81 inch diameter 2-bladed, aluminum hub propeller
2400 hour / 6 year TBO
Diameter reduction allowable to 80 inches
68 pounds each (propeller and spinner)
Placard – “Do not exceed 20 inches of manifold pressure between
2100 and 2250 rpm”
Hartzell HC-82XF-2 or HC-A2XF-2 – 84 to 78 inch diameter
2-bladed steel hub propellers
Diameter reduction allowable to 78 inches
72 pounds each (propeller and spinner)
Blade retention system inspection AD 97-18-02
1000 hour / 5 year TBO
McCauley C48 – 80 inch diameter 2-bladed propeller
Diameter reduction allowable to 78 inches
72 pounds each (propeller & spinner)
1200 hour / 5 year TBO
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