Intro Test Flashcards
What is the maximum range that you can receive a return from the ELRF?
200m
What are the 5 video modes for the Improved Thermal Sighting System (ITSS)?
Normal Stare high Stare low Local area contrast enhancement (LACE) Target motion indicator (TMI)
When does overspill occur?
Overspill occurs when the laser beam is large enough to hit the first desired target and then hits an object behind the target
When does underspill occur?
Underspill occurs when an obstruction is between the laser and the desired target
What is the maximum effective range of the Target Practice with Trace (TP-T)?
1600m
What is the maximum effective range of the Armor Piercing Discarding Sabot with Tracer (APDS-T)?
2000m
What are the 3 types of detonations for the High Explosive with Incendiary Tracer (HEI-T)?
Direct impact
Grazing
Self destruct
What are the eight steps in the cycle of operations for the M242?
SEAR Feed Ram Lock Fire Unlock Extract Eject
What is condition 2 for the M240 coaxially mounted machine gun?
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
What is condition 1 for the M240 coaxially mounted machine gun?
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
What is condition 2 for the M242?
Rounds in ready box Rounds in feed chute Rounds in feeder Ghost round cycled Manual safe on safe Electrical safe on safe
What is condition 3 for the M242?
Rounds in ready box Rounds in feed chute Rounds in feeder Ghost round not cycled Manual safe on safe Electrical safe on safe
What is the immediate action process for a runaway coax?
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
What is the immediate action for clearing a hit M240 coax?
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
What is immediate action procedure for a main gun misfire?
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
What is the immediate action for a runaway turret?
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
What range is the M240 coax boresighted at?
1000m
What range is the main gun boresighted in wide field of view?
800m
What range is the M240 coax zeroed at?
800m
How far and in what direction do you rotate the boresight scope during collocation?
180 deg in a clockwise direction
What are the 3 different types of scans?
Rapid
Slow
Detailed
What are the 5 different target location methods?
Clock Sector Traverse Reference point Grid
What are the three types of target classification?
Most dangerous
Dangerous
Least dangerous
What are the 3 elements of a Crew acquisition report?
Alert
Description
Direction
What are the 5 target signatures for infantry?
Fighting holes Broken vegetation Footprints New or old fires Noise and trash
What are the 6 elements of a fire command?
Alert Weapon/ammo Direction Description Range Execution
What are the required elements of a fire command?
Description
Execution
What are the 5 proper response terms?
Identified Can not identify In the way Friendly No solution
What are the 4 proper execution terms?
Fire
Fire and adjust
At my command
From my position
Lost the 5 observation of fires terms
Target Lost Short Over Doubtful
What does BOT and TOT mean?
Burst on target
Tracer on target
What are the 2 types of methods of engagement?
Precision
Battlesight
What is the battlesight range for AP?
0-600m
825-1600m
What is the battlesight range for HEI-T?
0-950m
What are the 5 special uses for the main gun?
Recon by fire Designating targets Firing through concealment Incendiary fires Sir defense measures
What are the authorized lubricants for the M240?
CLP
LSA
LSA-T
LAW
How far should the recoil mechanism indicator protrude from the recoil mechanism?
.5-1.1 inches
What does it mean when a vehicle is flying a red and green flag on the range?
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.
What does it mean if a vehicle is flying a yellow and green range flag?
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.
What are the 2 techniques for direct fire adjustment?
Burst on target
Tracer on target
