LIMITATIONS Flashcards
Learn Aircraft Limitations (187 cards)
1
Q
What type of Operation is the S76D certified for?
A
Category “A” and Category “B” Day, Night, VFR and IFR.
2
Q
What is the maximum crosswind component for Cat A takeoffs and landings?
A
12 knots
3
Q
Practise touch down autorotations are allowed Yes or No?
A
No.
4
Q
What is the limitation on helicopter ground operations and at what temperature?
A
Ground Operations are restricted to a maximum of 30 minutes with an OAT greater than 35 degrees.
5
Q
What is the limit of slope landings
A
6 degrees.
6
Q
What is the limitation on hovering turns?
A
360 degrees hovering turn in less than 12 seconds is prohibited
7
Q
How long can you continously hover for?
A
45 minutes
8
Q
What is the limitation on IMC flight with sliding doors installed?
A
IMC flight with any sliding door open ( if installed ) is prohibited
9
Q
What is the limitation on pitch attitudes with fuel indication 80lbs or less?
A
Avoid sustained pitch attitudes in excess of 12 degrees nose up and 5 degrees nose down when either fuel low caution illuminates or if either fuel tank indicates 80lbs or less.
10
Q
In what icing conditions can the S76D fly?
A
Flight in known icing conditions is prohobited
11
Q
When can OEI power ratings be used?
A
Use of OEI engine power ratings except in the event of an actual engine failure is prohibited
12
Q
At what time should the strobe / recognition lights be turned off?
A
The strobe lights and recognition lights (if installed) shall be turned off when operating in clouds at night.
13
Q
What is the crosswind limit for CAT B takeoff and landing with 10 or more passengers
A
The crosswind limit for Category “B” takeoffs and landings with 10 or more passenger seats is 35 knots
14
Q
What is the maximum allowable tailwind for ground operations when OAT is ISA + 25°C or more
A
The maximum allowable tailwind for ground operations (e.g., engine starts, taxiing, etc.) when OAT is ISA + 25°C or more is 25 knots.
15
Q
VNE power on is?
A
155kts
16
Q
VNE power off is
A
136kts
17
Q
Maximum speed for wiper operation is?
A
141kts
18
Q
What is the maximum airspeed for main landing gear extended or in transit ?
A
Maximum airspeed for main landing gear extended or in transit is 130 KIAS.
19
Q
What is the maximum airspeed for opening, closing or operating the sliding cabin doors?
A
125kts
20
Q
What is the maximum airspeed for single auto pilot operation?
A
100Kts
21
Q
What is the maximum airspeed for arming/inflating the floats
A
75Kts
22
Q
What is the maximum airspeed with floats inflated
A
75Kts
23
Q
What is the minimum speed to couple the flight director?
A
60Kts
24
Q
What is the minimum instrument approach speed
A
60Kts
25
What is the minimum instrument airspeed?
50Kts
26
What is the maximum airspeed with lateral CG greater than +/- 3.5 inches
35Kts
27
What is the maximum speed for sideward flight or crosswind hover?
35Kts
28
Above what speed in sideward flight or crosswind hover will significant nose float oscillations occur
Significant nose float oscillations may occur above 10 knots in sideward flight or crosswind hover.
Flight and hover into the wind will minimize float oscillations.
29
What is the maximum demonstrated airspeed for sideward flight or crosswind hover with the flotation system inflated ?
20Kts
30
What is the maximum ground speed for taxi, takeoff and landing on
1) Grass and
2) Paved surfaces?
1) 30Kts
| 2) 54Kts
31
What is the maximum ground speed for break application?
34Kts
32
What is the maximum water contact speed with the emergency flotation system inflated?
33Kts
33
What is the maximum pressure altitude with floats inflated?
5000ft
34
What is the minimum altitude for coupled operations with speed above 120Kts?
200ft AGL
35
What is the minimum altitude for coupled operations with speed at or below 120Kts?
50ft AGL
36
what is the minimum altitude for operation in a coupled hover (VHLD and RALT) or the departure (DPT) modes?
30ft AGL
37
What is the restriction on coupled flight below 100ft AGL?
Coupled flight below 100 feet AGL shall be in visual meteorological conditions.
38
What is the temperature limit of the 76D?
–35°C (–31°F) to ISA + 34°C (not to exceed 45°C / 113°F).
