Cessna 421B, 421C

Manufacturer: Cessna
Aircraft Model(s): 421B, 421C
Applicable Engines: GTSIO-520-H, – L, -N

421B Kit Includes:

QTY	DESCRIPTION	ITEM #
2	3-Bladed Propellers	PHC-C3YD-2UF/FC9587DB-7
2	Polished Spinners	D-3273-4P
1	STC Document Set	SA10361SC

421C Kit Includes:

QTY	DESCRIPTION	ITEM #
2	3-Bladed Propellers	PHC-C3YN-2UF/FC9587DB-7
2	Polished Spinners	D-3273-4P
1	STC Document Set	SA10185SC

Applicable Models:

421B, 421C

Specifications:
90 inch dia. 3-bladed, aluminum hub prop
Diameter reduction allowable to 88 inches
2400 hour / 6 year TBO
92 pounds each (propeller and spinner)

Replaces:
McCauley C92, C501, C516 – 90 inch diameter 3-bladed prop
Diameter reduction allowable to 88 inches
88.5, 102.5, 91.9 pounds each (propeller & spinner)
1200 hour / 5 year TBO (C92), 2000 hours / 6 years (C501/C516)

Advantages:
Longer TBO
Top Prop Warranty to first overhaul

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