Aircraft Performance Program New Releases

NEW RELEASE: APP Release 5.10.3.1

Aircraft Performance Program 5.10.3.1 contains updates, fixes and added features which are listed below. A complete listing of changes can be downloaded from APP 5.10 Release Notes December 2011.

• General: Added Lift-to-Drag Radio chart
• General: Improved accuracy for off-ISA atmosphere model
• General: Improved error messages for mission optimization
• Fix: Coefficient of Drag output variable adjusted to include auto-drop tanks

• General: “Copy Project from File” shows both mission (*.apm) and project (*.app) files
• General: New output variables for the components CD0, CDi and CDs of the drag coefficient
• General: Added output of CO2 emissions to mission calculation
• General: Added chart in aerodynamics file that shows the total drag polars
• General: Improvements in the optimal climb segments
• General: Changed default power setting for the ground operations segment to 0%
• General: Reduced default time-step for descent segment
• Fix: Better error message for optimal climb segments

• General: General revision of the code
• General: Improvements in the mission calculation logic
• General: Added help menu items for manual and technical reference PDFs
• General: “Copy Project from File” now also accepts mission files
• Fix: SEP and G-Envelope chart initialization corrected
• Fix: Corrected output of drag values in mission calculations related to landing gear drag

• General: ‘Save as’ always active
• General: Minor code-internal adaptation in the general flight physics calculations as CAS prediction
• General: Implementation of function key F5 activation to run calculations
• General: Added functionality in the mission optimizer calculations to allow to set fuel mass at end of mission instead of fuel percentage at end of mission as the target parameter
• General: Minor changes in the GUI regarding window dimensions and re-size
• General: Adaptation in the optimized climb and cruise segments
• General: Error messages adapted
• General: CLo label for input of CL values at minimum drag in the drag polar changed into DCL
• Fix: Landing Roll Segment corrected
• Driver Update: WIBU-Key protection implemented

• General: Minor code-internal adaptation in the atmosphere calculations and unit conversion
• Driver Update: New HASP driver implemented

• General: Landing Roll Segment Added
• General: Restructuring of program structure (executable, libraries)

• General: Adaptation to enhance Stall speed prediction accuracy.
• General: Adaptation in the numerical and display integration of the used units (SI, imperial). Force and speed units edited
• General: Minor GUI adaptions
• General: Restructuring of the calculation source code. Calculation routines are now located directly in executable
• Fix: Problems with the sheets/chart calculations & display solved
• Fix: Definition/handling bug in the generation and display of sheet and chart elements fixed
• Fix: Correction of Problems with the Thrust-File-Display caused by data type inconsistencies
• Driver Update: Newest HASP-Software protection key implemented