lead chart

lead chart

[′lēd ‚chärt]
(ordnance)
A chart or table giving the leads necessary to strike a moving target under various conditions, such as the distance to the target and its speed and direction of travel.
References in periodicals archive ?
1 percent in 2010, based on the results of the Pennsylvania System of School Assessment tests (see the lead chart for the Education goal).
If we lead Chart King, I'll be very confident of beating him.