FM 6-40 TTP for Field Artillery Manual Cannon Battery U.S. - page 19

 

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FM 6-40 TTP for Field Artillery Manual Cannon Battery U.S. - page 19

 

 

FM 6-40/MCWP 3-1.6.19
MBL mean burst location
mixed graze a spotting used to indicate that the majority of a
group of rounds detonated upon impact versus in the
MCRES Marine Corps combat readiness evaluation system
air.
MD mortar datum plane (Firefinder mission type)
MO maximum ordinate
MDP meteorological datum plane
MOF method of fire
mean height of burst the average of the heights of burst of a
MOS military occupational specialty
group of rounds fired with the same data.
mph miles per hour
mean point of impact the arithmetic average of the point of
impact of a group of rounds fired with the same data
MPI mean point of impact
under a given set of conditions.
msg message
mechanical time fuze a fuze with a clocklike mechanism
controlling the time the fuze will function.
MT maneuver target, mechanical time (fuze)
met meteorological, meteorology
MTL maneuver target line
met corrections all measurable nonstandard conditions for
MTO message to observer
which we can account
MTOE modification tables of organization and equipment
meteorological data meteorlogical facts pertaining to the
MTSQ mechanical time superquick (fuze)
atmosphere, such as wind, temperature, air density,
and so on, that affect military operations.
MULE modular universal laser equipment
METL mission-essential task list
muzzle velocity the velocity of a projectile at the instant the
projectile leaves the muzzle of the weapon.
METT-T mission, enemy, terrain, troops, and time available
muzzle velocity variation the change in muzzle velocity
MGP M gauge point
from the standard muzzle velocity expressed in
MHL manufacturer’s hairline
meters per second.
MV muzzle velocity
MI mortar impact prediction (Firefinder mission type)
mil a unit of measure for angles that is based on the angle
MVCT muzzle velocity correction tables
subtended by l/6400 of the circumference of a circle.
MVV muzzle velocity variation
mil relation a gunnery formula expressed as mils = W/R in
which roils is the angular measurement in roils
between two points, W is the lateral distance (width)
N
in meters between two points, and R is the mean
N north, northing, neutralize (attack guidance matrix)
distance in thousands of meters to the points. This
relation is approximately true for angular
N/CH nuclear and chemical (attack guidance matrix)
measurements of less than 600 mils.
NATO North Atlantic Treaty Organization
min minute, minimum
NBC nuclear, biological, chemical
minimum quadrant elevation the minimum vertical angle of
the tube for a specific charge which, when fired,
NCO noncommissioned officer
ensures the round impacts within the physical
NE northeast
boundaries of a predesignated impact area for safety
reasons.
neutralization this knocks the target out of the baffle
temporarily.
minimum range (1) The least range setting of a gun at which
the projectile will dear friendly troops or obstacles
NL Netherlands
between if and the target. (2) The shortest distance a
gun can fire from a given position with a given charge.
NLT not later than
misfire (1) Failure of the propellant to ignite when the firing
NO Norway
circuit is complete. (2) Failure to fire or explode
no-fire area restrictive FSCM in which neither fires or the
properly. (3) Failure of the primer or the propelling
effects of fires are permitted.
charge to function wholly or in part.
northing the northward reading of grid values on a map.
mixed a spotting used to indicate that a group of rounds
equally detonated both in the air and upon impact.
NSN national stock number
mixed air a spotting used to indicate that the majority of a
number of rounds the part of the fire order or fire command
group of rounds detonated in the air versus upon
that indicates the number of rounds per tube to fire at
impact.
a specific target.
Glossary-8
FM 6-40/MCWP 3-1.6.19
NW northwest
indicates the end of a transmission with an answer
being expected.
O
P
observation post a position which possesses the
appropriate communications and other equipment to
PAD provisional aiming data
make military observations and from which fire is
directed and adjusted onto targets.
PADS position azimuth determining system
observed firing chart a chart on which the relative locations
pantel panoramic telescope
must be established by the adjustment of fire.
PC personal computer
observer-target line an imaginary straight line from the
PCR piece-to-crest range
observer to the target.
PD point-detonating
(fuze)
observer-target range the measured distance of the OT line.
