"WW I SERIES. THE EAGLE OF THE ALPS." 
This is the demo version (10 of 12 aeroplanes disabled). 
MS COMBAT FLIGHT SIMULATOR 
HIGH TECH ADD-ONS 
Features of add-ons include: 
The most detailed aircraft ever made for flight simulator. They have been painstakingly created and modified to provide the true atmosphere of that era. 
Flight dynamics, weapon systems, crash and damage models have been accurately modeled and they are absolutely authentic! 
Best add-on for Microsoft Combat Flight Simulator or Microsoft Flight Simulator 98. 
You can  exciting white knuckle combat missions flying through the hell! 
Quick and easy automatic installation process. Download full version "WW I SERIES. THE EAGLE OF THE ALPS." from http://www.topnet.co.il/isa/Combat.htm