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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 consists of one or more pitot tubes and static ports.

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Getting Back in the Air

Plane and Pilot

The 172 has a steerable nosewheel, much heavier than the rudders on my RV-9A with a castering nosewheel. The plan was to shoot an instrument landing system (ILS) at the military airport next door, but clearance delivery told us they were landing the other direction. Hmm, OK, how about the LPV approach?