Perhaps a question for the real pilots out there.
Some planes, such as this beautiful Beechcraft 18 (Milton Shupe's, adapted for FSX by Vladimir Gonchar), have an ILS gauge which requires that the correct ILS heading be dialed in, or it will give your erroneous ILS commands. This airport is a good example. Snohomish County airport (KPAE) has an ILS on runway 16R, the bearing for which is 179 degrees, which is the runway true heading.
But, some ILS gauges don't have a bearing setting. They just receive the ILS signals and place the needles accordingly. So is this a matter of gauge technology? The older gauges were the ones you had to set to the correct heading? If not, what is the point of having a “have to set” gauge? What advantage does it provide?
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