Access
Highway to Chamonix. There's a parking at the cable car station. Take the cable car to the intermediate station (Plan de l'Aiguille) : http://www.chamonix.com/aiguille-du-midi-step-into-the-void,80,en.html
From the landings, you can reach the lowr cable car station by foot, ~15mn.
Rules
Forbidden Jully and August !!!
>> July-August: be aware of no-fly-zone on south side of Chamonix (Mont Blanc -Aiguille du Midi)! (> see pix)
>> LF R-30A active year round!! (> see pix!)
WEATHER
There are often very(!) strong thermal conditions. The wind can rise very quickly in the valley. Welcome to the mountains !