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MARWIS - Mobile Sensor for Runway Condition Assessment - ICAO GRF compliant

Reliable Data. Confident Decisions. Safe Runways. We provide accurate runway conditions reports, that comply with the new in ICAO-compliant Global Reporting Format (GRF), to enhance runway safety and expand efficiency in your airport operations.

With reliable and proven data from the mobile runway condition sensor MARWIS and the ViewMondo RCAM software, airports around the world are keeping their runways safe with minimal effort – RCAM stands for Runway Condition Assessment Matrix. The software also supports airport operators in staying compliant with the latest ICAO GRF regulations by providing the Runway Condition Report (RCR) in the ICAO GRF format as well as a SNOWTAM report based on the Measurement Drive.

Would you like to know more? Get your DEMO now!

  • Road condition (dry, moist, wet, ice, snow, slush, chemically wet), road surface temperature, ambient temperature, water film height up to 6mm, dew point temperature, relative humidity, ice percentage, friction (calculated), Runway Condition Code (RCC)
  • Digital Runway Condition Report (RCR) and SNOWTAM report workflow; ICAO GRF compliant; easy and fast access to data and results
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Advantages of the mobile runway assessment sensor MARWIS and the ViewMondo RCAM Software:


  • Easy data transfer via Bluetooth, RS485 or CAN-Bus
  • Dynamic mobile data in real-time and 100 times per second and a max. output rate of 10Hz
  • Easy to install and clean
  • Free MARWIS app for calibration, data view as well as transfer available on Google Play and iTunes


  • Intuitive and easy-to-follow digital workflow for Runway Condition Report and SNOWTAM creation based on ICAO GRF format
  • Clear display of stationary and mobile measuring devices on a map or in a list
  • Including option to create password-protected access and restricted user profiles for high safety
  • Measurement data analysis overview in clear diagrams
  • Various evaluations and reports in chosen periods, such as critical hours, minimum and maximum values possible
  • Always up to date through cloud hosting

Do you want to convince yourself in a Live Demo? Get in contact with us!

Request a Live Demo or more information

More information about our ICAO GRF compliant Mobile Runway Assessment Solution:

You can find statements from our customers, background information about ICAO GRF, the mobile runway sensor MARWIS and our software solution on our ICAO GRF Landing Page:


Android APK from other sources than Google Play Store - MARWIS
EU declaration of conformity - Lufft MARWIS and StaRWIS
EU declaration of conformity - Lufft MARWIS and StaRWIS
Firmware - Lufft - MARWIS / StaRWIS
Version 44
Manual - Lufft - MARWIS (EN)
Manual - Lufft UMB Protocol (EN)
Manual MARWIS iOS App (EN)
Manual MARWIS iOS App (EN)
RoHS - Declaration of Conformity / Konformitätserklärung - MARWIS / StaRWIS
Software - Lufft - ConfigTool .NET
Version 1.6
Whitepaper - Road Weather Selection Guide
The Whole World of Road Weather Monitoring
Video - Lufft: a passion for precision (Corporate Video)
Video - MARWIS iPad App for mobile road sensor MARWIS
Video - MARWIS on Tour - The mobile weather sensor from Lufft - Product movie
Video - MARWIS Tutorial: From installation to start-up | First Steps
Download as PDF
Dimensions Height approx. 110 mm, width approx. 200 mm, depth approx. 100 mm
Weight 1.7 kg
Admissible storage temperature -40...70 °C
Operating rel. humidity <95 % relative humidity non-condensing
Operating voltage 10...28 VDC on the sensor
Power consumption Approx. 3VA without heating, 50VA with heating
Operating temperature -40...60 °C
Operating rel. humidity 0...100 % RH
Protection type IP68
Surface conditions Dry, damp, wet, snow-/ice-covered, chemically wet, slush
Admissible height above absolute altitude 3000 m
Interface RS485, 2 wire, half duplex, bluetooth, CAN
Road surface temperature
Principle Optical
Measuring range -40...70 °C
Unit °C
Accuracy ± 0.8 °C @ 0 °C
Resolution 0.1 °C
Ambient temperature
Measuring range -50...70 °C (°F switchable)
Unit °C (°F switchable)
Resolution 0.1 °C
Relative air humidity
Measuring range 0...100 %
Unit %
Resolution 1 %
Principle passive, calculated out of air temperature and humidity
Relative humidity above road surface
Measuring range 0 ... 100 %
Unit %
Resolution 0.1 %
Principle passive, calculated out of air temperature and humidity above road surface
Dew point temperature
Measuring range -50 ... 60 °C
Unit °C
Resolution 0.1 °C
Principle passive, calculated out of air temperature and humidity
Accuracy 1.5 °C @ temperature of 0...35 °C
Waterfilm film height
Principle Optical
Measuring range 0 ... 6000 µm
Max. WFH is only achieved with concrete underground. For asphalt, the maximum measurable water film height is smaller and depends on the distance to the ground.
Unit µm
Resolution 1 µm
Accuracy 10%
Ice Percentage
Measuring range 0 ... 100 %
Unit %
Resolution 1%
Measuring range 0...1
Resolution 0.01
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