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United 737 Systems Validation Study Guide (26 July 2021) > Navigation/Autoflight > Flashcards

Navigation/Autoflight Flashcards

1
Q
  1. In the roll mode, VOR/LOC (engaged) commands _______.
A
  1. In the roll mode, VOR/LOC (engaged) commands _______.

• AFDS to track selected VOR course or track selected localizer course along the inbound front course bearing

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2
Q
  1. For a successful dual autopilot approach, tune the second VHF NAV receiver to the ILS frequency and engage the second A/P in CMD prior to _______.
A
  1. For a successful dual autopilot approach, tune the second VHF NAV receiver to the ILS frequency and engage the second A/P in CMD prior to _______.

• 800 feet RA

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3
Q
  1. Without FLARE armed by approximately 350 feet RA, _______________.
A
  1. Without FLARE armed by approximately 350 feet RA, _______________.

• both A/Ps automatically disengage

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4
Q
  1. A single channel autopilot approach _________.
A
  1. A single channel autopilot approach _________.

• does not provide an A/P go-around

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5
Q
  1. During an autopilot go-around, the first push of either TO/GA switch commands the thrust to advance towards the reduced go-around N1 to producing 1000 to 2000 fpm rate of climb. The second push of either TO/GA switch after A/T reaches reduced goaround thrust ______________.
A
  1. During an autopilot go-around, the first push of either TO/GA switch commands the thrust to advance towards the reduced go-around N1 to producing 1000 to 2000 fpm rate of climb. The second push of either TO/GA switch after A/T reaches reduced goaround thrust ______________.

• commands the A/T to advance to the full go-around N1 limit

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6
Q
  1. AFS provides speed, pitch and thrust commands that will prevent exceeding the following limit speeds:
A
  1. AFS provides speed, pitch and thrust commands that will prevent exceeding the following limit speeds:

• Vmo/Mmo, wing flap placards, landing gear placard and minimum speed

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7
Q
  1. A flashing “A” in the IAS/MACH Display represents _______.
A
  1. A flashing “A” in the IAS/MACH Display represents _______.

• an underspeed

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8
Q
  1. Pushing the N1 switch with the N1 light illuminated on the Mode Control Panel _______.
A
  1. Pushing the N1 switch with the N1 light illuminated on the Mode Control Panel _______.

• Deselects N1 mode and extinguishes switch light

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9
Q
  1. If the Autopilot Disengage (DISENGAGE) bar is pulled down, it _______.
A
  1. If the Autopilot Disengage (DISENGAGE) bar is pulled down, it _______.

• disengages both A/Ps

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10
Q
  1. The Stabilizer Out Of Trim (STAB OUT OF TRIM) light operates ________.
A
  1. The Stabilizer Out Of Trim (STAB OUT OF TRIM) light operates ________.

• only with the autopilot engaged

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11
Q
  1. An annunciation of “- - - “ on the Thrust Mode Display would indicate ________.
A
  1. An annunciation of “- - - “ on the Thrust Mode Display would indicate ________.

• the FMC is not computing thrust limit

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12
Q
  1. An illuminated Autothrottle Limit (A/T LIM) Indication indicates:
A
  1. An illuminated Autothrottle Limit (A/T LIM) Indication indicates:

• The A/T is using a degraded N1 thrust limit from the related EEC.

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13
Q
  1. CDU’s and autothrottles are controlled by the _____ FMC with the FMC Source Select Switch in the NORMAL position.
A
  1. CDU’s and autothrottles are controlled by the _____ FMC with the FMC Source Select Switch in the NORMAL position.

• left

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14
Q
  1. Placing the FMC Source Select Switch to BOTH ON R selects the______ for all FMC operations. The ______ map will annunciate _______.
A
  1. Placing the FMC Source Select Switch to BOTH ON R selects the______ for all FMC operations. The ______ map will annunciate _______.

• right FMC; Left; “FMC R”

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15
Q
  1. Do not engage autopilot below _____ on takeoff or missed approach:
A
  1. Do not engage autopilot below _____ on takeoff or missed approach:

• 400 feet AGL

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16
Q
  1. The ______ key on the CDU displays the page to input or change origin, destination, or route.
A
  1. The ______ key on the CDU displays the page to input or change origin, destination, or route.

• RTE

17
Q
  1. The ______ key on the CDU displays the page to input or change departure and arrival procedures.
A
  1. The ______ key on the CDU displays the page to input or change departure and arrival procedures.

• DEP ARR

18
Q
  1. The ______ key on the CDU displays the page to evaluate or modify lateral and vertical route data.
A
  1. The ______ key on the CDU displays the page to evaluate or modify lateral and vertical route data.

• LEGS

19
Q
  1. The ______ key on the CDU displays the page to view dynamic flight and navigation data, including waypoint and destination ETAs, fuel remaining, and arrival estimates.
A
  1. The ______ key on the CDU displays the page to view dynamic flight and navigation data, including waypoint and destination ETAs, fuel remaining, and arrival estimates.

