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Fire Control System (FCS)

Definition

An integrated optic, rangefinder, and ballistic solver that computes and displays a real-time firing solution. Examples: TrackingPoint PGF, Elbit FALCON, Rafael MARS. Logs shot data including range, atmospheric conditions, and applied correction.

Components
Optic, rangefinder, ballistic solver
Function
Computes and displays a real-time firing solution
Examples
TrackingPoint PGF, Elbit FALCON, Rafael MARS
Logged data
Range, atmospheric conditions, applied correction

Common questions

Why is the logged data from a fire control system useful in a forensic ballistics investigation?+

Because the system records the range, environmental inputs, and correction it applied at the moment of the shot, that log can corroborate or contradict a shooter's account of distance and conditions independent of a post-incident scene reconstruction.

How does a fire control system differ from a standard telescopic sight in what it forensically leaves behind?+

A conventional scope leaves no record of the shot at all, while an FCS stores the computed solution and inputs electronically, giving investigators a data trail that a standard optic cannot provide.

Related terms

4DOF Model
A four-degree-of-freedom ballistic model that adds aerodynamic pitch and yaw to the standard 2DOF (gravity + drag) model, accounting for spin drift...
BDC (Bullet Drop Compensator)
Elevation turret or reticle markings that encode the required elevation correction for a specific load at preset ranges. Allows rapid correction without...
Coriolis Effect
Apparent deflection of a moving body due to the rotation of the Earth. In the Northern Hemisphere, deflects projectiles to the right...
Eötvös Effect
The vertical component of the Coriolis effect on a bullet. Increases impact elevation for eastward-fired shots, decreases it for westward-fired shots. Typically...
Laser Rangefinder (LRF)
A device that measures range by timing the return of a laser pulse from the target. Typical accuracy: plus or minus 1...
Magnus Effect
A force on a spinning body in a crosswind perpendicular to both the spin axis and the crosswind direction. Produces a vertical...
Miliradian (Mil)
1/1000 of a radian. Equal to 10 cm at 100 m, 1 m at 1,000 m. Used as the angular unit in...
MOA (Minute of Angle)
1/60 of a degree of arc. Equal to approximately 2.908 cm (1.047 inches) at 100 m. Used in civilian and some law...
Spin Drift
Consistent lateral drift of a bullet in the direction of rifling twist, caused by gyroscopic precession of the bullet's nose around the...

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