FDC General Knowledge for Fire Control Specialist (13J) Practice Test

These questions are part of the practice quiz. Start practicing

• Define 'time-sensitive target' and how the FDC handles it.
• Which statement best describes the difference between a local grid and the Military Grid Reference System (MGRS)?
• Supplementary deflection indexes indicate a change of how many mils in direction?
• How is mission data verified before posting to guns?
• Deflection is which of the following?
• Which unit is used to express small-angle increments in artillery?
• Which element of the five essential components provides the precise coordinates of the target?
• What color is the battery tick mark label for C BTRY on the firing chart?
• Which of the following is a correct pairing of mission with the required splash to observer?
• How does the FDC ensure synchronization of fire across multiple units?
• How does the FDC incorporate wind into firing data?
• Why is safety discipline emphasized in artillery operations?
• How does weather data influence fuse selection?
• The Observer-Target Line is?
• RALS is used for determination of?
• If an azimuth of 2700 is given, the back azimuth is?
• Which statement correctly describes the relationship between degrees and mils?
• What is the purpose of rehearsals (drills) in artillery operations?
• If the elevation is 900 mils, is this considered high-angle fire?
• What color is the battery tick mark label for B BTRY on the firing chart?
• What does the command "At My Command" do?
• Azimuth is which of the following?
• If Total Deflection Correction is 60 and Drift Correction is 15, what is the GFT Deflection Correction?
• On precision fire missions, the probable error in range is announced to the observer when it is greater than?
• Which color is not used for any battery tick mark label on the firing chart?
• How does the FDC handle fratricide avoidance during a fire mission?
• What unit is used to measure elevation angle in artillery?
• Define precision targeting and how it is achieved.
• Quadrant elevation must be always announced in each set of fire commands.
• Chart Range is determined to the nearest how many meters?
• What are the three types of GFTS?
• What is High-Explosive (HE) ammunition designed to do?
• What is a 'calculated move' in FDC operations?
• Chart data consists of which three items?
• What is the scale of a grid sheet used for firing charts?
• Which of the following is NOT a method used to plot targets on a firing chart?
• What is a 'spot report' and when is it used?
• If the target elevation is 16 degrees, how many mils is that?
• Why is it important to know the map scale in artillery plotting?
• An 8-digit grid locates to the nearest what distance?
• LARS stands for?
• What does Vertical Interval describe?
• What color is the battery tick mark label for A BTRY on the firing chart?
• Barrel wear in firing data is best described as:
• How does altitude and air density affect artillery ballistics?
• Which of the following is NOT a type of firing chart?
• Total Deflection Correction equals?
• Which practice helps mitigate target location uncertainty?
• Why is it important to provide a complete mission data sheet to the guns?
• What are the typical categories of enemy targets that inform FDC decisions?
• Tactical Fire Direction Includes processing calls for fire and determining the appropriate method of fire, ammunition expenditure, unit(s) to fire, and time of attack.
• Which tool is used to determine azimuth?
• Which method involves shifting from a known point?
• How many Mils are in one Degree?
• Which practice helps prevent friendly-fire by reviewing mission outcomes after execution?
• A 10-digit grid locates to the nearest what distance?
• If wind conditions change during a mission, what must the FDC do to the firing data?
• What role does the observer play in a fire mission?
• Which factor most directly supports rapid execution of urgent fires for time-sensitive targets?
• Convert 3 degrees to mils.
• What is the relationship between direction and elevation in firing data?
• A shell is fired at 0 degrees. How many mils is that?
• What are the two general types of fuzes used in artillery and what is their basic difference?
• If the elevation is 0.5 degrees, approximately how many mils is that?
• What four items comprise the Message to Observer?
• Which statement correctly differentiates azimuth from deflection?
• The Vertical Interval is defined as which of the following?
• The term fork expresses what?
• When the command 'Cease Loading' is issued, the Howitzer Section Chief may
• In forward observer operations, line of sight refers to the visual path between observer and target. How does this relate to indirect fire?
• What is the threshold mil value that defines high-angle fire?
• Tolerance between charts for Deflection is?
• If 1 degree equals 17.7 mils, how many mils are in 12 degrees?
• Tolerance between charts for Angle T is?
• Which elements are involved in selecting fuse and charge for a given target?
• Technical fire direction is the process of converting weapon and ammunition characteristics, weapon and target locations, and meteorological information into firing data.
• Which of the following is NOT one of the five requirements for accurate fire?
• What is a range card and what information does it contain?
• Illumination rounds data includes which of the following fields?
• Which statement correctly defines Angle-T?
• When is it appropriate to cancel a fire mission and why?
• Angle-T is the interior angle formed at the target by the intersection of which lines?
• Which statement about handling multiple targets during a single mission is correct?
• Which statement best defines muzzle velocity?
• What is the Gun-Target Line?
• If Site is 40 mils and Elevation angle is 30 mils, what is Quadrant Elevation?
