Limits and number Flashcards
1
Q
Normal inlet temperature with engine anti-icing on
A
68-88°C
2
Q
MGB normal oil temp
A
40-120°C
3
Q
ACC GB OIL PRESS light
A
7±1 PSI
4
Q
NGB OIL HOT light
A
121±5.5°C
5
Q
Overspeed Switch Test activates at what?
A
Activates overspeed test circuit at 95±2% Nf
6
Q
Brake limits
A
Utility System Unpressurized: Design Gross Weight on 10° Slope
Utility System Pressurized: @ Design Gross Weight on 20 degree slope
7
Q
How many thermocouples do we have?
A
14
8
Q
Dual point automatic release
A
200±50 pounds
9
Q
Maximum taxi speed
A
40 knots
10
Q
Underfrequency Protection
A
91-96% Nr with a time delay of 2-5 seconds
11
Q
To what Ng does the overspeed solenoid reduce to?
A
75% Ng
12
Q
When does the Utility Priority Valve close? Why?
A
Below 2,000 psi. This is in order to preserve pressure to the 2 STG T/R and AFCS Servo 2.
13
Q
Rearward Flight Limit
A
30 KIAS
14
Q
Supervisory panel limits
A
115±3 V, 400±20 Hz
15
Q
Ng Ground Idle, Normal Range, Transient Overspeed
A
Ground Idle: 60.5-70%
Normal:60.5-101.1
Overspeed: 102.9 for 30 seconds
16
Q
Heater Fuel consumption and tank
A
54 pounds per hour from No. 2 Left
17
Q
Quad Tach Maximum Indication
A
(Nf/Nr): 130%
18
Q
NATOPS Minimum Landing Fuel
A
1,200 pounds
19
Q
Number of Compressor Stages
A
14 Stages
20
Q
T5 416: Continuous/30 minutes/10 minutes
A
713/753/773°C
21
Q
Normal Fuselage Clearance to level ground
A
18”
22
Q
Individual capacity of each dual point hook
A
21,600 pounds
23
Q
NATOPS Recommended Slow Cruise Speed
A
115 KIAS
24
Q
External Loads Airspeed Limit
A
150 KIAS
25
AFCS hydraulic pressure (and source)
First Stage AFCS Servos: 1,000 psi from 2nd Stage Hydraulics
Second Stage AFCS Servos: 1,000psi from Utility Hydraulic
26
AOB Limitation for GW less than ___k and DA less than or equal to ___' and A/S less than or equal to ___ KIAS
56k, 3k', 130 KIAS: 60°
27
#2 tanks combined maximum capacity
377 gallons (2563 pounds)
28
BEARING TEMP LIMIT light
>350°F on the Swashplate
29
Main Rotor Clearance Droop Stops In
10' 8"
30
NGB oil capacity
5.5 quarts
31
Fuel flow lights
2±1 gallons per minute
32
Engine start replenishment pressure
80 psi increments via the flapper valve (up to 4k)
33
Single point capacity
36,000 pounds
34
ENG OIL PRESS HIGH
100±3 PSI
35
Length of dual points cargo pendants
7.5'
36
AFCS Servo 2 to Servo 1 Automatic Transfer Pressure
1,500 psi (and provided 2nd Stage Hydraulics are above 2,000 psi)
37
Utility hoist cable break strength
3,700 pounds
38
Main Gearbox reduces ___ rpm to ___ rpm (___% Nr) for the rotor head, and ___ for the intermediate gearbox.
6,323 rpm to 179 rpm (100% Nr), and 4,271 rpm for the IGB.
39
Supervisory Panel Undervoltage Protection
Activates when less than 100 volts for more than 6 seconds
40
How many igniters are in the combustion section?
2
41
How many fault codes can a computer store, and do they remain after power is removed?
