In Fleets Analyzer - Aircraft Events Module, Users are allowed to add/remove columns with Old, New, and Current data points.
New is taking reference to the Event Date.
Current is taking reference to the Current Calendar Date.
Old is referring to the past date prior to the Event Date.
Example: If a user is looking into Sales & Lease Back Transaction Event of an aircraft and they would like to know who is the Manager/Owner before and after the Event. They can add New Manager/Owner & Old Manager/Owner.