SA02670CH: McCauley 1A175GM Propeller Installation (150/160 hp)
Install this 82″ climb propeller and feel a rush! This propeller allows the aircraft to climb like never before. A favorite of floatplane operators and operators in the bush. Valid pitches are 40″-45″, with a diameter range of 82″-80.5″. If your aircraft is on floats this modification is a must!
The STC is for paperwork only. The aircraft must have a Lycoming O-320 150hp or 160 hp engine and meet the ground clearance requirements set forth in the FAR’s. Installation of 8:50 tires with conventional landing gear or installation on floats will normally yield the required clearance.
Applicable models are all Piper PA-22 and PA-20 aircraft.