A VORTAC is simply a VOR with a co-located tactical air navigation system (TACAN), which is a navigation system used by military aircraft. Both VOR and VORTAC navaids can be used by general ...

Many airports that previously could not afford the cost of hosting a VOR or VORTAC (combined VOR and TACAN) or the equipment for an ILS (Instrument Landing System - a much more precise landing aid ...