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LAR > Intro Test > Flashcards

Intro Test Flashcards

1
Q

What is the maximum range that you can receive a return from the ELRF?

A

200m

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2
Q

What are the 5 video modes for the Improved Thermal Sighting System (ITSS)?

A 
Normal
Stare high
Stare low
Local area contrast enhancement (LACE)
Target motion indicator (TMI)
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3
Q

When does overspill occur?

A

Overspill occurs when the laser beam is large enough to hit the first desired target and then hits an object behind the target

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4
Q

When does underspill occur?

A

Underspill occurs when an obstruction is between the laser and the desired target

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5
Q

What is the maximum effective range of the Target Practice with Trace (TP-T)?

A

1600m

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6
Q

What is the maximum effective range of the Armor Piercing Discarding Sabot with Tracer (APDS-T)?

A

2000m

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7
Q

What are the 3 types of detonations for the High Explosive with Incendiary Tracer (HEI-T)?

A

Direct impact
Grazing
Self destruct

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8
Q

What are the eight steps in the cycle of operations for the M242?

A 
SEAR
Feed
Ram
Lock
Fire
Unlock
Extract
Eject
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9
Q

What is condition 2 for the M240 coaxially mounted machine gun?

A 
Rounds in ready box
Rounds in feed chute
Rounds on feed tray
Feed tray cover closed
Bolt to the rear
Manual safe on safe
Electrical safe on safe
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10
Q

What is condition 1 for the M240 coaxially mounted machine gun?

A 
Rounds in ready box
Rounds in feed chute
Rounds in feed tray
Feed tray cover closed
Bolt forward
Manual safe on fire
Electrical safe on safe
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11
Q

What is condition 2 for the M242?

A 
Rounds in ready box
Rounds in feed chute
Rounds in feeder
Ghost round cycled
Manual safe on safe
Electrical safe on safe
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12
Q

What is condition 3 for the M242?

A 
Rounds in ready box
Rounds in feed chute
Rounds in feeder
Ghost round not cycled
Manual safe on safe
Electrical safe on safe
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13
Q

What is the immediate action process for a runaway coax?

A

Point coax in a safe direction
Set turret power CB to off
Set weapon power CB to off
I’d coax gun keeps firing after power is removed
Pull charger cable back and hold it there
Grab coax ammo belt at ammo box, twist and hold it there
If near end of ammo belt, let coax gun fire untill end of ammo

If gun is not hot go to step 7
If gun is hot wait 30 minutes
Clear coax gun
Unload coax gun
Notify organizational maintenance
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14
Q

What is the immediate action for clearing a hit M240 coax?

A

Notify all persons aboard vehicle to cool off danger
Notify driver to stop vehicle
If conditions permit, commander aims gun downrange, sets turret power, weapons power and auxiliary power CB to off, and sets turret drive lock lever to locked. All personnel evacuate turret
After 30 minutes return to turret and clear the coax

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15
Q

What is immediate action procedure for a main gun misfire?

A

Check bolt position indicator to confirm misfire
If first round was a misfire, ensure Manual safety is set to fire
Wait 5 seconds after misfire and press misfire reset button
Set 200/100/ss switch to ss
Grasps and hold palm switch, lift trigger guard and squeeze trigger bolt indicator should cycle from misfire to sear

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16
Q

What is the immediate action for a runaway turret?

A

Set turret power control box to off, if turret does not stop got o paragraph 2-48 step 2
To engage manual mode release palm switch
Notify driver to set vehicle master switch to off
Set turret drive lock lever to locked
Notify organizational maintenance

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17
Q

What range is the M240 coax boresighted at?

A

1000m

18
Q

What range is the main gun boresighted in wide field of view?

A

800m

19
Q

What range is the M240 coax zeroed at?

A

800m

20
Q

How far and in what direction do you rotate the boresight scope during collocation?

A

180 deg in a clockwise direction

21
Q

What are the 3 different types of scans?

A

Rapid
Slow
Detailed

22
Q

What are the 5 different target location methods?

A 
Clock
Sector
Traverse
Reference point
Grid
23
Q

What are the three types of target classification?

A

Most dangerous
Dangerous
Least dangerous

24
Q

What are the 3 elements of a Crew acquisition report?

A

Alert
Description
Direction

25
Q

What are the 5 target signatures for infantry?

A 
Fighting holes
Broken vegetation
Footprints
New or old fires
Noise and trash
26
Q

What are the 6 elements of a fire command?

A 
Alert
Weapon/ammo
Direction
Description
Range 
Execution
27
Q

What are the required elements of a fire command?

A

Description

Execution

28
Q

What are the 5 proper response terms?

A 
Identified
Can not identify
In the way
Friendly
No solution
29
Q

What are the 4 proper execution terms?

A

Fire
Fire and adjust
At my command
From my position

30
Q

Lost the 5 observation of fires terms

A 
Target
Lost
Short
Over
Doubtful
31
Q

What does BOT and TOT mean?

A

Burst on target

Tracer on target

32
Q

What are the 2 types of methods of engagement?

A

Precision

Battlesight

33
Q

What is the battlesight range for AP?

A

0-600m

825-1600m

34
Q

What is the battlesight range for HEI-T?

A

0-950m

35
Q

What are the 5 special uses for the main gun?

A 
Recon by fire
Designating targets
Firing through concealment 
Incendiary fires
Sir defense measures
36
Q

What are the authorized lubricants for the M240?

A

CLP
LSA
LSA-T
LAW

37
Q

How far should the recoil mechanism indicator protrude from the recoil mechanism?

A

.5-1.1 inches

38
Q

What does it mean when a vehicle is flying a red and green flag on the range?

A

The LAV-25 is preparing to fire or the crew is conducting a non-fire exercise
The 25mm gun feeder may be loaded but the bolt is in the SEAR position, the weapon arm switch is on safe and the manual safety is on.
The M240 coax machine gun may be loaded, bolt to the rear and manual safety on.
Ammo is either stowed onboard or loaded in the ready boxes.
The ammo box is attached to the M240B swing mount.
The weapon is clear, bolt forward and the safety is on fire.

39
Q

What does it mean if a vehicle is flying a yellow and green range flag?

A

The LAV-25 has a malfunction and all weapons are clear. The weapon arm switch is on SAFE and manual safety is on. There is no ammo on board.

40
Q

What are the 2 techniques for direct fire adjustment?

A

Burst on target

Tracer on target

LAR (1 decks)

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