-Model Changes between EDMS 4.11 and EDMS 4.12- October 22, 2003 Study Conversion Change Effect GSE Assigned to Aircraft Previously during the study conversion process from version 4.0x to 4.1x, if duplicate or similar GSE assignments to a specific aircraft were found, all entries of the assigned GSE were deleted. Version 4.12 properly leaves one copy behind for each fuel used, which consolidates the duplicate or similar GSE by summing operating times. EDMS now retains more GSE assignments when updating a study created in a previous version and allows for GSE of the same type but using different fuels to be assigned to the same aircraft. Taxiways & Roadways Previously, taxiway travel time was not updated during conversion to agree with the speed or length. Similarly, roadway roundtrip distance was not updated to agree with user-specified coordinates for dispersion analyses. Version 4.12, corrects these oversights……Engine Emissions Previously, the emissions data displayed on the screen would not update properly after the engine was switched for the selected aircraft. Version 4.12 updates the tab’s information following the completion of an engine switch….

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