PE probable error
obsr observer
PE
probable error in deflection
obturating band a nylon band located below the rotating
D
band that assists in forward obturation. Current
PE
HB
probable error in height of burst
projectiles include the illumination, rocket-assisted,
and Copperhead projectiles.
PE
probable error in range
R
obturation any process that prevents the escape of gases
PE
probable error in range to burnt
RB
from the tube of the weapon during the firing of the
projectile.
PE
TB
probable error in time to burst
OF observed fire
plt platoon
offset registration a registration that is conducted by one
PMCS preventive maintenance checks and services
gun from a position away from the rest of the platoon
or battery.
POC platoon operations center
ogive the curved forward part up to and including the tip of
point-detonating fuze a fuze that functions immediately
the projectile; also called the head.
upon impact.
POL petroleum, oils and lubricants
OIC officer in charge
polar coordinates (1) The direction, distance, and vertical
OL orienting line
shift from a known point to another point. (2) The
on-call targets planned targets, other than scheduled
direction, distance, and vertical shift from an
targets, on which fire is delivered when requested.
observer's location to the target.
OP observation post
polar plot the method of locating a target or point by means
of polar coordinates.
open sheaf (1) A type of sheaf in which each gun fires a
unique time, deflection, and quadrant to cause the
pos position, positive
rounds to impact in a straight line, perpendicular to
the GT line and centered on the target, with bursts
position constants all nonstandard conditions that are
spaced one effective burst width apart. (2) A fire order
difficult to identify, relatively small in magnitude, and
commanding that the target be attacked with an open
remain relatively constant for which we cannot
sheaf.
account. The purpose of solving a concurrent met is
to isolate the positiom constants.
OPORD operation order
pract practice
origin of the trajectory the center of the muzzle of a gun at
the instant the projectile leaves it.
precision registration the determination, by adjustment, of
firing data that will place the MPI of a group of rounds
OT observer to target
on a point of known location.
OUT (1) In conduct-of-fire procedure, a proword indicating the
end of a read back or the end of transmission with the
predicted fire the delivery technique of applying accurately
computed corrections (not determined by firing) to
same station expected to transmit. (2) In normal
standard firing data for all nonstandard conditions
RATELO procedures, a proword indicating the end of
transmission with no answer required.
(weather, weapon, ammunition, rotation of the earth)
to deliver accurate, surprise, nuclear, or nonnuclear
OVER (1) A spotting used to indicate that the burnt has
fire on any known target in any direction from any
occurred beyond the target along the OT line. (2) In
weapon limited only by the characteristics of the
normal RATELO procedures, a proword that
weapon and ammunition used.
Glossary-9
FM 6-40/MCWP 3-1.6.19
preferred charges the charges that are preferred for
range K a correction expressed in meters per 1,000 meters
measuring and transferring muzzle velocities
of range to correct for nonstandard conditions.
because of the consistent muzzle velocities produced
by these charges.
range probable error the range error caused by dispersion
that is exceeded as often as not in an infinite number
PRF pulse repetition frequency
of rounds fired at the same elevation and is a
numerical value given in the TFT. It is one-eighth the
probable error (1) An error that is exceeded as often as it is
greatest length of the dispersion pattern.
not. (2) The measurement of the impact distribution in
the dispersion pattern around the mean point of
range spread (1) An element of the fire order directing that
impact resulting in the development of units of
firing data be calculated to place the mean point of
measure (PROBABLE ERROR RANGE,
impact of two or more weapons 1,000(155 mm)
PROBABLE ERROR DEFLECTION) used in the
meters apart along the gun-target line (This technique
solution of the gunnery problem.
is used with illumination). (2) An element in the call for
fire requesting the target be engaged with a range
projectile an object projected by the application of exterior
spread sheaf.
force and continuing in motion by virtue of its own
inertia such as a bullet, shell, or grenade.
RAP rocket-assisted projectile
projectile family a group of projectiles that have exactor
RATELO radiotelephone operator
very similar ballistic characteristics.
RATT record, apply, transfer, tables (rule)
