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b737 cl > Aircraft parameters > Flashcards

Aircraft parameters Flashcards

1
Q

NA Crosswind limitation on a dry runway 45m (or greater) wide?

A

35 kts

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2
Q

Minimum HYD brake pressure?

A

2800 PSI

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3
Q

Max fuel imbalance for taxi take off & landing

A

453kg (1000 lbs)

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4
Q

Max operating altitude for classic and NG ?

A

37’000 (CL)
41’000 (NG)

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5
Q

Runway slope limitation …

A

+/- 2%

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6
Q

Max speed flap 1 & 2°?

A

CL: 230kts

NG: 250kts

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7
Q

Max speed flap 10°?

A

210 kts

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8
Q

Max speed flaps 15°?

A

195kts

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9
Q

Max speed flaps 30°?

A

185 kts

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10
Q

Max speed flap 40°?

A

156 kts

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11
Q

Max speed gear extension?

A

270 kts / M0.82

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12
Q

Max speed gear extended?

A

320 kts / M0.82

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13
Q

Max speed gear retraction?

A

235 kts

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14
Q

Max speed with windshield heat inoperative below FL100?

A

250 kts

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15
Q

Lowest altitude speed brake may be deployed?

A

1000 ft

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16
Q

Alternative flap duty cycle: flight: one cycle?

A

15 seconds between switch release; 5 minutes off after full extensions/retraction (call it 20 seconds to remain same as starting)

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17
Q

Max and Min Temp with visible moisture, Anti ice is required? At what horizontal distance of visibility is icing conditions posible?

A

-40°C SAT to +10° C TAT

1600m (1 SM)

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18
Q

Max APU start EGT?

A

760°C

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19
Q

Max APU continuous EGT

A

710° C

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20
Q

Max altitude while using APU bleed?

A

17’000 ft

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21
Q

Max altitude with APU bleed and elec load?

A

10’000ft

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22
Q

Max altitude with APU electric ?

A

CL: 35’000 ft NG: 41’000 ft

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23
Q

APU valve open is prohibited during:

A
  1. Ground air connected with isolation valve open.
  2. LH engine bleed valve open
  3. Isolation and RH bleed valve open. (May be open during engine start with thrust limited to idle)
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24
Q

Max headwind for auto land?

A

22 kts

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25
Q

Max crosswind for autoland CL & NG?

A

NG: 20 kts CL: N/A

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26
Q

Max useable fuel per main tank in litres and time?

A

+- 4500 kg = 1hr 45min

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27
Q

Max useable fuel in centre tank in litres and time?

A

+- 7000 kg = 2 hr 45min

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28
Q

Minimum allowable fuel temp?

A

at least 3°C above the freezing point of the fuel being used or –45°C, whichever is higher.

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29
Q

Min fuel in main tanks for operating electrical HYD pumps?

A

760kg

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30
Q

Max external air pressure?

A

60 psi

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31
Q

Minimum crew oxygen pressure?

A

1250 psi

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32
Q

Max engine RPM N1?

A

106%

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33
Q

Max engine rpm N2?

A

105%

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34
Q

Max engine EGT during takeoff (CL)? Whats the time limit?

A

930° C for 5 minutes (VH-PNI limited to 10 minutes if OEI)

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35
Q

Max continuous engine EGT ?

A

895° C

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36
Q

Max engine EGT during starting?

A

725° C

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37
Q

Minimum engine oil pressure?

A

13 psi

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38
Q

Max engine oil temperature?

A

165° for 15min (160° continuous)

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39
Q

Min duct psi required for starting?

A

30 psi (- 1 psi per every 2000 ft)

40
Q

Engine Starter duty cycle?

A

2min on
20 sec off
2min on
3 min off

41
Q

With one pack Inop, what’s the max altitude available?

A

FL250

42
Q

Min time before shutting down APU after using APU bleed?

A

1 min

43
Q

Lowest Altitude Autopilot may be activated after take off?

A

1000 ft (CL)
400 ft (NG)

44
Q

Min flap selection during autoland?

A

Min 30°

45
Q

Time limit @ take off thrust?

