State the distance in meters of your OT lane left and right of your target or adjusting point.
50 meters left and right
This distance is crucial for ensuring safety and accuracy during artillery operations.
What are the two heights of burst using proximity with the L166 fuze?
- High: 8–12 m (10 m ±2 m)
- Low: 2–6 m (4 m ±2 m)
These heights determine the effectiveness of the artillery rounds based on the target’s elevation.
Name seven instruments or aids an observer may carry.
- Map
- OP log book
- Shooting protractor
- Binoculars
- TAS equipment
- Compass
- Protractor
These tools assist in accurate targeting and observation.
What do NAI and TAI stand for?
- NAI: Named Area of Interest
- TAI: Target Area of Interest
These terms are used to define specific areas of focus during operations.
List the Call for Fire (CFF) in order.
- Observer’s identification
- Warning order
- Location of target
- Direction
- Description of target
- Distribution of fire
- Type of engagement
- Trajectory
- Ammunition
- Method of control
- Method of fire
- Termination
This sequence is essential for effective communication during artillery strikes.
Target is 2 km away, round lands 100 mils left. What correction?
Right 200
This correction is necessary to adjust the aim for accurate targeting.
Complete the splinter distance table.
- 105mm – Lethal: 40–50m; Safe open: 250–400m; Safe cover: 150–250m; Trigger: 700–800m
- 155mm – Lethal: 55–85m; Safe open: 400–500m; Safe cover: 150–250m; Trigger: 800–900m
Understanding splinter distances is vital for safety and operational effectiveness.
State five aims of a mission.
- Destruction
- Neutralisation
- Suppression
- Harassment
- Show of force
These aims guide the objectives of artillery missions.
AB545 Target Information headings.
- Target Number
- Description
- Location
- Altitude
- Remarks
This information is critical for identifying and engaging targets.
List three pieces of information sent in an OP established message.
- Grid/Location
- Zone/Arcs
- Visibility
This information is necessary for operational planning and coordination.
Name four requirements of an OP.
- Communication
- Concealment
- Survivability
- Covered approach
These requirements ensure the effectiveness and safety of observation posts.
Subtension rule.
At 1 km – 1 mil = 1 m; At 2 km – 10 mils = 20 m
This rule helps in calculating adjustments based on distance.
Zone definitions.
- 0–300 mils: No Zone
- 301–800 mils: Half Zone
- 801–1600 (or 2400) mils: Full Zone
These definitions are used to categorize areas for targeting and engagement.
Types of distribution of fire.
- Linear
- Circular
- Square
- Rectangular
- Converged
Different distributions are used based on tactical needs and target layouts.
Rules of adjustment.
- Select adjusting point
- Adjust onto reference line
- Establish long bracket
- Establish short bracket
- Adjust MPI/MPB
These rules guide the process of making accurate adjustments during fire missions.
Target 1 km away, round lands 80 mils right. What correction?
Left 80
This correction is necessary to align the aim with the target.
Mandatory orders of the CFF in sequence.
- Observer’s identification
- Warning order
- Location of target
- Description of target
- Direction
- Distribution of fire
- Type of engagement
- Trajectory
- Ammunition
- Method of control
- Method of fire
- Termination
This sequence is crucial for effective artillery communication.
