Limits Flashcards
(153 cards)
1
Q
Measured Gas Temperature (MGT) Limits
A
Starting:
>807-835° C Transient (1 sec)
779-807° C Transient (3 sec)
Operating: >852-874° C Transient (3 sec) >803-852° C Max (10 min) >766-803° C Intermediate (30 min) 0-766° C Max Continuous
2
Q
Gas Generator (Ng) Limits
A
101% Max Transient (3 sec)
100% Max Steady State
3
Q
Power Turbine Speed (Np) Limits
A
120% Max Transient (3 sec)
114-120% FADEC Fuel Shutoff
105% Max Steady State /
FADEC Fuel Cutback
104% Interim Power
100% VTOL / CONV Normal
84% APLN Normal
20-33%,
53-67% Avoid Range
4
Q
Engine Torque (TRQ) Limits
A
> 139% Invalid
111-139% High Warning
101-111% High Caution
0-101% Normal
5
Q
Engine Oil Pressure Limits
A
>90 psi High Warning >60-90 psi High Caution 35-60 psi Normal 30-<35 psi Low Caution Below 30 psi Low Warning
6
Q
Engine Oil Temperature Limits
A
>140° C High Warning >135-140° C High Caution 40-135° C Normal 20-<40° C Low Caution Below 20° C Low Warning
7
Q
APU Limits
A
-Not qualified for continuous in-flight operation
-15 sec before each attempted APU restart
-If APU fails to start after 3 attempts, cool starter motor for
55 minutes before attempting restart
8
Q
PRGB/TAGB Oil Pressure Limits (Dual Engine)
A
>150 psi High Warning >95-150 psi High Caution 60-95 psi Normal 30-<60 psi Low Caution Below 30 psi Low Warning
9
Q
PRGB/TAGB Oil Pressure Limits (Single Engine)
A
>150 psi High Warning >95-150 psi High Caution 60-95 psi Normal 50-<60 psi Low Caution Below 50 psi Low Warning
10
Q
MWGB Oil Pressure Limits
A
>100 psi High Warning >65-100 psi High Caution 40-65 psi Normal 25-<40 psi Low Caution Below 25 psi Low Warning
11
Q
PRGB/TAGB (Both Engines) and MWGB Oil Temperature Limits
A
> 132° C High Warning
110-132° C High Caution
20-110° C Normal
<20° C Low Caution
12
Q
PRGB/TAGB Oil Temperature Limits (Single Engine)
A
> 121° C High Warning
110-121° C High Caution
20-110° C Normal
<20° C Low Caution
13
Q
General Rotor Speed (Nr) Limits
A
- Max airspeed for 100% Nr is 220 KCAS
- Max altitude for 100% Nr is 17,000 ft DA
- Nr shall be above 75% before starting 2nd Engine
- SFD may indicate RPM HIGH condition when one does not actually exist. Refer to CDU and DEU for correct Nr.
14
Q
VTOL/CONV Rotor Speed (Nr) Limits
A
>113% High Warning >104-113% High Caution 104% Takeoff 100% Normal 96% Min - Power On <94% Low Warning
15
Q
APLN Rotor Speed (Nr) Limits
A
> 113% High Warning
104-113% High Caution
82-104% Normal
Below 82% Low Warning
16
Q
84% Proprotor Mast Torque (Qm) Limits
A
>111% High Warning >100-111% High Caution >10-100% Normal 3-10% Low Caution <3% Low Warning
17
Q
100% Proprotor Mast Torque (Qm) Limits
A
>132% High Warning >100-132% High Caution >12-100% Normal 3-12% Low Caution <3% Low Warning
18
Q
104% Proprotor Mast Torque (Qm) Limits
A
>132% High Warning >117-132% High Caution >12-117% Normal 3-12% Low Caution <3% Low Warning
19
Q
CAUTION: During high power settings, possible proprotor overtorque may occur with excessive ________ ________ _______.
A
lateral cyclic inputs
20
Q
CAUTION: Delay takeoff until gearbox oil temperatures reach ___
A
20° C
21
Q
CAUTION: Do not operate engines above ground idle with engine oil temperature below
A
20° C
22
Q
NOTE: For 100% or 104% Nr, PRTR OVERTORQUE (L/R) will post when either Qm is >___ for ___ seconds or >___ Qm instantaneous. For 84% Nr, PRTR OVERTORQUE (L/R) will post when either Qm is > ___ for ___ seconds or > ___ Qm instantaneous.
