Remove Descent Remove Pitot Tube Remove VOR
article thumbnail

The Six Pack: Basic Flight Instruments

Pilot Institute

The Heading Indicator should not be confused with the Horizontal Situation Indicator (HSI), which is an evolution of the Heading Indicator that includes VHF Omnidirectional Range (VOR) and Instrument Landing System (ILS) indications. The pitot-static system is used to measure the static and dynamic pressure of the air during flight.