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United B737 (pitu) > Limitations (Good Working Knowledge) > Flashcards

Limitations (Good Working Knowledge) Flashcards

1
Q

Max runway slope

A

+- 2%

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2
Q

Max Takeoff / Landing Altitude

A

8400ft

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3
Q

Are there max operating latitude operations?

A

yes

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4
Q

Normal runway width?

A

45m

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5
Q

Minimum runway width

A

30m

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6
Q

What is a narrow runway?

A

A runway less than 148 feet (45meters) in usable width but not less than minimum runway width (100 feet)

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7
Q

What are the Takeoff requirements from narrow runways

A

Operational nosewheel steering and all brakes

Crosswind capability is diminished with thrust reverser or flight control deferrals

Ensure Takeoff V1 is great or than or equal to narrow runway calculated Vmcg

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8
Q

MMO

A

.82 Mach

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9
Q

Max gear retraction speed

A

235 kts

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10
Q

Max gear extension speed

A

270/.82

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11
Q

Max gear operating speed

A

320/.82

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12
Q

What are the flap positions?

A 
1
2
5
10
15
25
30
40
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13
Q

True or false?

Engine surge can occur with a strong crosswind component if takeoff thrust is set prior to brake release. Therefore, rolling takeoffs are strongly advised when crosswinds exceed 20 knots.

A

true

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14
Q

Can we depart with forward looking wind shear warnings or caution alerts are annunciated?

A

no

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15
Q

Max cabin pressure differential

A

9.1 psi

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16
Q

Max differential pressure for takeoff and landing

A

.125 psi

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17
Q

When engine bleeds are on (either one or both), do not operate air conditioning packs in _________ for takeoff, approach and landing.

A

When engine bleeds are on (either one or both), do not operate air conditioning packs in HIGH for takeoff, approach and landing.

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18
Q

Normal differential pressure

A

> 37,000 - 8.35 (+-.1)

28,000 - 37,000 - 7.8 (+-.1)

< 28,000 - 7.45 (+-.1)

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19
Q

Duct pressure for max cooling

A

20 - 25 psi

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20
Q

Minimum PSI for:

Duct pressure for two pack operation from one bleed source

A

20 - 25 psi

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21
Q

Takeoff is _______ in Moderate / Heavy freezing rain or hail.

A

Takeoff is PROHIBITED in Moderate / Heavy freezing rain or hail.

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22
Q

When is engine anti-ice required

A

All ground operations when in icing conditions

Inflight icing conditions unless colder than -40sat

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23
Q

When must engine ignition be selected to CONT?

A

Prior to and during engine anti-ice operation

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24
Q

When can you NOT use the wing anti ice?