39
What is the
1. Maximum take off and landing weight of the 76D
2. Minimum operating weight
Maximum takeoff and landing weight is 11,875 pounds (5,386 kilograms).
Minimum operating weight is 7,350 pounds (3,334 kilograms).
40
What is the maximum allowable cabin floor loading per square foot?
Maximum allowable cabin floor loading is 200 pounds per square foot (976 kg per square meter).
41
What is the maximum allowable cabin floor loading per square foot?
Maximum allowable cabin floor loading is 200 pounds per square foot (976 kg per square meter).
42
What is the
1. Maximum allowable floor loading for the baggage compartment ?
2. Maximum capacity of the baggage compartment?
The maximum allowable floor loading for the baggage compartment is 75 pounds per square foot (366 kg per square meter) for weights up to the maximum capacity of 600 pounds (272 kg).
43
What is the
1. Cat A, horizontal Profile, take off and landing density altitude limit?
2. Cat B take off and landing density Altitude limit?
3. Enroute Density Altitude Limit.
1. 3000ft HD
2. 12,700ft HD
3. 15000ft HD
44
What is the center of gravity datum for the 76D?
Datum is 200 inches forward of rotor controid.
45
What is the Engine Torque, AEO, 5 min take off power?
100% TQ
46
What is the Maximum, Engine Torque, AEO, Hover at increased power (HIP)?
100% TQ
47
What is the Engine Torque, AEO, max continous power?
100% TQ
48
What is the Engine Torque, OEI, 30 Second power?
140% TQ
49
What is the Engine Torque, OEI, 2 minute power?
136% TQ
50
What is the Engine Torque, OEI, Max continous power?
128% TQ
51
What is the Ng, AEO, 5 minute take off power?
100% Ng
52
What is the Ng, AEO, 5- 30 minutes Hover at increased (HIP) power?
100% Ng
53
What is the Ng, AEO, max continuous power?
98.8% Ng
54
What is the Engine Torque , AEO 20 second, transient power.
136% TQ
55
What is the Engine torque, OEI, 5 seconds transient power while 30 second power is in use?
145% TQ
56
What is the Engine torque, OEI, 5 seconds transient power while 2 minute power is in use?
141% TQ
57
What is the Engine torque, OEI, 20 seconds transient power while max continuous power is in use?
136% TQ
58
What is the Ng, OEI, 30 second power?
102.7% Ng.
59
What is the Ng, OEI, 2 minute power?
101.8% Ng.
60
What is the Ng, OEI, max continuous power?
100.0% Ng.
61
What is the Ng, OEI, 5 seconds transient power, while 30 seconds power is in use?
103.3% Ng
62
What is the Ng, OEI, 5 seconds transient max power, while 2 minutes power is in use?
102.3% Ng
63
What is the Ng, OEI, 20 seconds transient power, while Max continuous power is in use?
101.8% Ng
64
What is the ITT, AEO 5 minute take off power?
924-932 Celsius
When the ITT increases above 886C, the takeoff limit will decrease from 932C to 924C over a 3 minute period. The limits increase back to 932C when the ITT decreases below 886C.
65
What is the Np, AEO, 20 second transient power?
118% Np.
66
What is the Np, AEO, max continuous power?
108% Np.
67
What is the Np, OEI, 20 second transient power while max continuous power is in use?
118% Np
68
What is the Np, OEI, 5 second transient power while 30 seconds or 2 minute power is in use. ?
115% Np
69
What is the Np, OEI , Max continuous power? .
108% Np
70
During engine start with the rotor brake off, the N P must increase above zero prior to reaching what Ng Value?
70% N G
71
What is the ITT, AEO, HIP temperature?
924% C
72
What is the ITT, AEO, max continuous temperature?
886 C
73
What is the ITT, AEO, 20 seconds transient temperature?
980 C
74
What is the ITT, OEI, 30 seconds temperature?
1006 C.
75
What is the ITT, OEI, 2 minutes temperature?
980 C
76
What is the ITT, OEI, max continous temperature?
924 C
77
What is the ITT, OEI, 5 seconds transient temperature when 30 seconds power is in use?
1015 C
78
What is the ITT, OEI, 5 seconds transient temperature when 2 minutes power is in use?
989 C
79
What is the ITT, OEI, 20 seconds transient temperature , when max continuous power is in use?