5: Stored in nonvolatile memory, and will remain with power removed
42
MGB oil capacity
22 gallons
43
The Emergency Landing Gear Handle will discharge ___ pressurized to ___ to lower the gear. The Gauge will read ___ on preflight.
Air, 3,000 psi, 2,500-3,000 psi.
44
APP low oil pressure
≤6±1 PSI
45
Normal Ng, T5, Wf and Engine Oil Temp at Ground Idle
Ng = 60.5-70%,T5 = 450-550 C,Wf = 200-350 PPH, Engine Oil = 45-55 C
46
Engine dwell oil
1.45 gallons
47
UTILITY PRESS light
<1,500 psi
48
Auxiliary Fuel Tank capacity
650 gallons each (4420 pounds)
49
The Second Stage Hydraulic Pump operates at how many gpm?
22.4 gpm
50
Intermediate gearbox reduction
4,271 to 2,628 rpm
51
At what airspeed is turn coordination available?
Above 60 knots
52
Tail Rotor gearbox reduction
2,628 to 699 rpm
53
ENG OIL HIGH PRESS caution light is permissable for how long on start?
Less than 3 minutes
54
ENGINE OVERTORQUE light
>137% total torque
55
Engine oil temperature transient range and time limit
136-145°C for 10 minutes
56
Damper pin preflight acceptable range
-0.5 to 1.5"
57
High Pressure Rotor Brake System Pressure
975±25 PSI
58
Design gross weight
46,500 pounds
59
Cyclic Trim Button Numbers below 60 KIAS
2° per second in pitch, 4° per second in roll.
60
Critical rollover angle
13°
61
Distance between dual point fuselage hooks
10'
62
Single point automatic release
525±225 pounds
63
Empty Weight
32,226 pounds
64
Sponson fuel dump rate
```
75 gpm (per sponson).
500ppm (1000 pounds per minute from both)
```
65
Pitch Attitude Hold
±1 below 60 knots
66
Engine Oil Expansion Space
1.15 gallons
67
___ pressurized to ___ psi is used to dispense agent from the fire bottles into the ___ and ___ of the engines.
Nitrogen, 600 psi, compressor and power turbine sections.
68
The High Pressure Pump and Filter delivers fuel to the Fuel Control at what psi?
800-900 psi
69
Cabin compartment static load limit
300 pounds per square foot
70
Heater overheat switch
Activates at ≥204°C in the plenum chamber, securing the heater
71
Initial pressure of fuel flow to 12 fuel nozzles
160 PSI
72
Forward Flight (Vne)
150 KIAS
73
Amount (pounds) of product in fire bottles
4.5 pounds
74
IGB INTMD GB chip detector oil temp
140±5.5°C
75
Engine normal oil temp
40-135°C
76
Slope landings differ little from normal landings up to what slope angle?
4°
77
SPPC table is most accurate at _____' PA, ____ KIAS, ____%Nr.
1000, 90, 100
78
Number of Crash Attenuating Troop Seats
32
79
Tail Rotor Cant and Advantage
20° to left (2% increase in lift)
Improves hover capability and permits the Cg to be moved further aft
80
Low Pressure Rotor Brake can be engaged below what Nr?
25%
81
ENG OIL QTY LOW
Associated Tank has been depleted by 25% of its fully serviced capacity.
82
BEARING VIB LIMIT light
2.5 Gs on the Swashplate or 4 Gs on TRDS
83
Utility hoist cable length
245'
84
Fire detectors per engine
3
85
Engine usable oil
1.32 gallons
86
Cargo winch cable length
80'
87
T5 416A: Continuous/30 minutes/10 minutes
713/753/792°C
88
NGB normal oil temp
40-130°C
89
LDG GEAR UP light and ICS Pulse Tone activates when?
1. Gear is up
2. Airspeed is below 60KIAS
3. RADALT is below 150’ (unless RADALT is off, then anytime below 60 KIAS)
90
T64-GE-419 SHP and Contingency Power
4,750 SHP (Contingency of 5,000 for 2 minutes)
91
EAPS doors automatically close/open at what airspeed?
