INSTALLATION GUIDE - Lockheed Constellation for FS2004 Extract all the files into your FS2004 root folder. The necessary sub-folders will be created automatically. 1) Note on SOUNDS : All the models are set up by default to use the EC-121K sounds. 2) Note on PANEL : All the models are set up by default to use the EC-121K panel. COPYRIGHT INFORMATION These files are freeware. Please amend/distribute as you see fit. They are unsupported, so please do not e-mail us if you have problems. Under no circumstances may these files be sold or uploaded to a payware site or any kind of illegal warez site.