A
> 132% for 5 seconds; >150% Qm instantaneous
>111% for 5 seconds; >126% Qm instantaneous
23
Q
NOTE: During Rotor Speed Transitions from 84% to 100% or 100% to 84%, the mast torque will ________, resulting in an _______ change in the display which does not represent the actual torque change.
A
re-reference
instantaneous
24
Q
Flight is prohibited with hydraulic fluid temperature below ____.
A
-18° C
25
Hydraulic Pressure Limits
5500 psi High Warning
5250 to <4600 psi Low Caution
Below 4200 psi Low Warning
26
Generator Operation Range
- Generators 1* and 2 Trip on at 72% Nr and off at 67%** Nr.
- Generators 3 and 4 Trip on at 82% Nr and off at 80-82% Nr.
* If APU engaged, GEN 1 unaffected by Nr.
* *May remain on for values below 67% Nr, the trip value will be determined by load and frequency.
27
Regulated converters shall be started above ____. Once started above ___, regulated converters are limited to a continuous operational OAT of ____ to ____. The converters are limited to ___ minutes of operation from ___ to ___.
-40°C; -40°C; -54°C to 50°C
| 30 minutes; 55°C to 71°C
28
For operations without domed searchlight cover, ensure searchlights are turned off and allowed to cool for ___ ______ prior to performing refueling operations (air or ground).
2 minutes
29
The search/landing lights shall not be operated in ______ ______ ______ without proprotors turning.
Unprepared grassy areas
30
The searchlights shall not be motorized to/from the extended position above ___ kts.
200 kts
31
Flight outside of the ______ ______ ______ is prohibited. Commanding maximum rate ______ ______ at the Vcon limits is prohibited.
Conversion protection limits
| Aft nacelle
32
WARNING: Flight outside of the ______ ______ ______ limits may result in in-flight structural damage.
Upper conversion protection
33
Flight with nacelles between ___ and ___ is limited to relative crosswinds less than ___ kts and relative rearward airspeed less than ___ kts.
85° and 75°; 20 kts; 10 kts
34
NOTE: Relative airspeed and direction are sum of ______ ______ and ______ ______ components.
Ground speed; wind speed
35
While airborne with nacelles at or below ___, forward nacelle modulation is prohibited until airspeed exceeds ___ ____.
75°; 40 KCAS
36
WARNING: Flight with nacelles below the ______ ______ ______ ______ at any gross weight may result in severe pitch down and significant _____ ______.
Low speed transition limit
| Altitude loss
37
WARNING: Forward nacelle modulation combined with _______ ______ ______ ______ ______ could lead to nose down pitching moments that may not be recoverable.
Reduced aft longitudinal stick authority
38
NOTE: The severity of the nose down pitch is aggravated with ______, ______ ______, and ______ ______.
tailwinds, forward CG, and pedal inputs
39
NOTE: Raising nacelles and centering pedals and lateral stick may restore ______ ______ ______.
longitudinal control authority
40
Flight at 84% Nr is limited to ___ KCAS or ___ Mach; whichever is less.
280 KCAS, 0.48 Mach
41
Flight at 100% Nr is limited to ___ KCAS or ___ Mach; whichever is less.
220 KCAS, 0.46 Mach
42
With a disabled FFR, transition out of avoid region as soon as possible. WARNING: With a disabled FFR, ______ ______ ______ i the avoid regions may result in in-flight structural damage
sustained flight operations
43
Flight as 84% Nr is limited to ___ ft DA.
25,000 ft DA
44
Flight at 100% Nr is limited to ___ ft DA with >30° Nacelle. Below 30° Nacelle, the altitude gradually increases to ___ ft DA.
14,000 ft DA
| 17,000 ft DA
45
Landing (STO/ROL and VTO/VL) is prohibited above ___ ft DA.
12,000 ft DA
46
NOTE: The ROTOR LOAD HIGH CAUTION will post more frequently when operating at ______ ______ ______ in VTOL/CONV mode. Use the ______ to assess severity of present flight conditions.
high density altitudes
| FFR
47
Blowdown limiting exists within the flight control software such that the flaps will retract as a function of ______.
airspeed
48
0° Flaps
APLN mode only
49
10° Flaps
APLN mode only; 220 KCAS or less
50
20° Flaps
APLN mode only; 180 KCAS or less
51
40° Flaps
All modes authorized; 180 KCAS or less
52
Full Flaps
VTOL/CONV mode only; 45 KCAS or less
53
Ground taxi operations on unpaved surfaces have five additional restrictions:
1. Taxi director required
2. Minimize braking to prevent porpoising
3. Use only light braking while turning
4. Minimize nosewheel steering
5. Soft or muddy unpaved surface ground taxi is prohibited
54
Maximum up/down/cross slope takeoff/landing is ___.
