Pilot braking reports and runway condition assessment

RunwaySense meets ICAO Global Report Format from November 2020

How does it work?

RunwaySense is a web-based platform where airspace users share runway condition reports in real-time to better understand how the runway condition is trending, and to allow the airport to anticipate and mitigate slippery conditions.

RunwaySense uses data generated by the Braking Action Computation Function (“BACF+”) to determine how the runway condition is trending. The principal of BACF+ is to use the data measured by the aircraft during its deceleration roll to identify the braking action level from DRY to POOR at different points of the runway.  BACF+ integration is certified by the European Aviation Safety Agency (EASA) in June 2018, and available on A320 family aircraft. BACF is certified on A330. A Controlled Entry Into Service will be performed in 2020

Runway condition reports can be obtained via 3 channels:

  • MCDU page – A few seconds after the aircraft speed has decreased below 30kts, details about the runway state become available to the pilot on a dedicated MCDU page.
  • RunwaySense web-service platform – NAVBLUE will collect and display the results on a web-service platform.
  • RunwaySense on-demand – RunwaySense can also be integrated into your own airport and flight following tools using an API.


  1. Improve runway safety

    Runway Excursions (RE) are a major cause of accidents at airports. IATA data show that 25% of them occur on contaminated runways. Measuring the runway condition is therefore a key element in preventing RE events.

  2. ICAO Global Reporting Format

    RunwaySense meets the ICAO Global Reporting Format requirements by using TALPA compliant runway condition reports.

  3. Unique data source

    Only NAVBLUE can identify the braking action level based on Airbus aircraft performance models.

  4. Real-time reports

    Access real-time data to better understand how the runway condition is trending to anticipate and mitigate slippery conditions.

  5. Multi-channel deliveries

    Choose the method of receiving RunwaySense reports that best meets your operational requirements.

facts & figures

880+ aircraft have committed to install BACF+, from airlines based in Europe, North and South America, India, China and Africa


Capt. Karl Wilhelmson
Fleet Chief Pilot A320, Scandinavian Airlines

“SAS has installed the BACF system in our Airbus fleet to use RunwaySense as a means to increase pilot awareness of actual vs. predicted runway conditions and thus, to enhance operational safety. Furthermore, the system offers possibilities to, on a strategic scale, increase cooperation between manufacturers, operators and airports, especially with the introduction of the Global Reporting Format and standardized use of Runway Condition Codes. We at SAS are looking forward to a full use of both these aspects of the BACF and RunwaySense systems and so far we are happy with the results. I hope that we will see more of this kind of effective and efficient use of data and systems to increase safety in airline operations.”

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