A

10 min (5 min VH-Onu)

46
Q

Restrictions during Holding in icing conditions?

A

Zero flaps

47
Q

What’s the minimum time speed must be reduced prior to entering hold?

A

3 minutes

48
Q

Engine start sw position ‘CONT’ requirements… (When are they mandatory?)

A

CONT for:

1) take off, landing,
2) heavy precipitation operations
3) anti ice operations.

49
Q

Do standby altimeters meet altimeter accuracy requirements of RVSM airspace?

A

No

50
Q

What is the maximum allowable in-flight difference between Captain and First Officer
altitude displays for RVSM operations?

A

200 ft

51
Q

What is the maximum allowable difference on-the-ground altitude display for RVSM between
Captain & F/O altimeter at SL?

A

40 ft

52
Q

What is the maximum allowable difference on-the-ground altitude display for RVSM between
Captain or F/O & the field elevation at SL?

A

75 ft for RVSM, however maximum IFR tolerance is 60ft.

53
Q

What is the maximum allowable difference on-the-ground altitude display, with the correct QNH set for IFR flight between the Captain/first officer & the field elevation at SL?

A

One altimeter indicating within 60 ft of AFE at the first point of checking, and both at the second check (next point of landing)

54
Q

When is it prohibited to operate the air conditioning packs in HIGH with either or both engine bleed air switches ON?

A

During takeoff, approach or landing. (Unless a NNC directs you to)

55
Q

On which VHF radio should the following frequencies be used as a primary means of comunicating? 120.000 MHz or 120.005 MHz

A

VHF 1 due to electromagnetic interference with right EFIS symbol generator and the VHF2 antenna.

56
Q

Maximum time limit for takeoff thrust?

A

10 minutes (5 minutes for VH-Onu)

57
Q

Engine cool down period required after landing?

A

3 minutes if Full reverse thrust was used.
2 minutes for idle reverse thrust.

58
Q

Maximum cabin altitude?

A

8000 ft

59
Q

At what speed does the engine idle and when does the engine idle change?

A

High idle varies but average = 32% inflight and

Low idle = 22% on the ground and reduces 4 seconds after touch down.

60
Q

What is the APU starter cycle before the start is automatically terminated? (Time required to reach proper speed and accelaration)

A

135 Seconds (2m15sec)

61
Q

Will the APU automatically shut down if the EGT exceeds 760° C?

A

No

62
Q

Maximum allowable fuel temperature?

A

49º C

63
Q

Is it permissible to take off with the AUTOBRAKE DISARM light annunciated?

A

NO

64
Q

Is it permissible to take off with the ANTI SKID INOP light annunciated?

A

Only from ports where maintencance facility to repair default is not available.

65
Q

What are the maximum and minimum speeds?

A
  1. Observe Vmo pointer and gear/ flap placards.
  2. Minimum Flap 40 + 100 kts.
  3. Max 0.78 Mach (Personal max)
66
Q

Maximum generator drive oil temperature:

A

157° C.

67
Q

Can a single PMC be on for take off?

A

No

68
Q

APU aborted start wait period between consecutive starts:

A

five minutes cooling is required between the second and third start attempt. A wait of one hour is required after the third start attempt. ( 5min + 1 hour)

69
Q

What is the wind velocity, main cargo door on freighter aircraft may be operated?

A

45kts

70
Q

How long must the APU run before shut down and what is the requirement prior?

A

1 min without any pneumatic (bleed air) load

71
Q

What is the recomended APU run time BEFORE putting a bleed air load on the APU?

A

One minute

72
Q

How many busses can the APU power in flight?

A

One in flight. Two on the ground.

73
Q

How many airconditioning packs can the APU supply bleed air to?

A

One in flight

74
Q

What will cause an automatic APU shut down?

A
  1. Overspeed
  2. low oil pressure,
  3. high oil temperature,
  4. APU fire, and
  5. fuel control unit failure.
75
Q

Does an exessively high EGT shutdown the APU? What occurs?

A

No … In the event of an over temperature, the bleed air valve will close rapidly.

76
Q

Up to what altitude does the APU operate?

A

Same as aircraft max operating altitude.

