System Limitations & SOP Flashcards
Know about the systems
Oil pressure ranges (PSI)
- Normal
- Oil Pressure Low
- Prop Feather
- Normal 85 to 105psi
- Below 40psi
- Below 15psi
ITT Temperatures
- Idle
- Max Cruise Susi & POH
- Max climb Susi & POH
- 5 Minutes Max
- Max transient
- Max starting Susi & POH
- Idle 685
- Max Cruise susi 700 poh 740
- Max climb susi 740 poh 765
- 5 Minutes Max 765-805
- Max transient 850 *2 sec
- Max starting susi 900 poh 1090
Oil Temp Range
- Minimum
- Max climb, cruise, reverse
- T/O, max cont.
- Transient
- Minimum (-40)
- Max climb, cruise, reverse (0-99)
- T/O, max continuous (10-99)
- Transient (0-104 *10 minutes)
Normal Prop RPM Cruise RPM - Regular & VIP Max Torque @1900RPM Max Torque @1800RPM or lower Max Transient Torque Reverse Thrust
1600-1900RPM 1750RPM & 1600RPM 1865ftlb 1970ftlb Susi - 1950ftlb 2400ftlb *20 sec POH 1 min, Susi 30 sec
100% Ng
- Compressor turbine
- Power turbine
101. 6%Ng - Compressor turbine
100% Ng
- Compressor turbine 37,500RPM
- Power turbine 33,000RPM
101. 6%Ng - Compressor turbine 38,100RPM
Max Ramp
Max T/O
Max LND
Max Tow
Max Ramp - 9097lb
Max T/O - 9062lb
Max LND - 9000lb
Max Tow - 8785lb
Battery Power Ext. Power (GPU) Standby Alternator Generator Voltmeter minimum readout - Battery start
Battery Power - 24V (45Amps)
Ext. Power - 28V (800-1700Amps)
Standby Alternator - 27.5V (75Amps)
Generator - 28V (200Amps)
Voltmeter minimum readout (24V)
- for engine start, it might cause a hot start if the battery does not have enough power
Starting:
Battery Limitations
Ext. Power (GPU)
Battery Limitations 30s ON, 60s OFF 30s ON, 60s OFF 30s ON, 30min OFF Ext. Power (GPU) 20s ON, 120s OFF 20s ON, 120s OFF 20s ON, 60min OFF
Take off Torque and ITT
1800ftlb for RWY longer than 1.5 x T/O Dist
.1865ftlb for RWY shorter than 1.5 x T/O Dist
ITT never exceed 805 deg celsius
Torque red line and RPM
1900RPM @ 1865ftlb
1800RPM @ 1970ftlb
Autopilot Minimum: Engagement altitude on T/O Disengagement altitude for MDA/DA Disengagement VFR approach Disengagement IFR approach
Minimums
Engagement altitude on T/O————————400ft
Disengagement altitude for MDA/DA————-@MDA/DA
Disengagement VFR approach———————800ft
Disengagement IFR approach———————-200ft
Flap Extension speeds
Max T/O flap ext.
Flaps 10—————-Susi 135 PoH 175
Flaps 20—————Susi 125 PoH 150
Flaps FULL(30)—————-Susi 100 PoH 125
Max T/O flap ext.——–Flaps 20
Fuel Planning
VFR …………………………………… Fuel to destination +400lbs
IFR with alternate ……………… Fuel to destination + fuel to alternate+ 400lbs
IFR with no alternate ………….. Fuel to destination + 600lbs
Minimum Stable Altitudes
IMC
VMC
IMC—————1000ft
VMC————–300ft
Max. Cargo Pod floor Loading
Max. Cabin floor loading
30lbs/sqft - 1090lbs total
200lbs/sqft
Max angle of bank
Cargo
Passenger
60 degrees
30 degrees
max aft center of gravity
204.35inches (40.33%MAC)
What should the amperes be before tripping the generator?
30-60amps
Maximum load factor (G-load) POH
Max. Load factor with extender kit
+3.8 to -1.52 Gs
+3.36 to -1.34 Gs