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x. ORAL STUDY GUIDE - 737NG > NAVIGATION / INSTRUMENTS > Flashcards

NAVIGATION / INSTRUMENTS Flashcards

1
Q
  1. What does an overspeed warning sound like?
A

 Clacker

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2
Q
  1. Can you test the overspeed warning system in the air?
A

 No

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3
Q
  1. If the mach / airspeed warning were to activate, could you cancel it?
A

 Yes, slow down

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4
Q
  1. What system or component sends the signal to the aural warning module to sound the clacker?
A

 ADIRU (Air Data Inertial Reference Unit)

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5
Q
  1. What does an illuminated GPS light mean?
A

 Failure of both GPS sensor units

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6
Q
  1. What does an illumination of the GPS light mean on RECALL?
A

 Failure of a single GPS unit

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7
Q
  1. What does an illuminated ALIGN (steady) light mean?
A

 IRS operating in ALIGN, INITIAL, ATT or SHUTDOWN cycle

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8
Q
  1. What does an illuminated ALIGN (flashing) light mean on the IRU panel?
A

 Difference in position entered or no position entered

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9
Q
  1. Does an extinguished ALIGN light on the IRU panel mean that the system is OFF?
A

 No

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10
Q
  1. Does an extinguished ALIGN light mean that

the system is in NAV and aligned?

A

 No, could be in ATTITUDE

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11
Q
  1. What does an illuminated FAULT light mean

on the IRU panel?

A

 ATT or NAV fault is detected in IRS

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12
Q
  1. What does an illuminated ON DC light mean?
A

 Momentary self test when first turned on or AC power not normal

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13
Q
  1. What does an illuminated DC FAIL light mean?
A

 DC power not normal

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14
Q
  1. Are the IRU’s the only source of attitude and heading information?
A

 No, integrated standby flight instruments (ISFD) or standby instruments and STBY compass

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15
Q
  1. If the airplane’s present position cannot be entered through the MCDU, how can it be entered?
A

 IRS Display Unit (ISDU)

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16
Q
  1. Must the airplane remain stationary during

alignment?

A

 Yes

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17
Q
  1. How long should an alignment normally take?
A

 5 to 17 minutes (7 to 10 a tour latitudes)

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18
Q
  1. Where can you see how much time is

remaining in the alignment process?

A

 ISDU-HDG / Status Pos

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19
Q
  1. When the IRU mode selector is first positioned left to NAV, the ON DC light comes on. Why?
A

 Self Test

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20
Q
  1. What is the normal power source for IRU #1?

Backup?

A

 Standby AC; Switched hot battery bus

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21
Q
  1. What is the normal power source for IRU #2?

Backup?

A

 AC Transfer bus #2, Switched hot battery

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22
Q
  1. If the IRU does not like the airplane position entered, what message will be displayed on
    the MCDU?
A

 Verify Position

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23
Q
  1. How do you initiate a fast realignment on

short turnarounds?

A

 Align, EnterPosition, NAV or Align, NAV, Enter Position

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24
Q
  1. How long will a fast realignment take?
A

 30 Seconds (aircraft must remain stationary)

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25
Q
  1. What happens if the airplane is moved during a fast realignment?
A

 IRS automatically begins a full alignment process when the aircraft stops moving

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26
Q
  1. Can IRU alignment be lost if the mode selector is moved out of the NAV position?
A

 Yes

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27
Q
  1. If alignment is lost in flight, can it be regained

before landing?

A

 No

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28
Q
  1. What would the IRU’s be good for if alignment

was lost in flight?

A

 Attitude Reference

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29
Q
  1. How long would it take to reestablish attitude

reference?

A

 30 Seconds straight & level flight

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30
Q
  1. What must be done by the crew to reestablish the heading reference?
A

 Enter actual heading

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31
Q
  1. What should the crew be concerned about

when using IRU heading reference?

A

 Updating it from time to time

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32
Q
  1. What alert would you get if an IRU was left ON

and the battery was the only source of power?

A

 Horn in Nosewheel well

33
Q
  1. If an IRU was to fail, could the affected pilot

benefit from the operating IRU?

A

 Yes, IRS transfer switch

34
Q
  1. Which IRU is the default IRU?
A

 Left for Left, Right for Right

35
Q
  1. If the aircraft reverted to STANDBY power,

what lights would you see on the IRS panel?

A

 On DC light on the right, no lights on the left

36
Q
  1. How long will the ON DC light remain illuminated on the right?
A

 5 Min, then it will shutdown

37
Q
  1. What does NORMAL position of the IRS/VHF

NAV/FMC switching allow?

A

 Default Operation

38
Q
  1. What does L/R position of the IRS/VHF

NAV/FMC switching allow?

A

 Switches both to left or right units

39
Q
  1. On the Displays-Source Panel what does

SOURCE refer to?

A

 Displays electronic unit (DEU)

40
Q
  1. When you switch ALL to 1 or 2, on the

Displays-Source Panel what are you switching?