78-88 KIAS
92
NO.1 ENG ANTI-ICE and NO.3 ENG ANTI-ICE lights (and where)
Duct Temp ≤35°C
93
APP maximum exhaust gas temp
621°C
94
Hydraulic Refill reservoir capacity
4 quarts
95
Number of MGB chip detectors
5
96
APP Accumulator charge (plus source and preflight reading) , During preflight:
3,000 PSI from Utility System, 50-80°F: 2,800-3,100 psi, 80-115°F: 3,100-3,200 psi
97
AFCS Servo 1 to Servo 2 Automatic Transfer Pressure
<650 PSI (and provided Utility Hydraulics are above 1,500 psi)
98
Translational lift becomes effective at what airspeed?
15 knots
99
Emergency extension of the gear may take from ___ to ___ during forward flight with a load on the nose gear door.
1-2 Minutes
100
The First Stage Hydraulic Pump operates at how many gpm?
24 gpm
101
Low Pressure Rotor Brake System Pressure
350±35 PSI
102
Acceleration limit if ___ or more or ___' or more
56k and 3,000' DA or more: .5-1.5 Gs
103
Landing Gear Actuation Airspeed Limit
140 KIAS
104
RADALT acceptable test range
100±15'
105
Torque:
Normal/Continuous: 100%
```
Precautionary Range:100-137
Climb Powers: 110% for < 60k
121% for >60k
Military Power: 121% for 30 min
10 Minute Transient: 137%
1 Minute Transient: 160%
```
106
Fire bottle automatic discharge force
10 Gs
107
Q gained with EAPS removed
1%
108
Number of AGB chip detectors
2
109
External power receptacle rating (VAC, Hz)
115/200 VAC, 400 Hz
110
EAPS Scavenge blower operates whenever what two conditions are met?
(1) EAPS door closed
| (2) Main Transmission oil pressure is above 14psi
111
Maximum Range Autorotational Airspeed
100-110 knots
112
TGB OIL PRESS
7±1 psi
113
AGB oil capacity
8 quarts
114
When properly tied down, the helicopter can withstand how much wind?
60 knots
115
2nd fuselage bending mode
4.2 Hz
116
NGB max transient temperature and time limit
131-145°C for 60 minutes
117
Secondary pressure of fuel flow to 12 fuel nozzles, allowing fuel to secondary orifices
210 PSI
118
MGB max temp
145°C
119
Normal extended Tailskid clearance to level ground
6'
120
Wind Limits for Rotor Engagement/Disengagement, Blade Fold/Unfold, Pylon Fold/Unfold
45 knots
121
Tail skid sink rate limit
672 feet per minute
122
RTR BRK Quad Tach Light
Nr between 25±4 and 50±4%
123
VIB DETECT on BMS Alphanumeric Display
(Does not display in cockpit) 1.2 Gs on the Swashplate or 1.5 Gs on the TRDS
124
BEARING TEMP DETECT light
>275°F on the Swashplate (225°F after AFC 491 Part 3)
125
NATOPS Recommended Cruise Speed
135 KIAS
126
T5 hot start indication
650°C
127
TGB oil capacity
6.75 quarts
128
Utility hoist capacity
600 pounds
129
Maximum altitude for the APP
10,000' Pressure Altitude
130
SAS Authority
±10%
131
The Utility Relief Valve opens when?
Begins to open at 3,500 psi. Fully open by 3,850 psi.
132
If spar pressure drops to ___ or less, the pressure indicator will display two ___ stripes, indicating ___.
5±0.5 psi, black, unsafe condition.