9°
55
Traversing or taxi over obstacles greater than ___ inches in height is prohibited.
1.5 inches
56
______, ______ ______ on unprepared surfaces is prohibited.
STO, run-on landing
57
Pivoting about a ______ ______ is prohibited
single MLG
58
The ______ ______ and ______ ______ must be off for STO.
power steering and nosewheel lock
59
______ braking is prohibited
Abrupt
60
WARNING: Hard braking above ___ KGS may cause structural damage to the carbon brake disks resulting in loss of braking in the affected wheel braking or binding in the brake causing skidding in the affected wheel brake. hard braking above ___ KGS may cause flat spotting and tire failure.
20 KGS
61
Maximum brake application
60 KGS
62
Maximum taxi speed for turning
20 KGS
63
Maximum taxi on paved surfaces to include AM-2 matting
100 KGS
64
Maximum taxi speed on unpaved surfaces
5 KGS
65
Maximum takeoff on paved surfaces to include AM-2 matting (Nacelles <85°)
100 KGS
66
Maximum landing on paved surfaces to include AM-2 matting (Nacelles <85°)
88 KGS
67
Minimum STO Nacelle (Nacelles <85°)
60°
68
Minimum Landing Nacelle (Nacelles <85°)
75°
69
Maximum crosswind (Nacelles <85°)
20 Kts
70
Maximum tailwind (Nacelles <85°)
10 Kts
71
Maximum airspeed for extension/retraction of landing gear
140 KCAS
72
Maximum airspeed for operation with landing gear extended
150 KCAS
73
Maximum speed with ramp open
260 KCAS
74
______ ______ prohibited with ramp open
Negative-g maneuvers
75
Maximum ramp loading is ___ lbs. Movement of loaded ramp ______ is prohibited
1,750 lbs
| in-flight
76
Maximum palletized load on ramp for ground operations movement
5,000 lbs
77
Cargo Compartment Floor limit is ___ pounds per square foot.
300
78
WARNING: Use of AUTO mode with the Utility Isolation Valve closed is prohibited. If ramp/door movement is inadvertently commanded through the cockpit ramp control rocker switch while in AUTO mode with the utility isolation valve closed, the command will not be executed until the utility isolation valve opens. This delayed action may appear to be ______ and can result in personnel injury/death and/or equipment damage if not anticipated.
uncommanded
79
Single cargo hook limited to ___ lbs.
10,000 lbs
80
Dual hook is limited to loads between ___ and ___ lbs.
2,000 and 12,500 lbs
81
Dual point maximum distribution between hooks is ___ or ___.
70/30 or 30/70
82
The external cargo hook doors are limited to: [A] ___ KCAS (latched open), [B] ___ KCAS (latched open, when being opened or closed). [A] shall not be opened or closed above ___ KCAS.
200 KCAS
250 KCAS
80 KCAS
83
______ ______ mode is prohibited while conducting external operations.
FD coupled
84
Single/Dual point load is limited to ___ KCAS.
200 KCAS
85
With external cargo hook door(s) removed limited to ___ KCAS.
280 KCAS
86
External operations at ___ Nr are prohibited.
84% Nr
87
Maximum angle of bank during external cargo operations is ___.
30°
88
All ______ ______ require a functioning radar altimeter without load interference.
night operations
89
______ ______ are prohibited; including entry or glide.
Practice autorotations
90
______ are prohibited.
Aerobatics
91
______ ______ ______ control inputs are prohibited.
Abrupt large amplitude
92
Maximum out of trim condition for maneuvering in APLN and CONV mode is ______ ______ ______.
one ball out
93
Flight into known ______ ______ ______ conditions is prohibited. Immediate recovery shall be initiated at the first activation of the ______ ______ ______ warning system.
