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
Overspeed governor test Prop RPM should be stabilized at:
1750+/-60RPM
Oil breather drain can you can have a maximum of___cc per hour
14cc per hour (with AC), 11cc/hr (without AC)
Fuel pump drain reservoir can have a maximum of ____cc oil and ____cc fuel per engine hour
3cc
20cc
starter generator functions as starter until__% Ng is reached
46%Ng
Alternator cannot provide more than __Amps
75Amps
When fuel pressure drops below __psi the fuel boost pump switches on
4.75psi
L Fuel Level Low means we have ___lbs of fuel remaining in that wing
170lbs (25gal)
RSVR FUEL Low we have approximately __seconds remaining with full power
90 seconds
The oil tank capacity is ___ quarts
9.5 quarts
Total oil in the system is ___quarts
14 quarts
Maximum operating altitude of the caravan is ___ft
25,000ft
Speeds
White arc
Green arc
Red line
50-125knots
63-175knots
175knots
Speeds Vso Vs1 Vr Vx Vapp Vy Va Vmo
50 63 70-75 72 80 104 (susi 105) 148 175
Va 9062lb 7500lb 6250lb 5000lb
143
137
125
112
What does a Open White Diamond on TCAS mean?
Proximity Advisory, less than 5NM and less than 1200ft vertical separation
Time limitation for transient torque of 1920ftlb for T/O
20 sec
What is the Va for 7500lb
137
SOP max ITT in cruise
700 deg celsius
SOP max ITT in climb
740 deg celsius
Maximum ITT on start up limited to
2 seconds
Full 675 SHP is only available above ___RPM
1800RPM
Usable fuel
1) With both tanks ON: ____gal = ____lbs
2) With one tank OFF: ____gal
332 Gal = 2224.4lbs
165gal
With regards to propeller RPM what is the limit when flying an ILS approach in G1000
Prop Max (Full forward) - 1900RPM
What is the minimum altitude for flying ILS approach without the flight diretor in G1000?
400ft
As per POH, what is the minimum altitude for autopilot use on an instrument approach?
200ft
As per POH, what is the minimum altitude for autopilot use when not on an instrument approach? (VFR approach)
800ft
Vg, Vref 9062lb 7500lb 6250lb 5000lb
Vg, Vref 9062lb 95 80 7500lb 90 75 6250lb 80 70 5000lb 70 70
When in cruise, Prop RPM 1800RPM or lower, maximum torque can be (POH)
1970ftlbs
Maximum reverse RPM
1825RPM
Maximum Transient RPM
2090ftlb
