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Master Gunner 3-19 > Annex B > Flashcards

Annex B Flashcards

1
Q

Define ballistics

A

The science of the motion of projectiles

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2
Q

Define line of sight

A

A straight line between the gun sight and the target

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3
Q

Define line of elevation

A

A prolongation of a line running through the axis of the gun bore

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4
Q

Define line of departure

A

A prolongation of a line running through the axis of the gun bore as the projectile leaves the muzzle

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5
Q

Define vertical gun jump

A

The angle measured in mils between the line of departure of the projectile and the line of elevation

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6
Q

Define trajectory

A

The path of the projectile from the muzzle of the weapon to the first point of impact

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7
Q

Define range

A

Weapon to target distance

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8
Q

Define superelevation

A

The angle measured in mils between the line of sight and the line of elevation

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9
Q

Define DR/DSE

A

Change in range for a 1 mil change in superelevation

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10
Q

Define DH/DR

A

Change in height for a 100 meter change in range

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11
Q

Define drift

A

The number of mils the projectile moves to the right of the gun target line because of the spin caused by the rifling

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12
Q

Define time of flight

A

The amount of time it takes a projectile to reach a target at a selected range

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13
Q

Define 10km/h cross wind deflection

A

This effect of wind deflection assumes a 10km/h cross wind the correction is applied into the wind when wind speed is different from 10km/h the point of aim must be calculated

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14
Q

Define max ordinate

A

The maximum height the projectile travels above the line of sight at a given range

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15
Q

Define range to maximum ordinate

A

The range at which the maximum ordinate is reached out to this range the projectile is ascending the range to the maximum ordinate always occurs shortly beyond half the target range

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16
Q

Define angle of fall

A

The number of mils between the projectile’s trajectory at impact and the line of sight

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17
Q

Define remaining velocity

A

Speed of the projectile in meters per second at a selected range

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18
Q

What is the constant when converting mils to degrees

A

0.05625

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19
Q

Name all the 7.62 ammo types by name and nomenclature

A

M61 Armour piercing M62 Tracer M62 overhead fire M63 Dummy M80 Ball

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20
Q

Define distance X

A

Distance X is the maximum distance a projectile ( to include guided missiles and rockets) will travel when fired or launched at a given quadrant elevation with a given charge or propulsion system

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21
Q

Define gun target line

A

The gun target line is an imaginary line drawn between the firing position and the target position this is also referred to as the line of fire once the target area is defined, the sdz is built from the inside out

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22
Q

Dispersion Area

A

The dispersion area is the area within the sdz located between the gun target line and the ricochet area. It contains bursts or impacts being dispersed about the center of impact and accounts for human error gun or cannon tub wear propellant temperature and so forth