• What is the meaning of time on target (TOT) in a coordinated fire plan?
• Chart Deflection and Chart Angle-T are measured in which unit?
• What is the purpose of a spotting round and when would it be used?
• Which practice is used to prevent accidental friendly-fire during a firing mission?
• Chart Deflection is determined to the nearest what?
• What is Vertical Interval equal to?
• What is the purpose of coordination with adjacent units for indirect fire?
• How does the Fire Direction Center manage multiple targets in a single fire mission?
• Which of the following is not a component of the Message to Observer?
• High angle means that the elevation is greater than what?
• Muzzle Velocity is measured in which unit?
• How many actual mills are in a circle?
• What does the danger close warning in a fire mission indicate?
• The vertex of the deflection angle is located at the
• LARS is used for determination of?
• Which statement about Quadrant Elevation is true?
• Given the Range tolerance of +/-30 meters, what is the maximum possible difference between two charts' Range readings?
• Which type of information is essential for computing firing data in technical fire direction?
• How does the FDC use a ballistic table or computer to derive firing data?
• What is time of flight (TOF) and why is it important in fire direction?
• What best describes a firing chart?
• What is a target marker and how is it used in a call for fire?
• Which of the following is not a typical unit for measuring elevation angle in artillery?
• Angle T is sent to the observer when it is greater than or equal to how many mils?
• Splash must be sent to the observer for which two types of missions?
• Which GFT type is used to illuminate targets?
• Which option lists the correct threshold for probable error in range for area fire?
• In a fire mission, TOT refers to which moment?
• Which approach is commonly used to achieve precision targeting in modern fire support?
• What color is the battery tick mark label for D BTRY on the firing chart?
• Which concept describes a region where firing is prohibited to protect noncombatants or critical infrastructure?
• Which statement about chart data tolerances is correct?
• Barrel wear primarily affects which aspect of firing data, necessitating adjustments?
• Gunner's quadrant is sent to the gun(s) as a special instruction when
• Deflection tolerance is measured in which unit?
• A complete mission data sheet must include which elements?
• Which data are input to ballistic computations when deriving firing data?
• In High Angle fire, as range decreases, the angle of elevation:
• Illumination rounds are used to light up an area at night. What data is typically included for these rounds?
• Which statement correctly differentiates conventional fire from airburst fire?
• How do enemy target categories inform munition choice and dispersion?
• On area fire missions, the probable error in range is announced to the observer when it is greater than?
• What is the Standard Condition for propellant temperature?
• Elevation is a function of which variable?
• Tolerance between charts for Range/Distance is what?
• Chart Angle-T is determined to the nearest what mils?
• What is the evolution of the FDC computer and its impact on accuracy?
• Approximately how many mils are in 5 degrees?
• Which practice contributes to synchronized fire across multiple units?
• What are the typical steps in a basic fire mission from observer to guns?
• What are the objectives of fire direction?
• How do you determine if a target is within a weapon's maximum effective range?
• How is Site defined?
• GFT Deflection Correction equals?
• What defines a No-fire area in artillery safety?
• Which meteorological factors are most critical for ballistics computations?
• What is the correct method to read a range on a map using a scale ruler?
• Target number must be included in the Message to Observer.
• What color is the military symbol for a radar on the firing chart labeled?
• Which item is included in chart data along with Chart Range and Chart Deflection?
• How is Quadrant Elevation calculated?
• Which statement correctly identifies who is responsible for all FDC operations?
• What is the immediate action after a spot report provides updated target information during a mission?
• Which statement best describes the scope of MGRS compared to a local grid?
• Which statement best describes the inclusion in the Message to Observer?
• Which statement best describes the scope of Tactical Fire Direction?
• What role does civilian protection play in call-for-fire planning?
• If Target Altitude is 5000 and Unit Altitude is 3500, what is the Vertical Interval?
• Which factor does weather data influence when selecting fuzes?
• Which item is NOT part of standard chart data?
• If there is an E BTRY, the tick mark on it would be labeled in which color?
• How many types of GFTS are there?
• What is the primary purpose of the Fire Direction Center (FDC) within an artillery battery?
• What is adjustment data and how is it applied during a mission?
• How do you compute Back Azimuth when the given azimuth is less than 3200?
• Which of the following is NOT a valid type of firing chart?
• What is the difference between 'adjust fire' and 'fire for effect'?
• How do the FDC and FO coordinate to avoid friendly-fire incidents?
• Which statement correctly describes back azimuth calculation?
• Who typically confirms and computes the firing data during a basic fire mission?
• Which of the following is NOT one of the five essential components a forward observer must provide when requesting fire?
• Which factor is essential for converting a measured map distance into the actual distance on the ground?
• RALS stands for?
• What is the Smart Guy Factor?
• Define 'grid azimuth' and its role in aligning the gun line with the target.
• Which statement is true about the three GFT types?
• Which item is included in the five essential components as the basis for stating how the target will be engaged?
• What is a gun line and how does it influence fire direction?