• PROG

20
Q
  1. The ______ key on the CDU confirms data modification(s) to active status, and extinguishes the light.
A
  1. The ______ key on the CDU confirms data modification(s) to active status, and extinguishes the light.

• EXEC

21
Q
  1. When active data is modified but not executed, the ________ is illuminated white.
A
  1. When active data is modified but not executed, the ________ is illuminated white.

• execute light

22
Q
  1. The aircraft’s sole source of attitude and heading information are the ______ , except for the standby attitude indicator and standby magnetic compass.
A
  1. The aircraft’s sole source of attitude and heading information are the ______ , except for the standby attitude indicator and standby magnetic compass.

• IRSs

23
Q
  1. The IRS has begun the alignment process when the ______ light extinguishes and the ______ light illuminates.
A
  1. The IRS has begun the alignment process when the ______ light extinguishes and the ______ light illuminates.

• ON DC; ALIGN

24
Q
  1. The navigation mode (including present position and ground speed outputs) is ________________ if IRS alignment is lost in flight.
A
  1. The navigation mode (including present position and ground speed outputs) is ________________ if IRS alignment is lost in flight.

• inoperative for the remainder of the flight

25
25. Backup power to the _____ IRS is automatically terminated if ___ power is not restored within 5 minutes.
25. Backup power to the _____ IRS is automatically terminated if ___ power is not restored within 5 minutes. ## Footnote **• right; AC**
26
26. Selecting the TK/GS position of the display selector on the IRS Display Unit displays present true track course in the left window and ___________ in the right window.
26. Selecting the TK/GS position of the display selector on the IRS Display Unit displays present true track course in the left window and ___________ in the right window. ## Footnote **• present ground speed**
27
27. The aircraft must be ________ when placing the IRS mode selector to ALIGN for initial alignment.
27. The aircraft must be ________ when placing the IRS mode selector to ALIGN for initial alignment. ## Footnote **• stationary**
28
28. After selecting the IRS mode selector to \_\_\_\_\_\_\_\_\_, the IRS provides attitude and heading only.
28. After selecting the IRS mode selector to \_\_\_\_\_\_\_\_\_, the IRS provides attitude and heading only. ## Footnote **• ATT**
29
29. If an ALIGN Light on the Aft Overhead Panel flashes, it indicates that alignment cannot be completed due to IRS detection of \_\_\_\_\_\_\_\_\_\_.
29. If an ALIGN Light on the Aft Overhead Panel flashes, it indicates that alignment cannot be completed due to IRS detection of \_\_\_\_\_\_\_\_\_\_. ## Footnote **• a significant difference between previous and entered positions or an unreasonable present position entry • no present position being entered**
30
30. When the _______ light illuminates, a system fault affecting the related IRS ATT and/or NAV modes has been detected.
30. When the _______ light illuminates, a system fault affecting the related IRS ATT and/or NAV modes has been detected. ## Footnote **• FAULT**
31
31. When the _______ light illuminates the DC power for the respective IRS is not normal.
31. When the _______ light illuminates the DC power for the respective IRS is not normal. ## Footnote **• DC FAIL**
32
32. An amber illuminated GPS light indicates \_\_\_\_\_\_\_\_\_\_\_\_\_\_.
32. An amber illuminated GPS light indicates \_\_\_\_\_\_\_\_\_\_\_\_\_\_. ## Footnote **• failure of both GPS sensor units**
33
33. A displayed magenta color on the radar indicates ___________ .
33. A displayed magenta color on the radar indicates ___________ . ## Footnote **• heavy turbulence**
34
34. A displayed red color on the radar indicates ___________ .
34. A displayed red color on the radar indicates ___________ . ## Footnote **• strong returns, areas of heaviest rainfall**
35
35. A displayed yellow color on the radar indicates ___________ .
35. A displayed yellow color on the radar indicates ___________ . ## Footnote **• medium returns, moderate rainfall**
36
36. A displayed green color on the radar indicates ___________ .
36. A displayed green color on the radar indicates ___________ . ## Footnote **• light returns, light rainfall**
37
37. If you push the WX/T (turbulence) switch on the weather radar, this display \_\_\_\_\_\_\_\_\_\_.
37. If you push the WX/T (turbulence) switch on the weather radar, this display \_\_\_\_\_\_\_\_\_\_. ## Footnote **• weather radar returns and turbulence**
38
38. If you push the TEST switch on the weather radar, \_\_\_\_\_\_\_\_\_\_.
38. If you push the TEST switch on the weather radar, \_\_\_\_\_\_\_\_\_\_. ## Footnote **• tests weather radar system operation without transmitting • if on the ground with and the thrusts levers are not advanced for takeoff, tests the predictive windshear system**

United 737 Systems Validation Study Guide (26 July 2021) (14 decks)

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