visual decent point, instument approach?

Answer 1

I will start with instrument approach. This is a instrument let-down pattern whereby an aircraft is directed to its intended landing field. This consists of approach based on the homed radio signals and by flying onto the signals..

The visual descent point is part of an intrument approach and is the point where the pilot converts from his instrument to a visual approach, that is he must have the airfield in his sight. Otherwise he goes around without decsending and maybe do another pattern or if weather does not permit him to see the field, diverts to another place.