The pilot may also hold the approach and use the VASI glide slope in location of the electronic glide slope.
The visible technique slope indicator (VASI) is a gadget of lighting fixtures at the aspect of an airport runway threshold that offers visual descent guidance information for the duration of technique.
So basically, the final method repair is whilst you intercept the glideslope at the lightning bolt or after the lightning bolt. Outer marker beacons are usually (however not continually) co-located with the conjunction of intercept altitude and glideslope.For precision methods, the very last technique fix is defined because the flow slope intercept at the posted altitude. this is diagnosed in the chart's profile view by the lightning bolt. For non-precision processes, the final approach restore is recognized via the Maltese pass.
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