Limitations Flashcards
Vmo (max operating speed)
226 KIAS
Va (Maneuvering Speed)
169 KIAS
Vfe approach (Flaps approach)
184 KIAS
Vlo extension (Landing gear extension)
182 KIAS
Vlo retraction (landing gear retraction)
163 KIAS
Vmca (Minimum control airspeed (red line))
80 KIAS
Vyse (Single-engine best rate of climb (blue line))
108 KIAS
Vx Best angle of climb
101 KIAS
Vy Best rate of climb
112 KIAS
Max Continuous Torque
training = 1250 ft-lbs
actual = 1315 ft-lbs
N1% (Gas Generator Tachometer %)
a. low idle
a. 58%
N1% (Gas Generator Tachometer %) high idle
70 %
N1% (Gas Generator Tachometer %) takeoff and max continuous
101.5%
N1% (Gas Generator Tachometer %) transient
102.6%
N1% (Gas Generator Tachometer %) reverse
88%
ITT (Interstage Turbine Temperature)
engine start
1090 deg C for two seconds
ITT (Interstage Turbine Temperature)
low idle
660 deg C
ITT (Interstage Turbine Temperature)
takeoff and max continuous
695 deg C
ITT (Interstage Turbine Temperature)
Transient
825 deg C
Oil Pressure
lower red line
40 psi
Oil Pressure
yellow arc
40 to 80 psi
Oil Pressure
green arc
80 to 100 psi
Oil Pressure
transient
200 psi
Primary Governor
1800 to 2200 rpm
Overspeed Governor
2288 rpm
Reverse Prop Limitations
2100 rpm time limited for one minute
Min battery volt for engine start
23V
Less than 23V but equal or greater than 20V
External power start
Less than 20 V
replace or recharge battery
External Power Limits
a. regulated at 28.2 V +/- 0.2 V
b. 1000 amperes momentarily
c. 300 amperes continuously
N1
gas generator rpm is percent of turbine speed
N2
propeller rpm
P3
air pressure at station 3 (source of bleed air)
ITT
Interstage Turbine Temperature in degrees Celsius