Limitations Flashcards
Oil temp
Max inflight/Time
85-100 C 5 min
Oil temp
Normal range
60-85 C
Oil temp
Min for takeoff
40 C and increasing
Oil temp
Min for start and warm up
-40 C
Engine oil pressure
Max start/warmup
100 psi
Engine oil pressure
Normal range/ flux
50-60 psi +/- 10
Engine oil pressure
Min LSGI
> 50 if norm at 100%
Gearbox oil pressure
Max start/warm up
> 250 psi
Gearbox oil pressure
Normal range/flux
150-250 psi
+/- 20
Gearbox oil pressure
Min LSGI
50 psi
Gearbox oil pressure
Min for mission continuation
130 psi
Props
Prop brake disengage
23% or starter engage
Props
Cyclical variation
+/- .5
1% total
Props
Feather blade angle
92.5 deg
Props
Pitchlock range
25-55 deg
Props
Pitchlock rpm
103%
Props
Maintain rpm in Pitchlock
96-98%
Props
To unlock Pitchlock
Incr angle a couple deg
Props
Low pitch stop blade angle
23 deg
Props
Low pitch stop test
> 200 lb increase
Props
Prop oil quantity
26 quarts
Props
Prop oil sump capacity
6.5 quarts pressurized side
Props
Prop low oil light
2 quarts low on pressurized side
Props
Torque to decouple
-6000 inlbs
Props
Prop aux pump limit
1 min on 1 min off not to exceed 2 min in 30 min period
Props
Static feather check time
25 sec
Props
NTS operates at
-1260 +/- 600 inlbs
Props
Blade angle reverse
-6 to -8 deg
Throttle position
Reverse
0 to 18 deg
Throttle position
LSGI
9 to 30 deg
Throttle position
Ground idle/beta range
18 deg
0 to 34
Throttle position
Flight idle/ alpha range
34 deg 34 to 90 deg
Throttle position
Crossover for TD
65 deg
Bleed air sys
Diffuser temp/press
600 F/ 125 psi
Bleed air sys
Eng min output press OVRD
70 psi
Bleed air sys
Ground check time eng
65-35 psi >16 sec
Bleed air sys
APU min output press
35 psi
Bleed air sys
Ground check time APU
30-15 psi >16 sec
Bleed air sys
Regulated output
45 psi
Bleed air sys
Regulators must be w/in
3 psi
Pressurization
Gauge range
-1.2 to 15.8 inhg
Pressurization
Safety valve opens at
-.76 / 15.9 inhg
Pressurization
Controller nominal pressure
15.16 inhg
Pressurization
Windshield cracked half pane
10 inhg
Pressurization
Cargo cracked 1 pane
10 inhg
Pressurization
Cargo cracked 2 panes
0 inhg
Pressurization
Rate control min, mid, max rates
30-200
900
1600-2900
Pressurization
Crew door jett press
Less than 3.1 inhg
Engine torque
Oil temp less than 0 C
Minimum
Engine torque
Oil temp 0 to 40 C
4500 inlbs
Engine torque
Max continuous
19,600 inlbs
Engine TIT
norm continuous range
200-1010
Engine TIT
Takeoff range/ time
1067-1083, 5 min
Engine TIT
Military pwr / time
1049, 30 min
Engine TIT
Climb/ max continuous
1010
Engine TIT
Accel peak limits
> 1083 5 sec
1175 at all
Over temp insp
Engine TIT
Crossover
800-840
Engine TIT
Normal limiting
1083
Engine TIT
Max down speed TIT
850
Engine TIT
Number of thermocouples
18, 2 elements ea
Engine TIT
Bad thermocouple temp degrade
3.5 to 22 deg
Engine RPM
Oil press by
35%
Engine RPM
Normal flight/ takeoff
98-102%
Engine RPM
Norm flight idle ground
92.5 to 100.5 %
Engine RPM
Normal ground idle
94 to 102%
Engine RPM
Max reverse
96 to 106%
Engine RPM
LSGI
69 to 75.5 %
Engine RPM
Ignition relay on / off
16% on
65% off
Engine RPM
Feather air start if no nts by
10%
Engine RPM
Air start light off norm/max
30%
40% Max
Engine RPM
Speed sensitive valve actuate
94%
Engine RPM
Speed of engine / prop
13,820
1,021
Gearbox reduction ratio
13.54 to 1
Oil temp
Max/taxi time
85-100 C 30 min
First aid kits on board/ # stations
6
23 stations
oxygen ports on flight deck/ total
6
10 total
Min lox
5 L or ETP
Lox
Full/ empty
25 L full
2.5 L low light on
Oxygen
Pressure range no flow
270 - 455
Oxygen
Pressure w/ continuous flow
270 - 340
fire extinguishers
4
Fire extinguisher pressure
125 +/- 50
Emergency exit light illuminates at
2.5 G decel force or loss of ess DC
of portable oxygen bottles
4
Max weight windmill taxi
135,000 lbs
Takeoff weight & Max EWP
155,000 lbs
175,000 lbs
DC Electrical
Voltage range
25 - 30
DC Electrical
Max DC load
1.03
DC Electrical
DC power sources
Batt, 4 TR’s, electrical power
Batt voltage norm / min
24 V
21 V
Voltage close/ open batt relay
18 v close
12 v open
AC electrical
Freq range
380 - 420 cps
AC electrical
Voltage range
110 - 125
AC electrical
Max AC load
1.05
AC electrical
Gen caution (out) light on
Any phase below 95 for 4 sec
AC electrical
Bus caution (out) light
Avg phase below 96 or any phase below 100
Oil quantity
Capacity range
4 - 12 gal
Oil quantity
Expansion space
7.5 gal
Oil quantity
After neg G monitor for
2 min
Pressure return after neg G w/in
10 sec or ESP
Loss of oil press after neg G w/in
30 to 90 sec
Hydraulic System
Eng pump normal/ Max
2900 - 3200
3500
Hydraulic System
Aux/ emergency normal and Max
2900 - 3300
3500
Hydraulic System
Shutdown if press > than
3900
Hydraulic System
LSGI Minimum press
2550 psi
Hydraulic System
Aileron boost press
2050 psi
Hydraulic System
Low press light on/ off
1000 psi
1350 psi
Hydraulic System
Suct boost light on
20
Hydraulic System
Thermal CB open
11 amp
Hydraulic System
Utility reservoir capacity
4.3 gal
Hydraulic System
Booster reservoir capacity
3.1 gal
Hydraulic System
Aux reservoir capacity
5.3 gal
Hydraulic System
Norm brakes 2 applications left
2900 - 3200
Hydraulic System
Normal brakes 1 application left
2250
Hydraulic System
Emergency accumulator preload
1000 +/- 100
Hydraulic System
Utility/booster brake preload
1500 +/- 100
Hydraulic System
Loss of system pressure checklist
Below 2500
