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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
Q

When can we not operate windshield wipers?

A

On a dry window

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26
Q

When must window heat be turned on?

A

10 minutes prior to takeoff

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27
Q

When must probe heat be turned on?

A

Prior to takeoff

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28
Q

If the wing anti ice is required after takeoff, when can you turn it on?

A

After the first thrust reduction

29
Q

What may happen if you use wing anti-ice above FL350?

A

May cause bleed trip off and possible loss of cabin pressure.

30
Q

Can you use aileron trim with the autopilot engaged?

A

no

31
Q

When landing above 8,400 feet pressure altitude, when must the autopilot be turned off?

A

100 ft AGL

32
Q

If there is no published MDA/DA, when must the autopilot be disconnected?

A

500 feet AGL

33
Q

Autoland restrictions are:

A

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
Q

Autoflight Parameters:

A

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
Q

Battery voltage for APU start

A

23v

36
Q

Ignition must be used for

A

Takeoff

Landing

Heavy rain

Engine anti-ice operations

37
Q

Min oil PSI

(700/800/900/9ER) -

(MAX) -

A

Min oil PSI

(700/800/900/9ER) - 13 psi

(MAX) - 17.4 psi

38
Q

Max oil temperature -

Max continuous oil temp -

A

Max oil temperature - 155*C

Max continuous oil temp - 140*C

141-150 for 45 min but only 15 min in the MAX

39
Q

Max EGT limits

(700/800/900/9ER)

Takeoff (5 min) -

Max Continuous -

Start -

A

Max EGT limits

(700/800/900/9ER)

Takeoff (5 min) - 950*C

Max Continuous - 925*C

Start - 725*C

40
Q

Max EGT limits

(MAX model)

Takeoff (10 min) -

Max Continuous -

Start -

A

Max EGT limits

(MAX model)

Takeoff (10 min) - 1038*C

Max Continuous - 1013 *C

Start - 753*C

41
Q

When can we not use reduced thrust for takeoff?

A

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
Q

Can we use reverse thrust to back up?

A

NO

43
Q

What modes must the Engine Control (EEC) be in for takeoff?

A

ON or ALTN

44
Q

APU max altitudes:

Bleed and electric:

Bleed only:

Electric only:

A

APU max altitudes:

Bleed and electric: 10,000 feet

Bleed only: 17,000 feet

Electric only: 41,000 feet

45
Q

Drain from the ________ fuel tank first and then switch to the ________

A

Upgrade To Pro

Center first then use wing fuel

46
Q

When must a cooling period be observed for the APU starter duty cycle and how long must you wait?

A

A 15 minute cooling period must be observed after the 3rd start attempt.

47
Q

Intentionally dry running of a center tank fuel pump (low pressure light) is _______

A

prohibited

48
Q

When must you perform an operational check of the fuel CROSSFEED valve?

A

Upgrade To Pro

During the last hour of cruise flight during each extended range operation.

49
Q

APU bleed air must be closed when:

A

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
Q

What is the engine fire extinguisher bottle pressure?

A

800 psi at 70*F

51
Q

Minimum and Maximum hydraulic quantity for dispatch

A

Upgrade To Pro
Minimum … Above RF

Maximum … 105%

52
Q

When are flaps prohibited during holding?

A

When in icing conditions

53
Q

What is the maximum limit for speed brakes in flight?

A

The FLIGHT DETENT

54
Q

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.

A

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
Q

Autoland Max Winds-

Headwind-
Crosswind-
Tailwind-

(-900[401-412]) flaps 30:
Field Elevation-
4000 feet or less:

4001-6000 feet:

6001 and above:

A

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
Q

When are speed brakes prohibited

A

Beyond flaps 15

RA less than 1,000 feet

57
Q

Max speed with a Mach Trim Fail (both channels)

A

280 knots / .82 Mach

58
Q

Except in Test mode, when can the radar NOT be used on the ground?

A

During fueling

Within 50 feet of a fuel spill

Within 15 feet of people

59
Q

Fuel Tank Capacity - usable

(700/800/900/9ER)

Wing -

Center -

(MAX)

Wing -

Center -

A

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
Q

The ________ tanks should be filled full prior to the ________ tank receiving fuel.

A

Wing

Center

61
Q

Drain from the ________ fuel tank first and then switch to the ________

A

Center first then use wing fuel

62
Q

When must you perform an operational check of the fuel CROSSFEED valve?

A

During the last hour of cruise flight during each extended range operation.

63
Q

Center tank fuel pumps must not be on unless?

A

A pilot is in the cockpit to monitor for a low pressure light.

64
Q

Minimum and Maximum hydraulic quantity for dispatch

A

Minimum … Above RF

Maximum … 105%

65
Q

Maximum tire groundspeed

(700/800/900/9ER) -

(MAX) -

A

Maximum tire groundspeed

(700/800/900/9ER) - 195 knots

(MAX) - 204 knots

66
Q

When must the RTO auto brakes be armed?

A

All takeoffs unless it’s INOP

67
Q

When are auto brakes prohibited?

A

When antiskid is INOP

68
Q

Autoland Max Winds-

Headwind-
Crosswind-
Tailwind-

(-900[401-412]) flaps 30:
Field Elevation-
4000 feet or less:

4001-6000 feet:

6001 and above:

A

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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