133
MGB AUX LUBE PUMP light
14±2 PSI
134
UTILITY PRESS T/R light (and where it is read)
<1,500 psi downstream of 2 STG Servo Shutoff
135
1 STG PRESS M/R T/R light
<2,000 psi
136
NGB max temp
145°C
137
Pedal force to override autopilot
24 lbs
138
Autotransformer input/output for instrument/avionics
115 VAC to 26 VAC
139
NATOPS Recommended Climb Speed
100 KIAS
140
Outer Loop Authority
100%
141
Nr: Precautionary Range Low, Normal Range, Precautionary Range High, Maximum Operation, Overspeed (Inspection), Overspeed (Removal M/R & T/R), Overspeed (Removal)
Precautionary Range Low: 95-100%
```
Normal Range: 100-105 <50k; 103-105 >50k
Precautionary Range High:105-118
Maximum Operation: 118
Overspeed (Inspection): 118-129
Overspeed (Removal M/R & T/R):125
Overspeed (Removal):129
```
142
Actual fuel filter bypass (ENG FILT BY-PASS light on)
>2.8 PSI
143
Roll, Pitch, Airspeed, Heading, AutoTurn, FAS authority
100%
144
Starter Drop Out should occur at:
51-58% Ng
145
Aux Tank Jettison Limitations
0-150 kts (120 max in the descent), no more than 1,500 fpm descent, 0° angle of bank.
146
APP overspeed
≥110%
147
Q 419 Contingency Power
157% for 2 minutes (equals 5,000 SHP)
148
Refueling pressure
35-55 PSI
149
2nd Stage and utility heat exchanger blowers turn on
74±3°C
150
Cabin heater output
600,000 BTU
151
Fuel Dump Limitations
90-130 KIAS, no more than 1,500 fpm descent, 6,000' PA
152
How long does starting the APP take?
The APP will reach 100% in 8-11 seconds.
153
Maximum allowable gross weight (external loads)
73,500 pounds
154
Hovering turn limit
360° in 15 seconds (24° per second)
155
Utility Hydraulic Reservoir Capacity
3.68 gallons
156
Auxiliary Oil Tank Capacity
2.6 gallons
157
ENG FUEL BOOST caution light
≤8.5±0.5 PSI
158
Max number of folding troop seats
55
159
NO. 2 ENG OVERHEAT light (and how long it may illuminate)
575°F. This light may illuminate for up to 30 seconds during an air restart of the No. 2 Engine.
160
Ng must windmill for ___ before an engine restart is attempted
30 seconds
161
IGB OIL PRESS light
7±1 PSI
162
In-Flight Refueling Airspeed Range
105-120 KIAS
163
Pitch beeper button re-reference rate for Pitch Attitude Hold
2° per second
164
Rotor brake pressure when moving blades
40 PSI
165
Keep eyes how far away from spar pressure indicator (and why)?
24 inches - due to Strontium 90, beta ray radiation source
166
Minimum time for flow lights
1 minute
167
Number of TGB chip detectors
1
168
MGB minimum oil pressure
25 PSI
169
NGB OIL PRESS light
14±2 PSI
170
Maximum number of pole type litters in the cabin
24
171
Acceptable fuels
JP5, JP8
172
2 STG and UTILITY OIL HOT lights
107°C (Temp maintained below this point by a heat exchanger for each system. Also illuminates if the blower for the respective heat exchanger is off)
173
Scanning angle for each fire detector
90°
174
Hydraulic system normal (read: ideal) pressure
3,000 psi
175
MGB maximum transient range and time limit
121-145°C for 60 minutes
176
MGB OIL HOT light
121±5.5°C
177
Acceleration limit if ___ or less and ___' or less
56k and 3,000' DA or less: .5-2.0 Gs
178
Droop Stops go out when?
At 75% Nr
179
IGB oil capacity
3.25 quarts
180
Fuel flow indication to abort a start
>175 pounds per hour before light off
181
Damper accumulator pressure
910 psi
182
#1 and #3 FUEL LOW caution lights
666±30 pounds (30 minutes of fuel remaining)
183
Heater vent and combustion fans will operate even after shutdown until temperature drops to what, and where?
