New class names and definitions, effective January 1, 2008:
A – Unlimited experience, unlimited equipment
B – Unlimited experience; unlimited distance measuring, timing and calculating devices, but no more than 2 may be interconnected.
C – Unlimited experience, unlimited stand-alone timing equipment,
and either of the following but not both:
1) Unlimited distance-measuring equipment, but no cumulative calculators, Or
2) Stock odometer, but unlimited calculating devices.
D – A beginner class – no person in the vehicle has competed in ten or more Navigational (Time-Speed-Distance) rallies, nor has won more than three Navigational (Time-Speed-Distance) rally trophies. The Class C equipment limitations also apply.