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23
Q

what does the M919 penetrate solely by

A

kinetic energy

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24
Q

what is the nomenclature of the fuse in the M792

A

M758 fuse

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25
what is the max range of the M240
3,725m
26
state the uses of the M80 ball ammunition
used against targets of light material, personnel, and during markmanship training
27
State the uses of the M62 tracer ammunition
used for observation of fire incendiary effect signaling and marking targets
28
m240 muzzle velocity
2,750fps
29
how is the m791 stabilized while in flight
the tungsten penetrator is spin stabilized
30
what is the m919 penetrator made of
depleted uranium
31
what is the arming distance of the m792
10-200m
32
max effective range of the m793
1600m
33
name all the 25mm ammo types by name and nomenclature
m791 is APDST m792 is HEIT m793 is TPT m794 is dummy m910 is TPDST m919 is APFSDST
34
max effective for the M240
900m
35
list the five parts of the TPT round
Primer case cartridge tracer body and rotating bans assembly aluminum windscreen
36
HEIT has how much HEI mixture
32 grams
37
what is the danger zone for the sabot
60 degrees on both sides of the gun target line for 100m
38
list the muzzle velocities for each 25mm round
m791 1,345 m792 1,100 m793 1,100 m919 1,525 m919 1,385 all (+/- 20) and unit of measure is mps
39
bursting radius for the m792
5m
40
what causes the sabot to discard
setback, centrifugal force, air pressure
41
what stabilizes the m919 while in flight
screw on fins
42
define grazing impact
the projectile may detonate if impact is sufficient during a direct impact or if the impact is insufficient spin decay will all the setback spring to overcome centrifigal force and force the body assembly forward thrusting the detonator into the firing pin
43
what is the m791 penetrator made of
solid tungsten alloy
44
what must be accompanied when requesting to establish a temporary firing range
surface danger area diagram
45
before selecting a site for a scaled or full caliber range what must be prepared and performed
detail map and ground reconnaissance
46
what may be reduced to a 15 degree elevation provided, provided the firing elevation of the gun
distance x
47
what must be know to calculate a maneuver box
average vehicle speed for the course, target lift time, and exposure time
48
what are the responsibilities of the MG
prepare SDAD and range overlay as required prepared scaled ranges if required organizing and setting up range firing exercises ensuring that range firing exercises are properly conducted coordinating targetry array and layout for range firing and qual establish remedial training as needed ensure effective LCE program is implemented for standardization
49
how does the ammunition nco check resupplys to ensure ammo is not restricted or suspended
verifies with the rso and TB 9-1300-385
50
what should be removed with a vertical or near vertical surface in the target area that might reflect the laser beam
mirriors plastic or glass or other flat mirrior like objects
51
true or false the rso whill have no more than two responsibilities during the exercise
false
52
full scale targets should be the same what as threat targets
the same size shape and color
53
who supervises all the work details during the conduct of the range
the operations chief
54
when planning lav-25 combat training the following area should be planned for and usally vary with tables to be trained
assets, battalion training and company training
55
what must a corpsman posses or be assigned prior to the conduct of the range
be assigned a sfety vehicle and driver. detailed route information to the nearest aid station or hospital. radio and or telephone with operating procedures to use during air medevac. the corpsman must provide an identification card (medical) or disposition form from the commander stating that his is qualified. inspect the medical personnel to ensure they have neccissary equipment and supplies needed for injuries that may be sustained during training
56
the oic can designate assistants who are responsible for what
areas of operation
57
the master gunner assists who and for what
the commander and the staff in planning, developing, and conducting gunnery training
58
what should provide guidelines to the firing unit for occupying the range and describe actions to be taken for hand over for specific tasks
SOP
59
when using a laser range finder and it is impracticle to remove flat mirror like objects from the target area how do you cover it
with lusterless paint or non-reflecting material such as cloth or cardboard
60
what does the sop include
guidelines for setting up the tactical range or trainig area and should describe actions to be taken for specific tasks
61
when prepairing a detailed map control measures that should be included but not limited to are
the assembly area, line of departure, training area boundaries guard positions, location of obsticles or restrictive terrain, ammunition supply point and after action review site
62
define area A
the secondary danger area that laterally parallels the impact area or ricochet area (depending on the weapon system) and contains fragments, debris and components from frangible or explosive projectiles and warheads functioning on the right or left edge of the impact area or ricochet area
63
define despersion area
the area within the surface danger area within the surface danger zone located between the gun target line and the ricochet area this area accounts for human error gun or cannon tube wear propellant temperature, etc
64
define distance Y
the maximum distance downrange at which a lateral ricochet is expected to occur when a projectile is fired at a given quadrant of elevation
65
define angle P
the area beginning at the firing point located to the left and right of the despersion area which defines the area which contains projectiles after making initial contact with the target medium
66
define distance w
the maximum lateral distance a projectile will ricochet after impacting within the despersion area distance w defines the maximum lateral edge of a ricochet area
67
define distance x
the maximum distance a projectile (to include guided missles and rockets) will travel when fired or launched at a given quadrant elevation with a given charge or propulsion system
68
define area F
the danger area to the rear of a weapon system that is endangered by backblast debris overpressure blast and hazardous impulse noise
69
define area B
the secondary danger area on the downrange side of the impact area and area which contains fragments debris and components from frangible or exploding projectiles and war heads functioning on the far edge of the impact area A
70
define gun target line
an imaginary line drawn between the firing position and target position also referred to as the line of fire
71
define angle Q
the angle begins at distance x located to the left and right of the desperion area which defines the area which contains projectiles after making initial contact with the target medium

Master Gunner 3-19 (4 decks)

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