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ROCKWELL (GULFSTREAM)
(COMMANDER)
112, 112A, 112B

TOP PROP PERFROMANCE
CONVERSIONS

STC Number SA00499SE

Applicable Aircraft

Engines

112, 112A, 112B
*Note: The 112A designation does not appear on the STC documents. This is because the FAA designates both the "112" and "112A" models as just the "112" model aircraft. The "112A" designation was a marketing designation created by Rockwell which is not recognized by the FAA.

IO-360-C1D6(Lycoming)

 STC Kit Contents

Number

1 3-Bladed Propeller
1 Polished Spinner
1 STC Paperwork

HC-E3YR-1RF / F7392
C3535-1P
SA00499SE

Specifications:

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

HC-E3YR-1RF / F7392
3

80.5 lbs.
75 in.
73 in.
2400 hrs/ 6 years
(whichever occurs first)

Placards:

"Avoid continuous operation below 15" manifold pressure between 2050 and 2450 RPM"

Replaces

Hartzell HC-E2YR-1BF/F7666A

Advantages:

Better take-off and climb performance
Lower noise
Increased ground clearance
Less restrictive placard
Improved appearance
Compatible with RCM turbo-normalizing kit (STC SE5202NM)