On Wednesday, you may have noticed a plane outfitted with test equipment flying along a path near RDU airport. This FAA check flight was validating recent maintenance of the Instrument Landing System ...

The ILS Runway 15 approach at Ted Stevens Anchorage International Airport (PANC) uniquely requires DME for final approach fix identification and incorporates DME arcs for initial approach segments, ...

An instrument landing system (ILS) uses two separate ground-based radio transmitters to provide both lateral and vertical guidance to pilots during an instrument approach procedure that normally ...

Except in dire emergencies the pilots of U.S. commercial jets are far too cautious to try blind landings with zero-zero visibility. When weather conditions at their target runways are worse than 200-½ ...