A

After being sprayed with type 2 or 4 fluid

Or

While on the ground when OAT is above 10*C

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25
When can we not operate windshield wipers?
On a dry window
26
When must window heat be turned on?
10 minutes prior to takeoff
27
When must probe heat be turned on?
Prior to takeoff
28
If the wing anti ice is required after takeoff, when can you turn it on?
After the first thrust reduction
29
What may happen if you use wing anti-ice above FL350?
May cause bleed trip off and possible loss of cabin pressure.
30
Can you use aileron trim with the autopilot engaged?
no
31
When landing above 8,400 feet pressure altitude, when must the autopilot be turned off?
100 ft AGL
32
If there is no published MDA/DA, when must the autopilot be disconnected?
500 feet AGL
33
Autoland restrictions are:
At or below 8,400 pressure altitude Flaps 30 and 40 with both engines running Max glidslope angle 3.25* Minimum glidslope angle 2.5* FO not authorized
34
Autoflight Parameters:
Autoflight Parameters: Do not use autoland for overweight landings No autopilot or auto throttle when radio altimeter is inop FOs can’t autoland Do not use LVL CHG on final approach below 1000 AFE In all cases other than autoland, autothrottle must be disconnected no lower than 50 feet AGL.
35
Battery voltage for APU start
23v
36
Ignition must be used for
Takeoff Landing Heavy rain Engine anti-ice operations
37
Min oil PSI (700/800/900/9ER) - (MAX) -
Min oil PSI (700/800/900/9ER) - 13 psi (MAX) - 17.4 psi
38
Max oil temperature - Max continuous oil temp -
Max oil temperature - 155*C Max continuous oil temp - 140*C 141-150 for 45 min but only 15 min in the MAX
39
Max EGT limits (700/800/900/9ER) Takeoff (5 min) - Max Continuous - Start -
Max EGT limits (700/800/900/9ER) Takeoff (5 min) - 950*C Max Continuous - 925*C Start - 725*C
40
Max EGT limits (MAX model) Takeoff (10 min) - Max Continuous - Start -
Max EGT limits (MAX model) Takeoff (10 min) - 1038*C Max Continuous - 1013 *C Start - 753*C
41
When can we not use reduced thrust for takeoff?
If anti skid is inop If the runway is contaminated with standing water, ice, slush or snow. With the Engine Control (EEC) in ALTN mode
42
Can we use reverse thrust to back up?
NO
43
What modes must the Engine Control (EEC) be in for takeoff?
ON or ALTN
44
APU max altitudes: Bleed and electric: Bleed only: Electric only:
APU max altitudes: Bleed and electric: 10,000 feet Bleed only: 17,000 feet Electric only: 41,000 feet
45
Drain from the ________ fuel tank first and then switch to the ________
Upgrade To Pro | Center first then use wing fuel
46
When must a cooling period be observed for the APU starter duty cycle and how long must you wait?
A 15 minute cooling period must be observed after the 3rd start attempt.
47
Intentionally dry running of a center tank fuel pump (low pressure light) is _______
prohibited
48
When must you perform an operational check of the fuel CROSSFEED valve?
Upgrade To Pro | During the last hour of cruise flight during each extended range operation.
49
APU bleed air must be closed when:
Ground pneumatic air is connected and isolation valve is open Engine No. 1 bleed valve is open (eng 1 running) Isolation valve is open and eng. 2 bleed is open (eng 2 running) Note: APU bleed valve may be open during Engine start, but avoid engine power above idle.
50
What is the engine fire extinguisher bottle pressure?
800 psi at 70*F
51
Minimum and Maximum hydraulic quantity for dispatch
Upgrade To Pro Minimum ... Above RF Maximum ... 105%
52
When are flaps prohibited during holding?
When in icing conditions
53
What is the maximum limit for speed brakes in flight?
The FLIGHT DETENT
54
When extending or retracting flaps with the ALTERNATE FLAPS position switch, allow ______ after releasing the ALTERNATE FLAPS position switch before moving the switch again to avoid damage to the alternate flap motor clutch. After a complete extend / retract cycle (0 to 15 and back to 0) allow ________ cooling before attempting another extension.
When extending or retracting flaps with the ALTERNATE FLAPS position switch, allow 15 seconds after releasing the ALTERNATE FLAPS position switch before moving the switch again to avoid damage to the alternate flap motor clutch. After a complete extend / retract cycle (0 to 15 and back to 0) allow 5 minutes cooling before attempting another extension.
55
Autoland Max Winds- Headwind- Crosswind- Tailwind- (-900[401-412]) flaps 30: Field Elevation- 4000 feet or less: 4001-6000 feet: 6001 and above:
Upgrade To Pro Autoland- Max winds Headwind - 25 knots Crosswind - 15 knots Tailwind (flaps 30 and 40)** - 10 knots **(-900[401-412]) field elevation restrictions: <4000 - 10 knots 4001 - 6000 - 5 knots >6001 - 0 knots
56
When are speed brakes prohibited
Beyond flaps 15 RA less than 1,000 feet
57
Max speed with a Mach Trim Fail (both channels)
280 knots / .82 Mach
58
Except in Test mode, when can the radar NOT be used on the ground?
During fueling Within 50 feet of a fuel spill Within 15 feet of people
59
Fuel Tank Capacity - usable (700/800/900/9ER) Wing - Center - (MAX) Wing - Center -
Fuel Tank Capacity - usable (700/800/900/9ER) Wing - 1,288 g. / 8,630 lbs Center - 4,299 g. / 28,803 lbs (46,063 lbs total) (MAX) Wing - 1,273 g. / 8,529 lbs Center - 4,274 g. / 28, 639 lbs (45,697 lbs total)
60
The ________ tanks should be filled full prior to the ________ tank receiving fuel.
Wing Center
61
Drain from the ________ fuel tank first and then switch to the ________
Center first then use wing fuel
62
When must you perform an operational check of the fuel CROSSFEED valve?
During the last hour of cruise flight during each extended range operation.
63
Center tank fuel pumps must not be on unless?
A pilot is in the cockpit to monitor for a low pressure light.
64
Minimum and Maximum hydraulic quantity for dispatch
Minimum ... Above RF Maximum ... 105%
65
Maximum tire groundspeed (700/800/900/9ER) - (MAX) -
Maximum tire groundspeed (700/800/900/9ER) - 195 knots (MAX) - 204 knots
66
When must the RTO auto brakes be armed?
All takeoffs unless it’s INOP
67
When are auto brakes prohibited?
When antiskid is INOP
68
Autoland Max Winds- Headwind- Crosswind- Tailwind- (-900[401-412]) flaps 30: Field Elevation- 4000 feet or less: 4001-6000 feet: 6001 and above:
Autoland- Max winds Headwind - 25 knots Crosswind - 15 knots Tailwind (flaps 30 and 40)** - 10 knots **(-900[401-412]) field elevation restrictions: <4000 - 10 knots 4001 - 6000 - 5 knots >6001 - 0 knots

United B737 (pitu) (17 decks)

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