77
Q

How long after the engine start lever is moved to IDLE, should the EGT start rising?

A

10 seconds (CL) 15 seconds (NG)

78
Q

When does the engine max motoring occur? (Starting)

A

when N2 acceleration is less than 1% in approximately 5 seconds.

79
Q

When will the Abnormal Start Advisory System alert the crew (737-300)?

A
  1. ) the EGT reaches 725°C (CL)
  2. ) a calculated EGT limit based on inputs of N2 and outside air temperature is reached.
  3. ) the N1 fails to accelerate properly after N2 reaches 32%.
80
Q

How many igniters does each engine have?

A

Two

81
Q

Which bus powers the R igniters?

A

AC standby bus

82
Q

Below what altitude can the reversers be deployed?

A

10 ft RA

83
Q

In adition to the master caution light illumination, what can be an indication of a reverser malfunction?

A

The REVERSER light, located on the aft overhead panel, remains illuminated for more than 10 seconds.

84
Q

When can circuit breakers be reset? How many rests are permisible?

A

When directed to do so by the captain. One only

85
Q

What are three common causes of decompression?

A
  1. ) Explosion (MUST assess structural integrity)
  2. ) Gradual pressure loss
  3. ) Damage causing rapid loss of pressure (MUST assess structural integrity)
86
Q

What are non obvious signs of Loss of cabin pressure at high altitude?

A
  1. ) Sudden boiling of hot liquids
  2. ) Pain in the ears and sinuses
  3. ) Mist forming in cabin sometimes being confused with smoke
  4. ) The air becoming cold and thin
  5. ) A need to breathe rapidly
  6. ) Discomfort or pain due to pressure of gases trapped in the body
  7. ) Hypoxia, (lack of oxygen)
  8. ) Gas bubble formation in the circulatory system (The Bends).
87
Q

What will altimeter display if QNH is higher than the actual QNH

A

If QNH is too high, you will die. (A QNH that is higher than the actual QNH, 1013 opposed to 1012 will indicate a higher than actual altitude)

88
Q

What indications does the Abnormal start advisory system monitor (737-300)?

A

1) N2
2) fuel flow
3) EGT
4) OAT

during ground engine starts to detect conditions which may lead to an abnormal engine start.

89
Q

How will the Abnormal advisory start system advise the crew (73CL)

A

The crew is alerted by a flashing EGT digital display.

90
Q

How should fuel be distributed on the B737?

A

Wings tanks loaded FIRST until full. Centre tank is then filled.

Note: Wing Tanks must be full if Centre Wing Tank fuel contains more than 453 kg of fuel.

91
Q

When is the aircraft considered in trim and stabilised?

A

When the thrust and pitch have been set, and the pitch is trimmed with no further trim movement needed to maintain the pitch setting. This is not an instantaneous process, and must be complete before comparing indicated and expected airspeeds for accurate results.

92
Q

If an unreliable airspeed event occurs during takeoff at or after V1, what actions are to be carried out?

A

Set 15º pitch attitude, retract the landing gear, and maintain flap configuration. Climb at 15º pitch attitude until reaching acceleration height. At acceleration height, do the Airspeed Unreliable NNC memory items and checklist.

93
Q

How long should it normally take for the engines to stabilised during the takeoff roll, before pressing TO/GA?

A

2 seconds.

94
Q

If the N1 overshoots during the take off, what should the PM do?

A

Nothing. The thrust setting should remain unchanged until passing 400 ft, with the IAS stable, the PM may reduce N1.

95
Q

When should an engine start be aborted?

A
  1. N1 or N2 increases very slowly after the EGT increases.
  2. No oil pressure indication by the time that the engine is stable at idle
  3. EGT does not increase by 10 seconds (CL), 15 seconds (NG) after the engine start lever is moved to IDLE
  4. EGT quickly nears or exceeds the start limit

—————————
Remember S.P.E.L
SLOW rotation
PRESSURE indication low
EGT anomalies
LIMITS exceeded
~~~

96
Q

After engine start, when is the engine at idle? (NG)

A

The engine is stable at idle when the EGT start limit redline is no longer shown.

b737 cl (15 decks)

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