980 C
80
What is the ITT, Ground idle, 20 seconds transient temperature ?
790 C
81
What is the ITT, ground idle, max continuous, temperature ?
760 C
82
What is the ITT , 2 second transient temperature during engine start?
825 C
83
Above what temperature during engine start, will the Automatic hot start protection kick in?
765°C. (On Ground Only)
84
What is the ITT, 60 seconds transient temperature during engine start?
750 C
85
What is the minimum engine oil pressure?
37 psi
86
What is the engine oil pressure lower cautionary range?
37 psi to 75 psi.
87
What is the engine oil pressure normal range?
75 psi to 225 psi
88
What is the engine oil pressure upper cautionary range?
225 psi to 263 psi.
89
What is the engine oil max pressure ?
263 psi.
90
What is the minimum engine oil temperature,less than 5 minutes after start?
–40°C
91
What is the engine oil cautionary temperature range, less than 5 minutes after start?
–40°C to 40°C
92
What is the minimum engine oil temperature, more than 5 minutes after start?
14°C
93
What is the engine oil temperature cautionary range, more than 5 minutes after start?
14°C to 40°C
94
What is the engine oil temperature normal range?
40°C to 130°C
95
What is the engine oil temperature 60 seconds transient range?
130°C to 135°C
96
What is
1. The minimum engine oil temperature prior to raising the collective above the minimum position ?
2. The minimum engine oil temperature prior to take off?
1. 14°C
| 2. 40°C
97
What conditions allow engine operation with cowling open or unlatched?
Engine operation with cowling open or unlatched is prohibited.
98
What conditions allow engine operation with cowling removed ?
Single engine operations with an engine cowling removed are permitted only at ground idle with the rotor brake applied and the main rotor blades positioned at 45° to the longitudinal axis of the helicopter with the nose of the helicopter positioned into the wind.
99
What is the engine starter limits
1. With Fuel light off
2. Without Fuel light off
With Fuel Light-Off
1 minute On 5 minutes Off
1 minute On 5 minutes Off
1 minute On 30 minutes Off
Without Fuel Light-Off
30 seconds On 5 minutes Off
30 seconds On 5 minutes Off
30 seconds On 30 minutes Off
100
What is the Fuel tank capacity of the S76D?
Left Tank: 146 gal (142 gal usable)/553 liters (538 liters usable)
Right Tank: 146 gal (142 gal usable)/553 liters (538 liters usable)
Total: 292 gal (284 gal usable)/1,105 liters (1,075 liters usable)◄
101
What is the maximum indicated take off fuel per tank?
The maximum indicated fuel at takeoff shall not exceed 990 pounds in either tank.
No restriction for fuel quantities displayed in kilograms.
102
What is the maximum fuel flow per hour per engine?
699 pounds per hour per engine
103
What FADEC conditions must be met before takeoff?
Before takeoff, the following FADEC conditions must be met:
* Both engine FADECs must be free of all faults.
* Both throttles must be in FLY.
104
Fow how long can you hover while operating using the HIP rating?
HIP rating is limited to 30 minutes in a hover.
If the 30 minute time limit is exceeded, a log book entry is required.
105
What is the maximum, power on RPM?
115% RPM
106
What is the power on, upper cautionary RPM range?
108% to 115%
107
What is the power on, AEO, normal RPM range?
106% to 108%
108
What is the power on, AEO, lower cautionary RPM range?
91% to 106%
109
What is the power on, normal operating rotor speed range. (OEI at or above best rate of climb airspeed)?
106% to 108%
110
What is the power on, normal operating rotor speed range (OEI up to best rate of climb airspeed)
100% to 108%
111
What is the power on, Cautionary (OEI) RPM range:
91% to 100%
112
What is the power on, Transient minimum RPM?
91%
113
What is the power on, transient minimum RPM at touchdown during an OEI landing?
68%
114
What is the maximum, power off RPM?
115%
115
What is the power off, normal RPM range ?
91% to 115%
116
What is the power off, minimum RPM?
91%
117
What is the power off, transient minimum RPM?
74%
118
What is the power off, transient minimum RPM at touchdown while executing an autorotative landing:
68%
119
What is the minimum main gearbox oil pressure?
20 psi
120
What is the main gearbox oil pressure lower cautionary range?
20 PSI to 50 PSI
121
What is the main gearbox oil pressure, normal range?
