okay.firstly,bin the rubbish default planes.
Goto
www.meljet.com and get yourself a nice b777-200er and a 747-400.Flight dynamics are alot better,handle more realistically.
Okay..planning you flight..plan it as normal..and go into the map section where the red line is showing your route. scroll along to the end / destination airport.zoom in until you can see ils/localiser.
Click on the red line and drag it over the localiser,then unclick.the line will now route directly from departure airport,to localiser..to destination airport.You can also change routing along the way using the clicking on the red line method.Try an easy flight like VHHH-WSSS,line up for 02L ILS approach,and try and land it manually.