regulations.
Original Product – Type Certificate Number: A50EU Make: Pilatus Model: PC-7
Install Pratt & Whitney Canada PT6A-25C engine and Hartzell HC-B3TN-2/T10178(N)-8R propeller in accordance with Sierra Industries Inc. Drawing List No. SI-110-000, Rev. A, dated January 30, 1991, or later FAA approved revision.
Compatibility of this modification with previously installed equipment 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. FAA approved Flight Manual Supplement, dated March 16, 1992, or later FAA approved revision is required. Hartzell propeller diameter limits are 93 to 91 inches. The Hartzell propeller blades must be retired after 3000 hours of operation.
Date of Application: December 26, 1989 Date Reissued: July 21, 2005; July 31, 2017 Date of Issuance: March 16, 1992 Date Amended:
Signature
Title Jim Grigg Manager, Fort Worth A CO Branch, Compliance & Airworthiness Division Sierra Industries, Ltd.
122 Howard Langford Drive Uvalde, TX 78801
FAA Form 8110-2 (5/14) Page 2 of 2
Transfer the ownership of Supplemental Type Certificate Number: SA8323SW
To (Name and address of transferee)
From (Name and address of grantor)
United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA18NW
FAA Form 8110-2 (5/14) Page 3 of 3
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 |
|---|---|---|
| Pilatus Aircraft Limited | PC-7 | A50EU |
Every issue · 2
DRS keeps each issue of an STC as its own record, with its own certificate and attachments.
| Date | Status | Files |
|---|---|---|
| July 31, 2017 | Reissued, current | Certificate |
| July 21, 2005 | Reissued, earlier issue | Certificate |