propellant that which provides the energy required to place a
projectile into motion. Some examples are powder
RDP range-deflection protractor
charges and rocket fuel.
REC radio electronic combat
propelling charge a powder charge that is set off in a
repeat an order or request to fire the same number of rounds
weapon to propel a projectile from the weapon
again with the same method of fire.
through the action of expanding gases in a confined
space produced by the burning of the powder.
restrictive fire area a restrictive FSCM in which specific
restrictions may not be exceeded or no fires delivered
propelling increment a distinct portion of a propelling charge
into this area without prior coordination with the
designed to permit separation of the charge for range
establishing headquarters.
adjustment purposes.
restrictive fire line a restrictive FSCM which prohibits fires
prox proximity
across it without prior coordination with the
proximity fuze a fuze designed to function when activated by
establishing headquarters.
an external influence such as the dose vicinity of the
restricted charges those charges within a charge group for
target.
which it is not preferred to transfer measured MVVs to
or from or for which it is not authorized to fire.
Q
RFT rapid fire table
Q quick (fuze)
rg range
QE quadrant elevation
ROF record of fire
QSTAG quadripartite agreement
rotating band the soft metal band around a projectile that
makes it tit tightly in the bore by centering it, thus
quadrant elevation the angle between the level base of the
preventing the escape of gases and giving the
trajectory and the axis of the bore when laid. It is the
projectile its spin.
algebraic sum of the elevation, angle of site, and the
complementary angle of site.
round (1) All parts that make up the ammunition necessary to
fire one shot (see complete round). (2) One shot
expended by a weapon.
R
rounds complete a term used to report that the number of
R reinforcing, right (ROF)
specified FFE rounds have been fired.
RAAMS remote antiarmor mine system
RSTA reconnaissance, surveillance, and target acquisition
range (1) The distance between any given point and an
RTI range to impact
object or target. (2) The extent or distance limiting the
operation of the gun.
S
range correction a change in firing data necessary to allow
for deviation because of nonstandard conditions.
S south, southing, suppression (ROF), suppress (attack
guidance matrix)
range-deflection protractor a device used to measure chart
range and deflection.
SDZ surface danger zone
Glossary-10
FM 6-40/MCWP 3-1.6.19
SE southeast
ST special text
sh shell
STANAG standardization agreement
SHD should hit data
std standard
sheaf planned planes of fire that produce a desired pattern of
subcal subcaliber
bursts with rounds fired by two or more weapons.
subsequent met a subsequent met is solved to determine
SHELL (1) Afire command specifying the type of projectile to
new met corrections that are applied to the position
be used in a fire mission. (2) A request for a specific
constants from a previous met to determine new total
type of round to be used in a fire mission. (3) A hollow
corrections.
projectile filled with explosives, chemicals, or other
supplemental charge a TNT-filled cylindrical container
material as opposed to shot, a solid projectile. (4) To
bombard or fire a certain number of rounds on a
usually used in deep cavity projectiles to fill the void
between the fuze, booster combination, and the
target.
booster charge.
shift (1) To transfer fire from one target to another. (2) The
suppression this limits the ability of enemy personnel to
deflection difference from one designated point to
another designated point used in opening or dosing
perform their mission.
the sheaf of artillery or mortar units.
surveyed firing chart a chart on which the location of all
SHORT (1) A spotting used to indicate that the round burst
required points are plotted.
short of the target in relation to the OT line. (2) A
sustained rate of fire the actual rate of fire that a weapon
round that strikes or bursts on the nearside of the
can continue to deliver for an indefinite length of time
target. (3) Around that is fired without sufficient range
without seriously overheating.
to reach the target.
SW southwest
SHOT a report that indicates a gun or guns have been fired.
sw switch
should hit data are data fired under standard conditions that
will cause the round to impact at a point of known
sweep fire a method of fire where weapons fire a constant
location.
quadrant elevation with several deflections in direct
relation to the direction of fire.
si site
side spray fragments from a bursting shell that are thrown
