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Aircraft Performance Program

DARcorporation is proud to announce a new partnership with ALR Aerospace and RUAG Aerospace Defence Technology to be the exclusive worldwide distributor of the Aircraft Performance Program!

Aircraft Performance Program (APP) was created in 1981, by ALR Aerospace, in association with RUAG Aerospace Defence Technology, as a unique aircraft performance and preliminary design analysis program, using their own design activity of fighters, trainers and light aircraft. APP has since evolved into an aircraft performance analysis tool, unlike anything available in the industry today!

APP computes the complete range of performance parameters over a user-specified range of altitudes, speeds and other variables. The program is designed for simplicity and flexibility in its use and provides the user with useful quick-look (evaluate) functions for the examination of a wide variety of data (e.g. thrust, fuel flow, lift, drag, SEP, turn rate, etc.)

APP will compute most mission profiles based on defined mission specifications. The types of mission flight phases (takeoff, climb, cruise, loiter, descent, etc.) are suitable for civil and military aircraft.

Due to its modular design, APP can be used for nearly all flying vehicles:

  • Millitary Aircraft
  • Commercial Aircraft
  • Unmanned Aerial Vehicles (UAVs)
  • Turboprops
  • Gliders
  • Trainers
  • Business Jets
  • General Aviaton Aircraft

Whether you need to evaluate and compare turn rate of different fighter aircraft, analyze the most efficient cruise conditions of a transport, or the best glide ratio of a powerless glider – due to its optimized numerical capabilities, the program solves performance calculations within seconds. At any time during input and output of data, the user is able to toggle between metric and imperial units.

A mission manager supports mission compilation and definition. Over 25 mission segments may be combined in any order for a full mission profile calculation. An optimizer routine evaluates the maximum range, maximum endurance and maximum operating range. Mission progress for user defined time steps and output parameters are printed to a spreadsheet and visualized with charts.

For performance and mission evaluation, more than 60 output parameters are available. The output format can be changed without re-computation. Charts and spreadsheets may be copied directly into any Microsoft document or saved to file. For increased flexibility, the spreadsheets are compatible with MS Excel file format.

Main Window (Configuration,Results)
Main Window (Configuration,Results)
Automatically Generated Standard SEP-Chart
Automatically Generated Standard SEP-Chart
Point Performance Output (Specific Range)
Point Performance Output (Specific Range)
Mission Setup and Results
Mission Setup and Results

POINT PERFORMANCE

  • Acceleration
  • Climb
  • Cruise
  • Maneuver
  • Maximum Speed
  • Stall Speed
  • Specific Excess Power (SEP)
  • Takeoff Acceleration

MISSION PERFORMANCE

  • Acceleration
  • Climb
  • Climb at Best Angle
  • Climb at Best Rate
  • Climb at CAS
  • Climb at EAS
  • Climb at Constant Mach
  • Cruise at Best SR Cruise at Mach
  • Cruise at Optimum Altitude and Mach
  • Deceleration
  • Descent
  • Descent at No Credit
  • Energy Exchange
  • Ground Operation
  • Initial Settings
  • Landing Roll
  • Loiter
  • Loiter at best FF
  • Maneuver at Constant Load Factor
  • Maneuver at Maximum Load Factor
  • Refuel
  • Reset Mach
  • Reset Altitude
  • Store Drop
  • Take-off
  • Tank Drop

MISSION OPTIMIZER

  • Range Optimization
  • Endurance Optimization
  • Radius of Action

STANDARD PERFORMANCE CHARTS

  • Sustained Load Factor Envelope
  • Turn Rate at Constant SEP
  • Turn Rate at Constant Altitude
  • Turn Rate at Constant Acceleration
  • Specific Excess Power Chart
  • Thrust and Drag Chart

Aircraft Performance Program is a valuable tool for small design teams and large aerospace companies. The latter will find it effective for producing quick assessments without having to resort to their own large, but very expensive, computer programs. Operators, research establishments, universities, government agencies and air forces will use it as a very cost-effective tool by avoiding expensive and lengthy subcontracting in many phases of their work. APP is the perfect solution for:

  • Practical and theoretical performance analysis
  • Concept development and detail design
  • Competitor performance analysis
  • Flight test and Certification support
  • Flight handbooks, Performance and Marketing brochures
  • University teaching and instruction

Aircraft Performance Program works in metric and British units and is able to switch during program execution to either system. This feature allows a rapid conversion of results into either system of units.

Software License and Evaluation

Aircraft Performance Program (APP) purchase includes CD-ROM, WIBU-Key, user's manual and 12-months software maintenance (technical support, service releases and upgrades). We offer educational and multiple license discounts.

We also offer a trial version of APP that is limited to 30 days. After you download the software, you must Extract the Zip-File into a folder and run Setup.exe. Due to America Online's network procedures, AOL users may not be able to download APP. Please click here to request software pricing and evaluation.

View a quick introduction to APP (pdf)

APP Color Brochure

Minimum System Requirements:

  • Pentium II CPU
  • WIN: 95/98/NT/2000/XP
  • 32 MB RAM
  • 20 MB Hard Disk Space