FlightSim Tools reports that there now is an upgrade available of their Contrails Pro, bringing it up to Version 1.03. “….. The update corrects several display problems. Contrails Pro is a module for FSX and FS9 that adds realistic contrails to AI aircraft. It allows displaying contrails in unprecedented detail while keeping high frame rates. For more information and a free demo version, please visit the product page here on simMarket. The upgrade is available on that page too, for existing customers.