This is what it's missing on the information.... Air Austral is a French airline with its headquarters at Roland Garros Airport in Sainte-Marie, R%u00E9union, France.
This will make a folder in FS9 Scenery (no explanation for FSX) then what? move the 2 folder to FSX Scenery and it work? or it will be a conflict with the install system. (will be very helpfully if you add on the "note" for the FSX user where to set the 2 folder. Thanks for a "look a real wonderful add on"