Aiming Circle

Question 1

What is the nomenclature for the aiming circle?

Answer 1

M2 or M2A2

Question 2

What are the distances the M2 needs to be away from electronic and metal objects?

Answer 2

Power lines / electronic equipment - 150m
Railroad tracks / tanks and trucks - 75m
Vehicles - 50m
Barbed wire - 30m
Mortars / telegraph wire - 25m
Helmets - 10m

Question 3

Define declination constant.

Answer 3

The declination constant of an instrument is the clockwise angle between grid north and magnetic north; that is, the grid azimuth of magnetic north.

Question 4

What are declination stations for?

Answer 4

To determine the declination constants of instruments and to correct for local attractions, annual variations and instrument errors.

Question 5

What does the acronym LARS stand for?

Answer 5

Left Add, Right Subtract

Question 6

When do you need to declinate the aiming circle?

Answer 6

When it is moves 25 miles or more from where it was last declinate

After and electrical storm or after receiving a severe shock, such as a fall from the bed of a truck

Every 30 days

When it is initially received or returned from maintenance

Question 7

What is the magnification level of the sight?

Answer 7

4 power

Question 8

What is the command the aiming circle gives the gunner after the 0 - 3200 line is parallel with the gun line?

Answer 8

Section, aiming point this instrument

Question 9

What command does the gunner give after splitting the sight of the aiming circle?

Answer 9

Aiming point identified

Question 10

After the deflection is given to the gunner and he realigned his mortar sight on the aiming circle lens and is with 1 mil what is the command to give

Answer 10

0 to 1 mil mortar laid