<49°C in the plenum chamber
184
Fuel entering the Fuel Control passes a Pressure Regulating Valve, where a ___ psi pressure drop is maintained
40 psi
185
MGB OIL PRESS, BLADES SPREAD, and FLIGHT READY lights go out
14 PSI
186
Heading Hold
±2°
187
ENG FLTR BYPASS caution light (Impending bypass)
>1.37±0.5 PSI
188
When does Hover Augmentation work?
Below 60 knots, between 13.3° nose up and 4.4° nose down
189
Dual point combined capacity
36,000 pounds
190
Generator rating (kVA, V, Hz)
40 kVA (60 kVA Overload), 115/200V, 400Hz
191
How many fuel nozzles are in the combustion section?
12
192
At a constant torque setting, an increase of T5 by ___°C equals a ___% power loss.
40°C, 10%
193
Sideward Flight Limit
35 KIAS
194
Wheel brake hydraulic pressure (and source)
1,500 psi from Utility System
195
Q instrument readout deviation
±3%
196
Airspeed Hold (knots and bank angle)
±5 knots up to 35° bank angle
| Only works above 60 knots
197
RDR ALT Hold
±7' or 5% of selected altitude, whichever is greater
198
How many elements do the engine oil pumps have (and what kind are they)?
6 - 5 scavenge, 1 pressure
199
With heading hold reengaged, when will the computer level the wings?
If within 2° of wings level
200
AOB Limitation for GW less than or equal to ___k and DA greater than ___' /Airspeed greater than ___ KIAS
56k, 3k', 130 KIAS: 45°
201
Transfer rate of auxiliary tanks to main
45 gpm or approximately 300 pounds per minute
202
First and Second Stage Hydraulic Reservoir Capacity
0.65 gallon
203
Airspeed indications are unreliable below what airspeed?
40 knots
204
Inner Loop Authority
±10%
205
Nf over speed protection
110±2%
206
#2 FUEL LOW caution light
333±15 pounds (30 minutes of fuel remaining)
207
Maximum weight on wheels
69,750 pounds
208
Dual Point Security Strap limits
950±450 pounds
209
Fuel Boost Pumps normally draw fuel at what psi?
40-60 psi
210
Number of Stator Vanes in the Compressor
13
211
T5 peak momentary
900°C
212
1st fuselage bending mode
3.25 Hz
213
NATOPS Recommended GCA Speed
115 KIAS
214
High Pressure Rotor Brake can be engaged below what Nr?
50%
215
Before securing electrical power, how long must the heater have been off?
10 minutes
216
#1 and #3 tank capacity pressure refueled/gravity refueled
300 gallons (2040 pounds)/304 gallons
217
Purge cycle time
8.5 minutes
218
Airspeed and time limit with BIM caution light
80 knots for 90 minutes
219
Rectifier rating
200 AMP, 28 VDC
220
Anti-Flapping Restraints go out when?
At 25% Nr
221
Gear Extended Airspeed Limit
150 KIAS
222
EAPS Doors Closed Airspeed Limit
150 KIAS
223
Length of single point cargo pendant
10'
224
Cargo winch capacity
5,000 pounds
225
APP light off indicated on the gauge
20%
226
Without introducing fuel, the starter can drive Ng up to what speed?
26-32%
227
ACC GB OIL HOT light
>145°C
228
Minimum Sink Rate Autorotational Airspeed
85 knots
229
Hydraulic pressure provided by the Engine Start Pump when starter is depressed
4,000 psi
230
Supervisory Panel Overvoltage Protection
Activates when greater than 125 volts for more than 1 second
231
Nr Flat Pitch
104-107%
232
During forward flight, with an airload on the nose gear door, emergency extension may take from ___ to ___ minutes.
