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* B777 CATHEY STUDY GUIDE COPY > NAVIGATION > Flashcards

NAVIGATION Flashcards

(57 cards)

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1
Q

B777?

A

2

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2
Q

Which CDU page shows the GPS position?

A

POS REF 3/3 page

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3
Q

How can GPS position be displayed on the ND?

A

By selecting the POS switch on the EFIS control panel

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4
Q

What does the EICAS message “GPS” indicate?

A

When data from both GPS systems are unavailable or when both systems have failed

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5
Q

Can GPS navigation be inhibited?

A

Yes, by using the GPS NAV promt on the POS REF page

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6
Q

Is the ADIRU required for GPS navigation?

A

No

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7
Q

List the 4 parameters supplied by the ADIRS?

A
  1. Altitude
  2. Airspeed
  3. Attitude
  4. Hdg and postion
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8
Q

What Components make up the ADIRS?

A

The ADIRU, SAARU and air data modules

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9
Q

What bus power is required in order to turn the ADIRU on?

A

The BAT BUS

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10
Q

When can the ADIRU switch be used to turn the ADIRU off?

A

On the ground only

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11
Q

How is the ADIRU hot battery bus operation indicated on the ground?

A

ON BAT illuminates

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12
Q

What level is the ADIRU ALIGN MODE message?

A

EICAS memo

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13
Q

What does the ADIRU/ORIGIN disagree scratchpad message indicate?

A

Position error entry

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14
Q

How can the ADIRU mode be verified?

A

When operating normally there is no annunciation regarding the ADIRU. If in align mode this will be indicated by EICAS ADIRU ALIGN MODE

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15
Q

When does the automatic re-align mode occur?

A

If the aircraft stops for an extended period

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16
Q

What can the SAARU supply after an ADIRU failiure?

A

Attitude
Heading
Air data

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17
Q

How long does the SAARU supply backup heading for?

A

Three minutes

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18
Q

When can the crew set the SAARU heading?

A

3 min after ADIRU failiure

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19
Q

How will the crew know that a heading update is required?

A

There are no reminders other than the SET HDG promt on the CDU POS INIT page

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20
Q

On which CDU page is the SAARU heading set?

A

CDU POS INIT page

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21
Q

What will provide pilots air data after failiure of the ADIRU?

A

The SAARU

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22
Q

What is the pilots normal source for Air Data?

A

ADIRU

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23
Q

When will single channel air data occur?

Study These Flashcards
A

When the ADIRU and the SAARU air data are invalid

24
Q

Which air data channel supplies the standby instrument?

Study These Flashcards
A

The centre air data channel

25
After an ADIRU and SAARU failiure, what will provide captains air data?
Single channel air data
26
Which air data channel supplies the ISFD?
Centre air data channel
27
Can the ADFs be tuned automatically?
No
28
How are the DMEs tuned manually?
By entering the VOR portion of the VOR/DME pair on the NAV RADIO page
29
After a dual FMC failiure, when is the DME tuned to an ILS DME?
The EFIS control panel ND mode selector must be set to APP
30
Which CDU page displays the DME stations being used for radio updating?
POS/REF 2/3
31
What are the two conditions for FMC ILS tuning?
Within 50nm from TOD and 150nm from the runway or the FMC is in the descent mode
32
When should the pilots audibly verify the identification of a tuned navigation station?
When the tuned frequency remains display or an incorrect identifier displays
33
How are the VOR radios tuned after a dual FMC failiure?
Via the CDU ALTN NAV radio page
34
Where can the VOR/DME stations being used for radio updates be seen?
The POS REF page 2/3, as well as the NAV/RAD page and the ND
35
In flight, when will the selected transponder activate beacon and altitude reporting?
In modes: XPNDR, TA ONLY and TA/RA
36
When will the transponder function for Aircraft position monitoring on ground?
In any mode other than standby
37
What other functions can be enabled for the transponder?
TCAS TA/RA Air data ADS-B
38
What EFIS modes are compatible with weather radar?
Expanded display for VOR and APP as well as both MAP and MAP CENTERED
39
How is the weather radar transciver turned ON?
The WXR switch on the EFIS control panel
40
What type of turbulence can be predicted by the weather radar?
Turbulence in sufficient precipitation
41
What type of windshear detection is available from the weather radar?
Predictive windshear alerting
42
What type of advisories does TCAS provide?
Traffic advisories and | Resolution advisories
43
What EFIS modes are compatible with TCAS displays?
Both map modes and the expanded modes of VOR and APP
44
When will an RA be issued?
20 - 30 sec before an aircraft enters the conflict zone
45
What is the vertical distance of proximate traffic?
+-1200 ft
46
What are the PFD indications for an RA?
Filled red square
47
When should TA only be selected?
When flying with one engine inoperative
48
What are GPWS immediate alerts based upon?
Radio altimeter Glideslope Aircraft configuration Rate of descent
49
Can an obstacle and terrain alert be displayed simultaneosly?
No, obstacle replaces terrain
50
What terrain is displayed on the ND?
When the aircraft is lower than 2'000 ft above the terrain, all obstacles and terrain within 2'000 ft of aircraft barometric altitude
51
How does selection of TERRAIN on one side and WXR on the other side affect the displays?
Each display updates on alternating sweeps of the antenna
52
Which system displays immediate windshear alerts?
The PFD
53
When are PWS alerts enabled?
12 seconds after weather radar begins scanning for windshear. Below 1'200 RA
54
Does PWS require the weather radar to be switched ON?
Prior to take-off, yes | In flight below 1'200 ft RA, no
55
How many pitot tubes and static ports are there?
3 Pitot tubes | 6 static ports
56
How many angle of attack sensors are there?
2
57
How many TAT probes are there?
1

* B777 CATHEY STUDY GUIDE COPY (21 decks)

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