). The upper limit
represents the maximum permissible speed, with the
aps fully extended.
Green Arc 68 to 182
Normal Operating Range – The lower limit of the green
arc represents the stall speed at maximum gross
weight, at the most forward C.G., with aps retracted
(
). The upper limit is the maximum operating speed.
Red Line 182
The red line indicates the maximum speed for normal
ight operations.
Table 2-3 – Standby Airspeed Indicator Markings
2-4 POWERPLANT LIMITATIONS
Number of Engines..................................................................................... 1
Engine Manufacturer
..............................................Pratt & Whitney Canada
Engine Model Number....................................................................PT6A-34
Engine Operating Limits
.........................................................See Table 2-4
Fuel Grade and Approved Fuel Additives
....See “Section 1” of this manual
Oil Grade (Specication)
................................. Oil to be used must conform
to the current revision of Pratt & Whitney Canada “Service Bulletin Number
1001.” Refer to “Section 8” of this manual for a general listing of approved
engine oils. When adding oil, service the engine with the type and brand of
oil which is currently being used in the engine.
Number of Propeller Blades
....................................................................... 4
Propeller Manufacturer
............................................... Hartzell Propeller Inc.
Propeller Model Number (Hub/Blades)
............HC-E4N-3P(Y)/D9511FS(B)
Propeller Diameter (Min-Max)
..................................................95-96 inches
Propeller Blade Angles @ 30 inch station:
Feathered
.............................................................................. 86.1° ± 0.5°
Low Pitch
............................................................................... 17.5° ± 0.1°
Reverse Pitch
.......................................................................... -10° ± 0.5°
NOTE: At lower airspeeds, the calibrated and indicated airspeeds
diverge (47 KIAS = 60 KCAS). KIAS values are approximate and may not
be accurate at the stall.
CAUTION: Do not mix different types or brands of oil.