Instrument Flight Rules Primary Flight Display Threshold 
Professional Pilot
APRIL 3, 2025
Under visual flight rules (VFR) during daytime, a pilot can operate with only basic gauges: an airspeed indicator, altimeter, compass, fuel gauges for each tank, and oil temperature, pressure, and engine RPM readings. The 91.205 minimum equipment rule is very rudimentary, and most aircraft today exceed these requirements.
Pilot Institute
FEBRUARY 15, 2025
Theyre especially useful for airports that dont have the budget or suitable terrain to install an Instrument Landing System (ILS). This makes more airports accessible under Instrument Flight Rules (IFR). Otherwise, the airport would have to suspend flight operations in poor visibility. Follow altitude restrictions.
Expert insights. Personalized for you.
40 
Let's personalize your content