Vortex Ring State
| High Sink Rate
94
Operations with gross weight above 57,000 lbs only authorized under the following conditions:
1. Max gross weight does not exceed 60,500 lbs.
2. Load factors not to exceed 0.5-1.5g.
3. Max angle of bank is 30°. Transient to 35° authorized in flight director coupled mode.
4. Max airspeed in APLN mode is 250 KCAS.
95
NOTE: During flight director coupled mode operations at gross weights above 57,000 lbs, the flight director may command up to ___ exceedences of the angle of bank limitations.
5°
96
Max Touch Down Rate
GW ≤ 46,000 lbs = 720 fpm
| GW > 46,000 lbs = 600 fpm
97
Max Turn Rate (Hover)
30° /SEC
98
Normal Load Factor (VTOL/CONV)
```
VTOL = 0.5g to 2.0g
CONV = 0.5g to 3.0g
```
99
Max Angle of Bank (VTOL/CONV)
VTOL = 30°
CONV < 60 KCAS = 30°
CONV > 60 KCAS = 60°
100
Max Pitch Attitude (VTOL/CONV)
20° Nose Up
101
APLN Load Factor Limits
Symmetric: -0.5g to 4.0g
Asymmetric: -0.5g to 3.2g
Negative g: Max 10 seconds per event
102
NOTE: Positive g is limited by structural load limiting. Actual load factors attainable at a given flight condition may be less than 4.0. Negative g limits are controlled by ______ ______.
the pilot
103
Max Angle of Bank (APLN)
60°
104
Max Pitch Attitude (APLN)
35°
105
Practice 1g Stall Limits
Max deceleration rate: 5 KCAS per second.
| Max allowable torque throughout the maneuver to include recovery (until stall warning <100%): 60% torque
106
Wheeled Vehicle Transport Mission Limits
Max angle of bank: 30°
| Normal load factor: 0.5g to 1.5g
107
Aircraft Configuration for defensive/tactical maneuvering
1. AUTO flaps only
2. Max gross weight: 48,000 lbs
3. STA CG: 395-403 inches
4. LAT CG: -3 to +3 inches
108
Flight Conditions for defensive/tactical maneuvering (APLN)
1. Min airspeed: 160 KCAS
| 2. Max pressure altitude: 10,000 ft
109
Flight Conditions for defensive/tactical maneuvering (CONV)
Balanced flight while turning away from the threat with continuous transition to APLN authorized. Sustained CONV operations not authorized.
110
Flight Conditions for defensive/tactical maneuvering (VTOL)
Hover pedal turns to change heading are authorized. Sustained VTOL operations not authorized.
111
Control Inputs for defensive/tactical maneuvering
1. Pedals centered, CONV and APLN (no more than 1/4 ball out with constant trim)
2. Abrupt, large amplitude inputs and abrupt reversals prohibited.
3. Maximum cyclic inputs (from center to stop):
A. Single axis: 1/2 deflection
B. Multiple axis: 1/4 deflection
112
WARNING: Control inputs beyond those authorized may lead to departure of the aircraft from controlled flight that may be unrecoverable. The potential for departure at elevated angle of attack is increased with concurrent pedal inputs and/or ______ ______ application.
full TCL
113
Stall Warning limits for defensive/tactical maneuvering
1. Maximum 80%
| 2. Tactical maneuvering prohibited with STALL WARN FAIL advisory posted
114
Flight or filing through forecasted or actual ______ ______ is prohibited
severe icing
115
Icing APLN: Flaps shall be set to ______ or ___, maximum stall warning ___, and a minimum of ___ Qm margin. FLAPS - AUTO, 200 KCAS recommended.
AUTO or 0, 60%, 10%
116
Icing CONV: FLAPS - ______, ___ nacelle, ___ KCAS recommended. Avoid extended operations in VTOL or CONV mode.
AUTO, 60°, 110 KCAS
117
Flight Operations in visible moisture from 4° to -4° C
```
Fully functional IPS, or:
Pitot Heat
AOA Heat
EAPS
Engine Anti-Ice
If ice is visually detected, exit icing conditions
```
118
Flight Operations in visible moisture from <-4° to -20° C
```
Fully functional IPS, or:
Pitot Heat
AOA Heat
EAPS
Engine Anti-Ice
Functional Ice detector
An official forecast of "none" or "trace" icing within ±4,000ft of the route of flight
```
119
Flight Operations in visible moisture from <-20° to -40° C
Fully functional IPS, and:
An official forecast of "none" or "trace" icing within ±4,000 ft of the route of flight.
