Limits Flashcards
Max engine torque
19600 in/lbs
Engine torque when Oil temp <0
Minimum
Engine torque when oil temp is 0-40
4,500 in/lbs
Engine torque when oil temp is > 40
Up to 19600 in/lbs
Rpm ignition by: ___%
35%
Rpm oil pressure by ___%
35%
NTS limits
-1260 +/- 600 in/lbs
Decouple engine torque
-6000 in/lbs
Max differential between engine torque when reversing
1000 in/lbs between symmetricals
LSGI RPM%
69 - 75.5%
Ground idle RPM
94% - 102%
Flight Idle RPM
92.5% - 100.5%
Above flight idle RPM
98% - 102%
Max starting TIT w/ enrichment
<100
Max starting TIT prior to ground start/ airstart
< 200
Normal TIT start range
751 - 830
Record TIT temp low and continue
721 - 750
Record starting TIT high
830 - 850
Stop, 1 restart TIT
850 - 965
Starting TIT maintenance required
Below 721 above 965 or abnormal torch
Normal Engine TIT range
200 - 1010
Take off TIT max
1067 - 1083 for 5 minutes
Military takeoff
1049 for 30 minutes max
Max continuous/ climb TIT
1010
Max recommended climb TIT
970
Max recommended cruise TIT
932
Max downshift TIT and what do you do?
850, ground stop.
After landing LSGI
2 minutes
Normal engine oil capacity
4-12 gallons
Engine oil tank capacity
19.5 gallons
When does the engine oil capacity red box illuminate?
Less than 4 gallons
Normal engine oil operating temp.
60 - 85
Minimum starting oil temp
-40
Engine oil temp limits in flight
85 - 100 for 5 minutes
Engine oil temp limits on the ground
85 - 100 for 30 minutes
Normal engine oil pressure range
50-60 psi
Max start and warm up oil psi
100 psi
Engine oil pressure if in LSGI and if below 50 psi
Must be within limits at 100%
Max engine oil pressure fluctuation
10 psi 20 psi excursion
Normal geasrbox oil pressure
150 - 200 psi
Normal gearbox oil psi fluctuation
20 psi 40 psi excursion
Gearbox oil pressure minimum when in LSGI
As low as 50 psi
Engine generator rating in kVa
40 KVa
APU generator rating in KVa
40 KVa
AC electrical voltage range
110 - 125 volts
AC electrical Frequency
380 -420 hz
AC Eng/ APU load
0 - 1.05
Dc electrical voltage
25 - 30 volts
Dc electrical load
0 - 1.03
Normal Battery voltage
24 volts
Minimum battery voltage
21 volts
Co- Pilot inverter volt amps
250 volt amps
Ac instrument inverter
2,500 volt amps
Minimum APU bleed air psi
35 psi
Negative rotation, reduce bleed air to ___ psi
45 psi
Main tank fuel pump pressure
15 - 24 psi
Auxiliary tank fuel pump pressure
28 - 40 psi
Fuel dump pump pressure
28 - 40 psi
Engine low fuel pressure light illumintes at
< 8.5 psi
Aux tank empty light illuminates at
< 23 psi
External fuel tank empty light illuminates at
< 23 psi
Fuel valves power source
ESS DC
Fuel dump pump power source
MAIN AC
Main fuel pump power sources
LEMR
Fuel load check
500- 1000 lbs more in outboard than inboard
No more than 1500 between wings
No more than 1000 between symetricals
Recommended altitude for fuel dump
5000 ft AGL
Primary fuel management when
7500 lbs in outboards
6900 lbs in inboards
Considered empty from dump when
2100 outboards
1800 inboards
65 ext
0 aux
Fuel burn schedule
Aux first over water ext first over land
10% flaps speed
220 kts
20% flaps speed
210 kts
30% flaps speed
200 kts
40% flaps
190 kts
50% flaps speed
180 kts
60% flaps speed
165 kts
70% flaps speed
155 kts
80% flaps speed
150 kts
90% flaps speed
145 kts
100% flaps speed
145 kts
Landing gear max speed
165 kts
Landing lights max speed
250 kts
