Vanilla Arma Reforger mortar

M252 Mortar Calculator for Arma Reforger

The M252 is a vanilla Arma Reforger mortar: the gunner sets a number of rings and an elevation, and reads azimuth on the 6400 mil scale. Reforger FDC returns all three from the gun and target positions.

Open the calculator

What the calculator computes for the M252

From two points it takes range and azimuth, picks a ring count that covers the range, and returns the elevation and the time of flight. Where several charges reach the target, the other solutions stay in view. The difference is real: at 400 metres zero rings arrives in about 11 seconds and four rings in about 36, while the larger charge changes elevation more slowly with range, so an error in range costs less.

The altitude difference between the position and the target comes from the map terrain and is applied to the elevation. The M252 tables carry wind coefficients, and the correction is applied where the direction and range fall inside verified values. Where they do not, the application says the correction is missing and leaves the solution without it.

Things that catch people out

• The M252 azimuth scale is 6400 mils, while the 2B14 uses 6000. A number taken from one gun is wrong on the other, and the application always works in the unit that belongs to the selected weapon.
• There is no combat table below 100 metres, so a target that close has no solution. That is the table ending, not bad input.
• Smoke and illumination start at 200 metres and stop short of the HE round, so changing the projectile can remove a solution that was there a moment ago.

How to open the M252 in the application

1. Open Reforger FDC and choose the map workflow or the coordinate one.
2. In the weapon block select the M252 and the projectile you need.
3. Place the gun point and the target point; heights come from the terrain.
4. Read the rings, azimuth, elevation and time of flight, then mark the impact to get a correction.