Flight Tests for Hybrid Electric Aircrafts

The Challenge

Politicians and society call for carbon-free air travel to counteract global warming. Brand-new propulsion concepts have been developed that now require extensive testing to match or even surpass the safety of traditional systems. Battery electric concepts work well for air taxis with few passengers. For larger aircrafts, the insufficient energy density of batteries favors hybrid concepts with combustion and electric engines. IPETRONIK measurement technology plays a vital role in the flight testing of a test aircraft with one combustion turbine and four electric motors.


  • Optimal connection of various IPETRONIK and 3rd party measurement modules
  • IPETRONIK data loggers for data acquisition and analysis
  • Monitoring and analysis of ARINC 429 & ARINC 825/CAN signals
  • Harsh environment close to the turbines and motors (-40 … +85 °C)

The Solution

With the IPElog2, IPETRONIK has developed a tailor-made product for fleet and flight testing. The measurement modules can be connected to the logger via CAN or Ethernet. The data are processed with the software IPEmotion RT and transferred to external data nodes and to the ground station, i.a. via telemetry. All sensor systems, measurement data, and digital bus systems are available time-synchronously within one environment, guaranteeing the full utilization of the test aircraft flight time.

The Advantages

  • IPETRONIK data loggers have been developed for harsh environments
  • Decentralized measurement module architecture for short cabling distances to the sensors
  • Optimal compatibility with 3rd party data loggers and measurement systems


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