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DH8 > ATA34 Navigation > Flashcards

ATA34 Navigation Flashcards

1
Q 
Where Are the following Information normally presented on the EFIS system? 
A) DME dist
B) Radio Altitude
C) Numerical readout of HDG bug position
D) rate of turn
E) glideslope deviation
F) compass sync. Annunciator
A 
A) upper rh side ehsi
B) bottom rh side eadi
C) bottom lh side ehsi
D) center bottom ehsi
E) rh side both eadi and ehsi
F) ehsi upper rh side
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2
Q

On the NAV annunciator panel is above each EADI there is a button named REVN. What is the function?

A

Uses the other sides symbol generator. The EADI and EHSI will be a copy of the other sides indication

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3
Q

What is the arc mode and how is it selected?

A

90 degree arc on the EHSI, selected on the EFSI Display Controller or wx/terr or map

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4
Q

What is composite mode and how is it selected?

A

Combines information normally found on the EADI and the EHSI on one screen, should on screen fail. Turn off the screen on the EFIS Control panel

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5
Q

The red slave light on the AHRS controller is ON. What is the problem?
What other indications are there?

A

Lost connection to the flux valve. Red flag on the EHSI

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6
Q

What is the function of the HDG REV button on the EFIS controller?

A

Selects other side HDG source (ahrs) for ehsi display

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7
Q

The green BASIC light on the AHRS Controller is ON. What is the problem?

A

Lost TAS input from the ADC

On ground: AHRS has lost TAS from r,espective DADC
Airborne: AHRS has lost TAS from both DADCs

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8
Q

How many power sources are there for each each AHRS computer?

A

Two (ESS BUS —> battery and DC GEN)

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9
Q

What are the indications if compass HDG from AHRS #1 differs, say 10 degrees compared with compass HDG from AHRS #2?

A

HDG MISMATCH. HDG in amber rh upper corner of EADI, on if mismatch more than 6 degrees, 12 degrees airborne

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10
Q

What is the alignment time for the AHRS computers:

  • On ground
  • Airborne
A

60 seconds

90 seconds

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11
Q

Copilots pitot tube feeds pitot pressure to?

A

The ADC 2 and RH side ASI

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12
Q

The pilots static line feeds static pressure to?

A

ADC 1, ASI

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13
Q

The alternate static ports normally feeds static pressure to?

A

STBY altimeter, static source selector and cabin pressure controller

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14
Q

The VWO pointer on the airspeed Indicator varies with altitude according to the following schedule:

A

242 to 14000 ft
Then decrease to
207 at 25000 ft

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15
Q

If ADC #1 fails. What are the indications the secondary effects?

A

RED OFF fag on the failed sides altimeter.

XPDR1 and FMS1 losses air data.

DADC fail in advisory panel.

AP to basic if captain is pilot flying. If banked the airplane will level wings.

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16
Q

How do you select which ADC is the master?

A

HSI select switch

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17
Q

If no bearing is available, what is the position of the RMI needle if ADF is selected?

A

Klokka 9 eller klokka 3 for VOR

18
Q

What is the location of the ADF antenna?

A

Midt under buken

19
Q

Which ADC feeds encoded altitude (FL) to ATC transponder #1?

A

ADC #1 or #2

20
Q

What is the location of the IDENT pushbuttons?

A

IDENT swirch on the ATC controller or on the control wheel

21
Q

How many frequencies may be stored in Collins NAV control box?

A

4

22
Q

How is marker beacons presented?

A

Lower rh corner on EADI

23
Q

The bearing pointers (VOR or ADF) are presented on what instrument?

A

EHSI and RMI

24
Q

How do you differentiate between bearing pointers #1 and #2 on the EHSI?

A 
#1: blue single pointer with circle
#2: green double pointer with diamond
25
Q

What is the range of the Radio Altimeter

A

0to 2500 ft

26
Q

What is the location of the Decision Height (DH) set knob?

A

EFIS Control panel, switch #2 from the left

27
Q

Where is the rising runway presented?

A

EADI, 200 ft AGL

28
Q

What is controlling the rising runway?

A

The Radio Altimeter

29
Q

Which faults may cause the GPWS caution light to illuminate?

A
  • If RA fails on AC with only one
  • EGPWS computer fail
  • FMS not on
30
Q

What is the purpose of the GPWS FLAP OVERRIDE switch, and where is it located?

A

For å kunne lande flapless. Må ikke blandes med TO FLAP switch for å unngå takeoff warning. LH side consol.

31
Q

Which GPWS. Odes may be cancelled from the cockpit without disabling the whole system?

A

Below G/S

Itillegg kan “steep approach” modifisere EGPWS til å tollerere større sinkrate

32
Q

At what heights may the GPWS system become active?

A

På 2500 ft ettersom RA er viktigste input

Classic: 50-2450 RA
Enhanced modes: 0-2450 RA

33
Q

What are the differences between WX and CYC - modes?

A

WX/C - Weather Mode, neste trykk WX + cyclic. De røde feltene vil blinke

34
Q

The weather radar receives attitude (roll and pich) information from AHRS #1. What is it used for?

A

For å holde den stabilisert slik at den kan scanne horisonten

35
Q

What precautions must be observed when operating th weather radar on the ground?

A

Radiation. DH3 automatic STBY on ground

36
Q

Where may the radar display be presented?

A

På værradar og EHSI

37
Q

Define the target alert sector

A

THE TARGET ALERT ADVISE THE PILOT OF ANY POTENTIALLY HAZARDOUS TARGETS DIRECTLY IN FRONT OF THE AIRCRAFT OUTSIDE THE SELECTED RANGE

TGT
60-120 NM and +/- 7,5 degrees

38
Q

What is the purpose of the RCT mode?

A

Når radaren ikke har nok effekt til å se gjennom skyene, maler den blått i områdene den ikke klarer å scanne

39
Q

What Navaids are used by the FMS computer?

A

GPS (primary), DME-DME, DME-VOR om tunet

40
Q

For how long time is the navigation software program valid?

A

28 days ( AIRAC cycle)

41
Q

What is the location of the FMS Advisory lights?

A

On the glareshield

DH8 (13 decks)

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