1-2 minutes
233
Number of IGB chip detectors
1
234
Inner Loop Rate Response
Unlimited
235
Allow the APP to cool for ___ minutes to avoid a hot start.
2 minutes
236
T5 419Continuous/30 minutes/10 minutes
769/810/829°C
237
APP clutch engagement
92% at 204°C
238
Outer Loop Rate Response
10% per second
239
Force required on collective to shear yaw shearpin (breakaway rod)
Yaw breakaway shearpin will shear at 65 lbs with the AFCS servo on and 122 lbs with AFCS servos off.
240
MGB maximum oil pressure
150 PSI
241
AOB Limitation for GW greater than ___k
56k: 30°
242
ENG OIL PRESS LOW
10±3 PSI
243
The Utility Hydraulic Pump provides what range of pressure?
2,975-3,025 psi (Essentially, 3,000 psi)
244
APP light off actually occurs at what %?
10%
245
Main Transmission Rotor Tilt and advantage
5° forward (provides level fuselage at cruise)
246
Maneuvering Flight Limit
130 KIAS
247
2 STG PRESS M/R light
<2,000 psi
248
Main Rotor Diameter
79'
249
Roll Attitude Hold
±1° up to 45° of bank angle
±2 between 45-60 degree AOB
250
BAR ALT Hold
±25' or 1% of engaged altitude, whichever is greater
251
T5 indication of a post shutdown fire
320°C
252
APP fuel flow and tank
80-180 Pounds per hour from the No. 2 right
253
Minimum Ng to introduce fuel
20%
254
of Engine fire bottles
3
255
Product in engine fire bottles
Monobromotrifluoromethane (CF3Br)
256
Nf Limits
Normal Range: 100-105%
Max: 110 (Overspeed 110+-2)
5 second transient/Overspeed: 125%
Peak Overspeed (overhaul required):129
257
Airspeed Hold - The Pitch Beeper Button Re-References at how many knots per second?
6 knots per second
258
Number of Centerline Seats
18
259
Rotor RPM at 100% Nr
179
260
Overall Aircraft Length
99' 0.5"
261
Fire detectors in APP compartment
2
262
LBA Fully Extended
180 KIAS
263
Number of NGB chip detectors
1 each
264
T64-GE-416/416A SHP and Power Turbine Output
4,380 SHP (at 137% Torque) and 14,280 RPM
265
Landing gear sink rate at Max Weight on Wheels
69,750: 360 feet per minute
266
Engine unusable oil
0.1 gallons
267
Trim re-reference rate
5% per second
268
Power loss per engine with anti-ice on at max HP
3%
269
AFCS Servos provide how many pounds of force?
The AFCS Servos provide 200 pounds of force (power assist) for cockpit control
270
Hydraulic system normal pressure range
2,600-3,300 PSI
271
Landing gear sink rate at or below Design Gross Weight
46.5k: 672 feet per minute
272
2nd Stage and utility heat exchanger blowers turn off
57±3°C
273
LBA Fully Retracted
0-60 KIAS
274
Nose Gearboxes reduce engine rpm for input into the Main Gearbox to ___.
14,280 to 6,323 RPM
275
MGB OIL PRESS light
14±2 PSI
276
LBA Rate Response
5.50%
277
Attitude Warning System Actuation
Above 7° nose up
I believe there is more check that
278
The Utility Hydraulic Pump operates at how many gpm?
24 gpm
279
MGB normal oil pressure
50-65 PSI
280
TGB TAIL GB chip detector oil temp
140±5.5°C
281
ROTOR BRAKE PRESS
More than 10 psi in the system
282
Blade spars are pressurized via ___ to ___ psi within a temperature range of ___°C.
Nitrogen, 10 psi, 18-24° C
283
When is #2 Eng backflow most prevalent?
1. Stalled
2. @GND idle @ >85KIAS
3. @ 100% Nr and port winds in excess of 15 knots.
284
Max Glide Distance Airspeed
110 KIAS
