Hartzell TOP PROP Sales:
303-665-7905

e-mail us at rockyprop@rockyprop.com

BEECH BONANZA, DEBONAIR
33, 35

TOP PROP PERFORMANCE
CONVERSIONS

STC Number SA818CE

 

Applicable Aircraft

Engines

35-33. 35-A33, 35-B33, 35-C33, E33, F33, G33, J35, D35, M35, N35, P35
*Note: A governor change may be required in some cases.

IO-470-C, -J, -K, -N

STC Kit Contents

Number

1 2-Bladed Propeller
1 Polished Spinner
1 Spinner Mounting Kit
1 STC Paperwork

BHC-L2YF-1BF / F8468AR
A2295-P
A2476-19
SA818CE

Specifications:

 

Propeller Part Number
Number of Blades
Blade Design
Installed Propeller & Spinner Weight
Maximum Diameter
Minimum Diameter
TBO

BHC-L2YF-1BF / F8468AR
2
Round
58 lbs.
84 in.
82.5 in.
2400 hrs/ 6 years
(whichever occurs first)

Options:

Continental Oil Plug 633189 req. for some IO-470-C, -N w. Beech props.

Replaces

 

Beech 273 / 278 - 82 inch dia. 2-bladed prop
69 - 73 pounds (prop & spinner)
Diameter reduction allowable to 81.5 inches
Some have no diameter reduction allowable

Flottorp F12A - 82-84 inch dia. 2-bladed prop
70 pounds (prop & spinner)
84 inch reducible to 82 inch diameter
82 inch reducible to 81.5, some no reduction allowed

McCauley C23 - 84 inch dia. 2-bladed prop
66 pounds (prop & spinner)
Oil fill requirement per AD 89-26-08
Diameter reduction allowable to 82 inches
1200 hours / 5 year TBO

McCauley C76 - 80 inch dia. 3-bladed prop
70 pounds (prop & spinner)
Diameter reduction allowable to 78.5 inches
1200 hours / 5 year TBO

Hartzell BHC-92ZF - 84 inch dia. 2-bladed steel hub prop
70 pounds (prop & spinner)
Diameter reduction allowable to 82 inches
500 hour inspection per AD 95-11-08
2000 hour / 5 year TBO

Hartzell A3VF - 80 inch dia. 3-bladed steel hub prop
94 pounds (prop & spinner)
400 hour inspection per AD 68-13-2
Clamp inspection/replacement per AD 85-14-10
Blade retention system inspection AD 97-18-02
Diameter reduction allowable to 78.25 inches

Advantages:

Longer TBO
Lower cost
Current design (Beech, Flottorp, McCauley threaded, Hartzell steel hub are obsolete)