Pilot's Operating Handbook
Section 1
General
Edition 1 - January 15, 2018
Rev. 0
Page 1.3.1
1.3 - Descriptive data
Engi
ne
Number of engines : 1
Engine manufacturer : PRATT & WHITNEY CANADA
Engine model number : PT6A - 66D
Engine type : Free turbine, reverse flow and 2 turbine sections
Compressor type : 4 axial stages, 1 centrifugal stage
Combustion chamber type : annular
Turbine type : 1 gas generator turbine stage, 2 power turbines stages
Horsepower rating and propeller speed : 850 SHP at 2000 RPM
Propeller
Number of propellers : 1
Propeller manufacturer : HARTZELL
Propeller model number : HC-E5N-3C / NC8834K
Number of blades : 5
Propeller diameter :
Minimum : 90 in (2.286 m)
Maximum : 91 in (2.311 m)
Propeller type : Adjustable constant speed, with feathering and hydraulic control
reverse
Propeller blade setting at station 30 in :
Low pitch : 19.5°
Feathering : 85°
Maximum reverse : - 9°
Propeller governor : 8210.007 WOODWARD