A

 Single DEU control of all displays

41
Q
  1. In AUTO which displays are controlled by

DEU 1?

A

 Capt outboard
 Capt inboard
 Upper

42
Q
  1. In AUTO which displays are controlled by DEU 2?
A

 FO outboard
 FO inboard
 Lower

43
Q
  1. In AUTO, if DEU 1 failed, what would happen to the affected displays?
A

 DEU 2 controls

44
Q
  1. In AUTO, if DEU 2 failed, what would happen

to the affected displays?

A

 DEU 1 controls

45
Q
  1. What does CONTROL PANEL refer to?
A

 Displays or EFIS control panel

46
Q
  1. How is the NORMAL position of the switch different from BOTH on 1 or 2?
A

 Left controls Capt’s display and right controls FO’s display

47
Q
  1. What modes are Weather Radar available in?
A

 ARC or MAP

48
Q
  1. On EFIS Displays-Source Panel what modes is

TCAS display available?

A

 MAP or ROSE

49
Q
  1. On the Mode Control Panel when is the

Altitude Alert inhibited?

A

 Glide slope capture, flaps > 25

50
Q
  1. What is the default airspeed of the Mode

Control Panel when first powered up?

A

 100KTS

51
Q
  1. What is the default altitude of the Mode

Control Panel when first powered up?

A

 Displays previously selected altitudes

52
Q
  1. Is it possible to have BELOW G/S lights

illuminated with other aural and visual alerts active?

A

 Yes

53
Q
  1. When would this light illuminate?
A

 Excessive GS deviation(1.3DOT)

54
Q
  1. When can you inhibit the Below G/S Inhibit

alert?

A

 Below 1,000ft RA

55
Q
  1. What would the Display Switches be used for?
A

 Switching displays on respective display units

56
Q
  1. Moving the Captain’s main DU to MFD will give you what kind of display?
A

 Displays PFD on outboard display. Inboard display is blank until eng or sys is selected

57
Q
  1. What does an amber A/P light mean?
A

 Lighttest switch held in #1 position

58
Q
  1. What does a flashing red A/P light mean?
A

 Auto-pilot disengagement

59
Q
  1. What does a steady red A/P light mean?
A

 Stab out of trim below 800ft RA on a dual A/P approach, ALT ACQ inhibited on
 A/P GO-AROUND if stab not trimmed for single A/P operation

60
Q
  1. What does a FMC light mean?
A

 test #1 or #2 or a message exists for both MCDU’S

61
Q
  1. How long will the ISFD operate after the main battery (batteries) has been depleted?
A

 150 minutes

62
Q
  1. How long will the total time be for ISFD

operation with a single battery?

A

 180 minutes

63
Q
  1. What does the AUTO position mean on the Engine Display Control Panel?
A

 Both reference bugs set by the FMC

64
Q
  1. What does the BOTH position mean on the

Engine Display Control Panel?

A

 both reference bugs set manually

65
Q
  1. What does the 1 or 2 position mean on the

Engine Display Control Panel?

A

 respective engine N1 reference bug and readout set manually

66
Q
  1. What does the Fuel Flow Reset position do on the Engine Display Control Panel?
A

 Resets fuel used to zero/displays fuel used momentarily, decreases to zero then displays fuel flow

67
Q
  1. What does the Fuel Flow Used position do on the Engine Display Control Panel?
A

 Displays fuel used since last reset; after 10 secs display auto reverts to fuel flow

68
Q
  1. What happens if Fuel Used switch is held longer than 30 seconds?
A

 Fuel Used readout is deactivated for remainder of the flight

69
Q
  1. What does the AUTO position of the SPD REF switch do?
A

 FMC sets speeds and weights

70
Q
  1. What does the V1 position do on the Engine

Display Control Panel?

A

 Manually sets V1 on the ground / in-flight gives “V1 Invalid Entry” message

71
Q
  1. What does the VR position do on the Engine Display Control Panel?
A

 Manually sets VR on the ground / in-flight gives “VR Invalid” message

72
Q
  1. What does the WT position do on the SPD REF selector?
A

 Allows manual entry or reference gross weight

73
Q
  1. What does the VREF position do on the Engine Display Control Panel?
A

 Manually sets ref speed inflight / on the ground displays “VREF Invalid Entry” message

74
Q
  1. What does the SET position do on the Engine Display Control Panel?
A

 Removes the digital readout above the airspeed indication

75
Q
  1. What does the MFD engine switch display?
A

 Secondary engine indications on the lower DU or upper or inboard DU (Depending on the position of the display select panel selector)

76
Q
  1. What does the SYS position do on the Engine Display Control Panel?
A

 Displays hydraulic pressure and quantity on the lower DU (will also display brake temp and control positions if your aircraft has those options)

77
Q
  1. What are the three windows of the Flight Mode Annunciator (FMA)?
A

 Autothrottle, roll, pitch

78
Q
  1. How would you move the Captains Inboard

display to another location?

A

 Display select panel switch

x. ORAL STUDY GUIDE - 737NG (18 decks)

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