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55 Baron IO-520 (w/o air)

Manufacturer: Beechcraft
Aircraft Model(s): 55 Baron
Applicable Engines: IO-520-C, IO-520-CB

PDF: 55 Baron IO-520 (w/o air)

Base Kit Includes:

QTY DESCRIPTION ITEM #
2 Polished Spinners C-3567-1P
1 STC Paperwork SA773CE
2 3-Bladed Propellers PHC-C3YF-2UF/FC7663-2R

 

Options:

DESCRIPTION ITEM # NOTES

 

BEECH BARON w. IO-520 ENGINES

Applicable Models:
95-C55, 95-C55A, D55, D55A, E55, E55A

Specifications:
76 inch diameter 3-bladed, aluminum hub propellers
2400 hour / 6 year TBO
89 pounds each (prop & spinner combined)
diameter reduction allowable to 74 inches

Replaces:
Hartzell BHC-C2YF-2CHUF/FC8475-6 78 in. dia. 2-bladed props
Diameter reduction allowable to 76 inches
2400 hour / 6 year TBO
71 pounds (prop & spinner combined)

McCauley C55 – 78 inch dia. 2-bladed propellers
64 pounds (prop & spinner combined)
Diameter reduction allowable to 76 inches
1200-1500 hour / 5 year TBO

McCauley C75 – 76 inch dia. 3-bladed propellers
82 pounds each (prop & spinner combined)
No diameter reduction allowable
1200 hours / 5 year TBO

Advantages:
vs. 2-bladed props
Lower noise
Better take-off and climb performance
Improved appearance
Less blade erosion
Longer TBO
Current design (Mc threaded design obsolete)

vs. 3-bladed
Longer TBO
Diameter reduction allowable in event of tip damage
McCauley threaded designs obsolete

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Hartzell Propeller