WARNING: Any ice accumulation in this temperature range shall be considered severe icing as it will exceed the capabilities of the icing system.
120
Ground Operations in visible moisture
```
All ice or snow on the aircraft shall be removed prior to flight. Aircraft air inlets shall be inspected for ice accumulation prior to all flights that are preceded by ground operations in icing conditions. AND:
Pitot Heat
AOA Heat
EAPS
Engine Anti-ice
```
121
NOTE: It is possible to get ice in the engine due to induced spray/moisture on the ground without the system detecting ice. ______ ______ will not automatically be turned on. Consideration should be given to selecting ______ ______ - ______ and just prior to takeoff return to ______.
Engine anti-ice
ENGINE ANTI-ICE - ON
AUTO
122
Turn IPS MODES - ______ prior to cloud immersion at ___ C or less.
ON
| -15° C
123
IPS capability is dependent on specific PRTR IPS failure:
Heater Zones 1, 2 = ___
Heater Zone 3 = ___
All other PRTR IPS fails = ___
Operate no lower than:
- 15° C
- 10° C
- 4° C
124
Washing engines below ___ C not authorized.
-15° C
125
If winds in excess of ___ kts are expected, the aircraft shall be flown away, placed in a hangar or proprotor blades and rudders removed.
90 kts
126
With winds above ___ kts, without hydraulic power, all gust locks shall be installed.
45 kts
127
With winds above ___ kts, the aircraft shall be placed nose into the wind to prevent possible rotor head damage.
60 kts
128
Wind Limit - Ground engine start up/shutdown
45 kts
129
Wind Limit - Any BFWS operations
45 kts
130
Wind Limit - Static FLT RDY, Fold Horizontal or Fold Vertical
60 kts
131
Wind limit - FULL STOW
90 kts
132
Without ______ ___ and the ___ ______ Receiver, the ______ shall not be used as a primary navigation source or for filing IFR.
AFC 86, -020 VOR, VOR
133
The use of type equipment code ___ prohibited.
/G
134
Flying under conditions of ______ turbulence should be avoided.
severe
135
Maximum turbulence penetration airspeed
220 KCAS
136
Turbulence penetration torque limit
At 100% Nr, ≤ 75% Qm
| At 84% Nr, ≤ 65% Qm
137
CAUTION: Operation of the aircraft in conditions of severe turbulence may result in ______ ______ annunciation and damage to the rotor and drive system as a result of asymmetrical gust loading. The aircraft is more susceptible to these ______ in APLN mode at high airspeeds and high torque settings in areas of severe turbulence, especially below ___ ft AGL due to orographic effects.
PRTR OVERTORQUE
overtorques
1000 ft AGL
138
Fuel dump is ______ ______ ______ ______.
prohibited except in emergencies
139
Fuel dump required configuration (time permitting)
1. Cargo ramp and door closed
2. Landing gear up
3. Main cabin door closed
140
WARNING: Fuel will impinge on and seep into the ramp and empennage during fuel dump operations increasing the ______ ______ ______. Aircraft commander should weigh the risk of ______ ______ ______ with fuel prior to emergency landing.
risk of fire
| saturating the aircraft
141
Minimum feed tank quantity
300 lbs
142
Maximum forward sponson allowable fuel split
2,500 lbs
143
During MATS refueling, the fuel level within each MATS must be monitored and ______ ______ (No auto shutoff).
manually isolated
144
Forward MATS limit
2,350 lbs
145
Mid and Aft MATS limit
2,200 lbs
146
MATS RGR Configuration (three tanks)
FWD: 2,350 lbs
MID: 2,200 lbs
AFT: 1,750 lbs
147
MATS RGR Configuration (two tanks)
FWD: 2,350 lbs
MID: 1,900 lbs
148
MATS RGR Configuration (one tank)
FWD: 1,900 lbs
149
WARNING: Filling MATS greater than the fuel tank fill volumes will exceed the structural requirements of the tiedown restraints in the event of a crash. Exceeding these limits can cause MATS ______ ______ in a crash, resulting in personal injury or death.
restraint failure
150
WARNING: The troop seats directly ______ of the first and second MAT are not authorized for use due to loss of ______ ______ and possible head strike.
aft
| crash attenuation
151
Maximum gross weight (VTOL)
52,600 lbs
152
Maximum gross weight (Shore-based STO)
57,000 lbs
153
Maximum alternate gross weight
60,500 lbs