50 PSI to 90 PSI
122
What is the main gearbox oil pressure, upper cautionary range?
90 PSI to 120 PSI
123
What is the minimum main gear box oil temperature?
–20°C
124
What is the main gear box oil temperature, lower cautionary range?
–20°C to 15°C
125
What is the main gear box oil temperature, normal range?
15°C to 115°C
126
What is the main gear box oil maximum temperature?
135°C
127
What is the normal range of the main AC GEN current?
0 to 10 kvA
128
What is the cautionary range of the main AC GEN current?
10 to 14 kvA
129
What is the maximum main AC GEN current?
14 kvA
130
What is the minimum main AC GEN voltage?
96 vAC
131
What is the lower cautionary range of the main AC GEN voltage?
96 to 100 vAC
132
What is the normal operating range of the main AC GEN voltage?
100 to 122 vAC
133
What is the upper cautionary range of the main AC GEN voltage?
122 to 134 vAC
134
What is the maximum main AC GEN voltage?
134 vAC
135
What is the normal operating range for the DC GEN current?
0 to 250 A
136
What is the cautionary range of the DC GEN current?
250 to 445 A
137
What is the maximum DC GEN current?
445 A
138
What is the DC GEN transient current (2 sec during engine cross start)?
635 A
139
What is the minimum DC GEN voltage?
18 vDC
140
What is the DC GEN voltage lower cautionary range
18 to 22 vDC
141
What is the DC GEN voltage normal operating range?
22 to 30.3 vDC
142
What is the DC GEN voltage upper cautionary range?
30.3 to 32.3 vDC
143
What is the maximum DC GEN voltage?
32.3 vDC
144
What is the battery current lower cautionary range?
–100 to 0 A
145
What is the battery current normal operating range
0 to 75 A
146
What is the battery current upper cautionary range?
75 to 400 A
147
What is the maximum battery current?
400 A
148
What is the minimum battery voltage?
20 vDC
149
What is battery voltage cautionary range?
20 to 24 vDC
150
What is the battery voltage normal operating range?
24 to 29 vDC
151
What is the maximum battery voltage?
29 vDC
152
When will the battery current display:
1) ---?
2) +++?
The battery current will display --- for a discharge state in excess of –100 A and +++ for a charge state greater than 400 A.
153
Above what temperature should the AVC system be turned off?
The AVC system shall be turned off when operating the aircraft with an OAT greater than ISA+26°C to avoid the possibility of overheating the Electronic Unit (EU).
154
What conditions allow the pilot flying to display the DMAP/TAP pages on his MFD during flight?
The DMAP or TAP pages shall not be displayed on the flying pilot's MFD during flight.
155
What is the maximum demonstrated precision instrument approach gradient?
7°.
156
What is the maximum rate of climb/descent to engage ALT mode?
Barometric Altitude Hold (ALT) mode shall not be engaged with a rate of climb or descent greater than 1000 fpm.
157
Above what capture angle is coupling to NAV on FMS prohibited while performing a DTO ?
90°
158
Under what conditions can the ELT be actuated for a test
It may be actuated for test under the following conditions only:
1. While on the ground.
2. During the first five minutes of each hour.
3. For a maximum duration of three sweeps of the warble tone (about one second).
4. The control tower has been notified prior to the test.
159
For how long can navigation rely solely on FMS during periods of FMS operating in Dead Reckoning (DR) mode?
Navigation shall not rely solely upon the FMS during periods of FMS operating in Dead Reckoning (DR) mode longer than 10 minutes.
160
What is the minimum hydraulic pressure?
1600psi
161
What is the hydraulic pressure cautionary range?
1600 PSI to 2700 PSI
162
What is the normal hydraulic pressure range?
2700 PSI to 3300 PSI
163
What is the maximum hydraulic pressure?
3300 PSI
164
How many rotor shutdowns using the rotor brakes can be performed in a 30 minute period?
3.
| A rotor shutdown using the rotor brake shall not be performed more than one time in any 10 minute period.
165
What is the minimum time to stop the rotor from 45% NR or greater with the rotor brake?
8 seconds.
166
What is the maximum rotor speed for emergency rotor brake application with both engines shut down?
107% NR .
167
What is the maximum rotor speed for normal rotor brake application?
65% NR .
168
What condition must be satisfied to operate one or both engines with the rotor brakes on?
