OMB Limitations Flashcards

1
Q

What is Vy

A

80 kts

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2
Q

What is max airspeed with take off power

A

90kts

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3
Q

What is max speed with NR set at 102%

A

90kts

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4
Q

What is max landing gear operating and flight speed extended?

A

150kts

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5
Q

What is min speed allowed under IFR

A

50 kts

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6
Q

What is max speed for IFR APP

A

150kts

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7
Q

What is max airspeed for wiper operations

A

140 kts

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8
Q

What is min speed in autorotation

A

40kts

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9
Q

Max airspeed with right door open

A

100kts

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10
Q

What is max airspeed with LH and both doors open

A

80kts

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11
Q

What is max airspeed to open doors

A

80kts

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12
Q

What is paved surface speed limits

A

Max taxi 40kts
Emerg landing speed 60kts

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13
Q

Ground speed limitations on prepared grass surfaces

A

Max taxi 20 kts
Max emerg landing speed 40 kts

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14
Q

What are the baggage compartment limits

A

200kg loaded to 600mm high

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15
Q

What are the slope landing limits for the 139

A

10 degree all round

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16
Q

What are the auto hover limit speeds

A

75kts IAS and 65 kts GS

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17
Q

What are the hoist weight limits

A

249 kg above 0 deg and 227 below 0 deg

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18
Q

What is max AUW for winching

A

6800kg

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19
Q

What is max winch speed fully loaded

A

150 ft min

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20
Q

What is the pilot winch control limited to

A

50% of nominal

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21
Q

What is max forward airspeed to winch

A

80 kts

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22
Q

What wind speed do you need to record all starts

A

Wind speed above 33 kts

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23
Q

What is max take off PI

A

110 Pi

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24
Q

What is starter duty cycle for engines

A

45 Sec on, 1 min off
45 Sec on , 1 min off
45 Sec on, 30 min off

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25
How much unusable fuel do we carry
10 Ltr each tank
26
What is max running speed for brake application
40 kts
27
What temp range for pitot tube operation
Turned on less than or equal to 4deg Turned off 10 deg or more
28
What is max baggage unit load
300 kg/sq m
29
What isTDP Range for helipad take off
35-70 ft
30
What is TDP for short field take off
35-400 ft
31
What is TDP for helipad backup take off
85-400ft
32
What is TDP for confined area procedures
100-400ft
33
What is Vy
80 kts
34
What is max airspeed with take off power
90kts
35
What is max speed with NR set at 102%
90kts
36
What is max landing gear operating and flight speed extended?
150kts
37
What is min speed allowed under IFR
50 kts
38
What is max speed for IFR APP
150kts
39
What is max airspeed for wiper operations
140 kts
40
What is min speed in autorotation
40kts
41
Max airspeed with right door open
100kts
42
What is max airspeed with LH and both doors open
80kts
43
What is max airspeed to open doors
80kts
44
What is paved surface speed limits
Max taxi 40kts (>6400 20kts) (>6800 10 kts) Emerg landing speed 60kts
45
Ground speed limitations on prepared grass surfaces
Max taxi 20 kts (prohibited >6400) Max emerg landing speed 40 kts
46
What are the baggage compartment limits
200kg loaded to 600mm high
47
What are the slope landing limits for the 139
10 degree all round
48
What are the auto hover limit speeds
75kts IAS and 65 kts GS
49
What are the hoist weight limits
249 kg above 0 deg and 227 below 0 deg
50
What is max AUW for winching
6800kg
51
What is max winch speed fully loaded
150 ft min
52
What is the pilot winch control limited to
50% of nominal
53
What is max forward airspeed to winch
80 kts forward within +/- 10 degrees azimuth, otherwise 35 knots below 7000’
54
What wind speed do you need to record all starts
Wind speed above 33 kts
55
What is max take off per
110 Pi
56
What is starter duty cycle for engines
45 Sec on, 1 min off 45 Sec on , 1 min off 45 Sec on, 30 min off
57
How much unusable fuel do we carry
10 Ltr each tank
58
What is max running speed for brake application
40 kts
59
What temp range for pitot tube operation
Turned on less than or equal to 4deg Turned off 10 deg or more
60
What is max baggage unit load
300 kg/sq m
61
What is the D value?
16.62
62
What is the overall length and rotor diameter?
16.62 m and 13.8 m
63
What is the cabin floor max load?
1000 kg
64
What is the VNE with one AP failed?
VNE - 27 kts
65
What is the max airspeed for climb with one AP?
100 kts
66
What is the max ROC for one AP?
1000 FPM
67
Max operating OAT?
+50 degrees
68
Max wind speed for rotor start and stop?
60 kts
69
When engaged if the speed reduces below 41 kts, which modes with not disengage?
ALT, RHT, HOV
70
What type of engine is installed on the AW139?
PWC PT6C-67C
71
NG AEO continuous
100.0%
72
NG AEO 5min T/O
102.4%
73
NG AEO transient
107.0% 5 sec
74
NG OEI Continuous
102.4
75
NG OEI 2.5 min
106.0%
76
NG OEI transient
107.0% 5 sec
77
ITT AEO continuous
735
78
ITT AEO take off
775
79
ITT AEO transient
847
80
ITT OEI continuous
775
81
ITT OEI 2.5 min
835
82
ITT OEI transient
847
83
Fuel capacity main tank
1255 (1588lts)
84
Fuel capacity aux tank
395 (500lts)
85
When does the low fuel light come on?
92 kgs
86
The normal operating range for MGB oil pressure?
3.1 - 6.0 bar
87
When does the MGB OIL TEMP CAS come on?
109 degrees
88
When does the IGB/TGB OIL TEMP CAS come on?
109 degrees
89
Normal ENG OIL pressure range
6.3 - 8.9 bar
90
When does the ENG OIL PRESS CAS come on?
< 4.2 bar
91
When does the ENG OIL TEMP CAS come on?
< 140 degrees
92
The normal operating range for HYD pressure
180 - 225 bar
93
When does the HYD OIL PRESS CAS come on?
< 163 bar
94
When does the HYD OIL TEMP CAS come on?
> 134 degrees
95
When can the rotor brake be applied?
1. Both engines off max 40% NR (90% emergency)