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Hydraulics > Fcr > Flashcards

Fcr Flashcards

1
Q

which radar factor does a narrower radar beam width improve?

A

time on target

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2
Q

the ah64 uses what type of radar system?

A

pulse wave radar system

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3
Q

during the periods between transmissions of a pulse radar system, what is the radar doing?

A

listening for the echo

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4
Q

what is the difference between a B- scope display and a c-scope display

A

B-scope displays target information in Azimuth and range
C-scope displays target information in azimuth and elevation

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5
Q

what are the three major components that make up the FCR?

A

MMA(mast mounted assembly), REU(radar electronic unit), RFI(radar frequency interferometer processor

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6
Q

how is the MMA cooled?

A

filtered ambient air drawn in from the surrounding environment

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7
Q

how are the other parts of the FCR cooled?

A

the other two components are located in the efabs, cooled by ecs air

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8
Q

which component is zeroized when the master zeroize switch is selected?

A

the non-volatile memory of the servo electronics within the REU

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9
Q

can the crew initiate another pbit if the FCR has timed out under extremely cold conditions?

A

yes, if 13 min have passed,the MP will report FCR as not operational, an additional FCR power up may then be started

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10
Q

what four items should the crew ensure prior to initiating an FCR power up sequence?

A

1 MMA must be unpinned
2 verify dms-util-boresight-bps offset value is correct
3 heading tape present
4 Evan temp is </= 63 F

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11
Q

should both crew members perform the FCR operational check?

A

if both crew members intend to use/operate it, then yes

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12
Q

how many scan sizes are available to the crew in any of the targeting modes?

A

4, wide, narrow, zoom, medium

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13
Q

there are three priority schemes resident within the REU, A,B,C, which targets do each emphasize?

A

A: airborne and stationary or moving ground targets
B: stationary ground targets
C: airborne moving targets

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14
Q

how can the PLT move the FCR centerline? How can the CPG move it?

A
  1. Acquisition source option - PLT: Automatic slave, CPG: must press slave
  2. Manually track using the RHG sight manual track - CPG only
  3. Left & right buttons on FCR page, available to cm who has it sight selected
  4. Executing the CUED search option in response to an RFI detect
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15
Q

which crewmember can make FCR centerline adjustments?

A

whichever one has it sigh selected

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16
Q

what does it indicate if the FCR page L/R arrows are barriered?

A

the CPG has the FCR as their selected sight, and slave button is active

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17
Q

how far does the centerline move when the FCR page L or R arrow is selected?

A

it will move left or right the number of degrees based on and equal to the current selected scan size

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18
Q

what is the minimum number of detected targets that can be displayed on the TDS?

A

256 in attack, the 16 highest priority will be bold

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19
Q

what is the max number of FCR detected targets that are displayed on the frc page?

A

16

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20
Q

if a no fire zone and a priority fire zone overlap, which takes priority for FCR target prioritization?

A
21
Q

How many targets is the FCR capable of detecting?

A

1023

22
Q

Upon completion of an FCR scan, the targets are displayed in “fully intensity”. What does this mean to the crew?

A

The target info is new or updated

23
Q

at the completion of an FCR scan, moving targets on the FCR page will go stale after how many seconds?

A

5 sec

24
Q

when is the NTS established?

A

at the end of the first scan of a scan burst

25
Q

what 4 things will cause the NTS icon to change?

A

1 selection of NTS at L1
2. Cursor selection of a different FCR icon
3. Sending a RFHO
4 Firing at the target with an RF missile

26
Q

what happens to the NTS if the crew actions a weapon system during a scan?

A

the REU will establish a NTS based on the targets detected up to that point and will display a NTS icon around the target icon

27
Q

what does a broken (Dashed) NTS symbol indicate?

A

FCR is not the selected sight
A weapon system is not actioned
Aircraft is not armed

28
Q

PLT sight select FCR, NTS is dashed, can CPG make the NTS symbol solid by arming acft?

A

Yes, ARM/SAFE button is common

29
Q

Which FCR mode is displayed in B-scope/ Rectilinear format?

A

RMAP mode

30
Q

What symbols will be available when changing between GTM and RMAP?

A

Target symbol data is maintained when operating between the 2 modes

31
Q

What is the maximum detection range for stationary ground targets displayed on the FCR page?

A

6k

32
Q

Can the pilot always link the m-tads to the FCR NTS?

A

Not if the CPG is using tads as a sensor (NVS mode switch in fixed or normal)

33
Q

What are the two single target track requirements?

A

Zoom scan size and continuous scan

34
Q

When is the link function ignored?

A

1 crewmember selected sight is hmd
2 no NTS target exists for tads to FCR
3 tads is being used as a sensor
4 proper equipment not installed
5 if either FCR or tads is selected as a sight, and the other id the acquisition source

35
Q

What will cause de-link?

A

1 link mode is toggled off
2 change in selected sight
3 change acquisition source
4 NVS mode switch is placed in norm or fixed w/ tads as a sensor

36
Q

The CPG has the tads linked to the FCR NTS. If the PLT sight selects the FCR, what sight will the MP assign the CPG?

A

Tads

37
Q

Which crewmember has control of the FCR page tgt button?

A

Both can store FCR targets using tgt button

38
Q

What two ways can the crew store targets when the FCR page TGT option is selected?

A

Selecting “all” or individually selecting target icons w/ curser

39
Q

What will happen if the ‘all’ button is selected from FCR TGT page is selected?

A

All tgts displayed (max 16) will be stored

40
Q

What happens if a crewmember cursor selects a target icon when the TGT button is selected from the FCR page?

A
  1. Crewmember selects CAQ from tsd
  2. Cursor select FCR target icon on the tsd
  3. FCR target location is stored in T50
  4. T50 will become the ACQ source of
41
Q

Who can send a rf handover(rfho)?

A

Person w/ sight selected tads, idm on a longbow net, nts present

42
Q

Is there a sending time out for a rfho?

A

No, it can be sent at any time, no matter how old the scanned target data

43
Q

When an rfho is received, which crewmember can receive the rfho message?

A

Either crewmember

44
Q

What does ‘nav data invalid’ message in the sight status field of the crewmembers HAD indicate?

A

FCR is selected sight, rfho data received is detected outside the navigational performance for weapons engagement

45
Q

When the rfho message is received, what must a crewmember do to transmit the information to the MP?

A

Sight select FCR to transfer data to the mp

46
Q

Once the nts target has been received and accepted, what is the time limit to conduct an engagement?

A

None

47
Q

What classifications of FCR target icons display in the ATM?

A

Helicopters, fixed wing, and unknown

48
Q

What does the upper number in the FCR page elevation altitude status window represent?

A

The upper altitude of radar coverage at the maximum radar range

49
Q

What does the lower number in the FCR page elevation altitude status window represent?

A

Lower altitude of radar coverage at the max radar range

Hydraulics (14 decks)

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