sideways from the line of sight.
T
sin sine
TA target acquisition
smk smoke
TAB target acquisition battery
SOP standing operating procedures
TAG target above gun
SP self-propelled
tan tangent
special corrections individual piece corrections applied to
target analysis the examination and evaluation of an enemy
time, deflection, and quadrant to place the FFE bursts
target situation to determine the most suitable
in a precise pattern on the target.
weapon, ammunition, and method required to defeat,
neutralize, of otherwise disrupt, delay, or limit the
special sheaf a type of sheaf in which each weapon fires a
enemy.
unique time, deflection, and quadrant to cause the
rounds to impact in a specific geometric pattern.
target grid a device for convecting the observer’s target
locations and corrections in respect to the OT line to
SPLASH a proword transmitted to the observer 5 seconds
corrections and target locations in respect to the GT
before the estimated impact of a volley or round of
line.
artillery, mortar, or naval gunfire.
TBG target below gun
spotting the process to determine either visually or
electronically the deviations of artillery or naval gunfire
terrain gun position corrections precomputed individual
from the target in relation to the OT line and supplying
piece corrections applied to the gunner’s aid on the
this information to the FDC for the purpose of
panoramic telescope and the correction counter on
adjustment or analysis of the effects of fire.
the range quadrant of each piece.
spotting line: sea observer-target line.
TF time of fight (GFT scale)
square a mark or measurement on projectiles used to denote
TFT tabular firing tables
standard weight or deviation from standard weight.
wt square weight
TGL time gauge line
SR self-registration
TGPC terrain gun position correction
Glossary-11
FM 6-40/MCWP 3-1.6.19
tgt target
US United States
ti time
USAFAS US Army Field Artillery School
time of flight the time in seconds from the time a projectile
USDA up, subtract; down, add (memory aid)
leaves the muzzle until it bursts.
USMC United States Marine Corps
time on target a restrictive command that allows the FDO or
FDC to control the time the rounds will impact at the
UTM universal transverse mercator
target.
TLE target location error
V
tml vel terminal velocity
VCO vertical control operator
TNT trinitrotoluene
VE velocity error
TOC tactical operations center
vertical angle the angle measured vertically, up or down,
TOE tables of organization and equipment
from a horizontal plane of reference and expressed in
plus or minus in roils depending on whether the
TOF time of fight
position is above or below the horizontal plane.
TOT time on target
vertical clearance the vertical distance by which a projectile
TRADOC US Army Training and Doctrine Command
must dear an intervening crest.
trajectory the path traced by a projectile in fight.
vertical interval (1) The difference in altitude between two
specified points or locations, such as the battery and
transfer limit the maximum difference in direction and range
a target. (2) The difference between the height of the
from a location or checkpoint within which corrections
weapon and the desired burst point.
for the checkpoint are assumed to be sufficiently
accurate to warrant application to any target justifying
VI vertical interval
its attack by a transfer of fire.
VT variable time
transitional ballistics the study of the transition from interior
to exterior ballistics.
VX nerve agent (persistent)
TU Turkey
tube wear wearing away of the interface of the bore as a
W
result of the combined effects of gas, washing,
scoring, and mechanical abrasion, which causes a
W west, westing
reduction in muzzle velocity.
WB white bag
WP white phosphorus
U
WR when ready
U up (ROF)
UBL unit basic load
UCARET unit (that fired registration), charge (fired during the
Y
registration and for which GFT setting applies), ammo
lot (used in registration), range ([chart or achieved]
yaw the angle between the direction of motion of the projectile
and the axis of the projectile-right, down, left, and up.
from the howitzer to point of known location),
elevation (adjusted or did hit), time (adjusted or did hit
fuze setting) (memory aid)
UK United Kingdom
Z
UP (1) A term used to indicate that the target is higher in
attitude than the OP or reference point used to locate
zone fire a method of fire where the weapons fire constant
it. (2) A correction used to indicate that an increase in
deflections with several different quadrants in direct
the height of burst is required.
relation to the direction of fire.
Glossary-12

 

 

 

 

 

 

 

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