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CESSNA
208, 208A, 208B
CARAVAN
TOP PROP PERFROMANCE
CONVERSIONS

STC Number

SA02181AK

Applicable Aircraft

Engines

208, 208A, 208B

PT6A-114, -114A

 STC Kit Contents

Number

1 3-Bladed Propeller
1 Polished Spinner
1 STC Document Set

HC-B3TN-3AF / T10890CN(K)-2
D4897-P
SA02181AK

Specifications:

Propeller Part Number
Number of Blades
Blade Design
Weight increase (approx.)

Maximum Diameter
Minimum Diameter
TBO

HC-B3TN-3AF
3
T10890CN(K)-2
29.7 lbs. Heavier than the McCauley C703
12 lbs. Heavier than the Hartzell HC-B3MN
106 in.
104 in.
3000 hrs / 5 years
(whichever occurs first)

Options:

Electric De-Ice

5E2715-1

Replaces

McCauley C703 - 106 inch diameter 3 bladed prop
Diameter reduction allowable to 104 inches
Weight of propeller = 117.0 lbs.
4000 hour / 6 year TBO

Hartzell HC-B3MN
No diameter reduction allowable
Weight of propeller = 134.7 lbs.
Spinner = 9.0 lbs.
De-ice = 2.8 lbs.

Advantages:

Climb and cruise performance are as good as or slightly better than the McCauley C703 (+25 ft / min, +3 kts measured)
Take off distance, unchanged
Substantial material for blade repairs
Most repairable blade available for the Caravan

Notes:

Approved for landplane and seaplane.
Standard installation of propeller, de-ice brushes / bracket.
Common electrical hardware not included in the de-ice kit.