Old-school approach and circling procedures must be navigated to reach Purdue University Airport.

The FAA plans to decommission 736 NDB and VOR/DME instrument approaches as it transitions to satellite-based (RNAV) navigation. This decision is due to the unsustainability and complexity of ...

VOR (Very High Frequency Omni-Directional Range) stations are ground-based navigation aids that use radio signals to provide course guidance for aircraft, a technology in use since the 1930s. Though ...

GPS navigators calculate magnetic declination dynamically, causing course numbers to differ by a few degrees from the fixed values on FAA RNAV approach charts. This discrepancy is not a safety issue ...