Main rotor blades shall be positioned at approximately 45° to the longitudinal axis of the helicopter when one or both engines are operating with the rotor brake engaged.
169
Where can you find powerline information in the TAWS database?
Power lines are not included in the obstacle database.
170
What obstacles may not be included in the TAWS database?
The following obstacles might not be contained in the database:
1) Obstacles less than 200 feet.
2) Obstacles within 5 nautical miles of an airport that are less than 100 feet AGL.
3) New or non-charted obstacles.
171
How can you force the radar on on the ground?
When ground radiation is necessary for system checks or weather observation, the Forced Standby Mode can be overridden by cycling the STAB selection on the WXR VCP four times in three seconds.
172
What is the crosswind limit for Cat A vertical takeoffs and Landings from a ground helipad?
Category “A” vertical takeoffs and landings from a ground level helipad are
limited to 15 knots of crosswind component or less.
173
What is the maximum tailwind for a Cat A vertical takeoffs and landings from a ground level helipad ?
Category “A” vertical takeoffs and landings from a ground level helipad with a
tailwind component are prohibited.
174
What is the maximum crosswind component for Cat A vertical takeoffs and landings operations from a ground helipad?
Category “A” vertical takeoffs and landings from a ground level helipad are
limited to 15 knots of crosswind component or less.
175
What is the maximum tailwind component for Cat A, vertical take off and landing operations from a ground level helipad?
Category “A” vertical takeoffs and landings from a ground level helipad with a
tailwind component are prohibited.
176
What is the minimum helipad size ( Cat A vertical operations from ground level helipad ) for
1) Day time Operations
2) Night time Operations
Minimum helipad size for Category “A” vertical operations from a ground
level helipad is
50 x 50 feet during the day and
70 x 70 feet at night.
177
What is the minimum helideck dimensions ( Cat A vertical Operations from a ground level helipad) with take off decision point (TDP) heights of
1) 70ft or lower ?
2) 71ft to 110ft ?
```
Category “A” vertical takeoffs from a ground level helipad using Takeoff
Decision Point (TDP) heights of 70 feet and lower are limited to helipads 50 x 50 feet and larger.
```
Takeoffs using TDP heights of 71 feet to 110 feet are limited to helipads 100 x 100 feet and larger.
178
What is the Cat A, vertical profile take off and landing pressure altitude limit?
5,654ft
179
What is the Cat A, vertical profile take off and landing density altitude limit?
5,200ft
180
What is the minimum altitude for operation in a coupled hover (VHLD and RALT) or the departure (DPT) modes?
30 feet AGL.
181
What is the maximum Category “A” vertical takeoff and landing weight for helipads 70 x 70 feet and greater.
11,500 pounds (5,216 kilograms)
182
What is the maximum Category “A” vertical takeoff and landing weight for helipads less than 70 x 70 feet ?
11,200 pounds (5,080 kilograms).
183
What is the Maximum towing weight of the S76D?
Maximum towing weight is 11,875 pounds (5,386 kilograms).
184
When is ATT mode required to be engaged while conducting IFR operations ?
ATT mode is required to be engaged while conducting IFR operations under the following conditions:
> Instrument approach Flight Path Angles (FPA) in excess of 3°.
> Climbing flight in excess of 1700 fpm.
185
What temperature and tailwind restrictions apply to rotor brake use during engine operation?
In ambient conditions > 35°C, engine operation with the rotor brake ON is prohibited with a tailwind (winds from 90° to 270° relative to the nose).
186
How far-away from the aircraft must personnel be, before you can override the Forced Standby Mode?
The protection inherent in the Forced Standby Mode shall not be relied upon to prevent radiation of personnel in the vicinity of the aircraft. Do not select a radiation mode when personnel are close to the front of the aircraft.
Before overriding the Forced Standby Mode, ensure that personnel are at least 50 feet from the 270° segment centered on the nose of the aircraft.
187
What happens during Go Around (GA) when you actuate the
(1) Cyclic trim release
(2) collective trim release
Go Around (GA) can be engaged at or above 55 KIAS and will cause the aircraft to transition to a 750 fpm climb at 75 KIAS.
Actuating the cyclic trim release during GA will result in the aircraft capturing the current airspeed while continuing to transition to a 750 fpm climb.
Actuating the collective trim release during GA will result in the aircraft capturing the current airspeed and rate of climb.
