Solar storm or poor signal quality can force a downgrade past minimums.

Pilots must navigate rules for using GPS info as a substitute means of navigation to stay legal.

A fatal Cirrus SR22 accident in Bar Harbor, Maine, was significantly impacted by the pilot's choice to fly an ILS approach instead of an RNAV (GPS) approach under marginal weather and operational ...

Austrian conducted an RNP RNAV approach – the first in Europe – to Innsbruck’s runway 26 in June. “This [new approach procedure] enables substantially improved and safer course guidance, especially in ...

Example circling maneuver at Boire Field, New Hampshire. Author graphic In Part 1, we discussed the classic simulator circling check and the “Part 142” excuse. You might think the odds are stacked ...