Installation of two Hartzell HC-B3TN-3B/T10178B-10Q propellers on PA-31T PA-31T airplanes equipped with PWC PT6A-28 and PT6A-11 engines.
Installation of two Hartzell HC-B3TN-3B/T10178B-10Q propellers on PA-31T PA-31T airplanes equipped with PWC PT6A-28 and PT6A-11 engines.
Please contact modification supplier for further details.
STC Status: Amended
STC Date: 06/02/86
Responsible Office: Seattle Aircraft Certification Office (ANM-100S), Tel: (425) 917-6400
Piper Aircraft, Inc.