If you do not want to use to many CFS2 Installs to be able to safe Hardrive space you can always do this.
If you know how to use the ACman you can the same through different war Era Hangars. For example you can place a folder inside of the ACman new Hangar and call it A1 ETO 1939-1942 and a diffrenent Folder inside at a different new Folder A1 ETO 1943-45 and so an. Then place the appropiate AC inside this new Hangars. If you are a observing person you will have noted that I wrote AI infront on the Folder with name of the Hangar. The reason is that this way the new name Aircraft Hangar Folder named will show up in top of the Aircraft folder name at the top list. This way you can idenfity the new Hangar every time you active the ACman Utility.
You can obtain the ACman Utility here
http://fly.to/mwgfxA WORD OF CAUTION
When you use the Acman and create a new Hangar you need to include the stock planes. What you can do is to make a New Folder and place a copy of the Stock planes in it. When you make the new Hangar just copy the stock planes from this Folder. Remember also that you are limit to 95 to 100 planes per Hangar. You do get up to18 Hangar with this program.
This way you can safe space in your Hardrive and accomplish the same result of having different Era in the same Install!
My secound recommendation is for you to install this utility from Sim-outhouse that will allow you to change planes and ships with in a Miision and Campaigns in secounds.
It also will give the ability to change whole planes Hangars and convert them into Ai Bandits in Quick mission.
This way you do not have activate plane after planes manualy. Its call mk_cfs2_uti2v.zip
2.
http://www.sim-outhouse.com/index.php?loc=downloads&page=downloads&FileType=cfs2...
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