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Understanding Ice and Runway Conditions: A Comprehensive Guide

June 22, 2026 · The Clime Team
Understanding Ice and Runway Conditions: A Comprehensive Guide

Ice and other contaminants on runways pose significant challenges to aviation safety, affecting aircraft performance during takeoff and landing. Understanding these conditions is crucial for pilots to make informed decisions and ensure safe operations.

What Are Runway Condition Codes (RCC)?

Runway Condition Codes (RCC) are numerical values assigned to runway surfaces to indicate their condition. These codes range from 1 to 6, with 6 representing a dry runway and 1 indicating poor conditions such as ice. For example, a RCC of 4 suggests that braking deceleration or directional control is between good and medium. (faraim.org)

How Are Runway Conditions Assessed?

Airport management conducts runway condition assessments, especially on wet runways or those covered with compacted snow and/or ice. These assessments utilize the Runway Condition Assessment Matrix (RCAM), which provides data to complete reports including:

  • Runway(s) in use

  • Time of the assessment

  • Runway condition codes for each zone (touchdown, mid-point, roll-out)

  • Pilot-reported braking action reports (if available)

  • The contaminant (e.g., wet snow, dry snow, slush, ice)

These assessments are crucial for pilots to determine runway suitability and make informed decisions. (faraim.org)

What Is the Runway Condition Assessment Matrix (RCAM)?

The RCAM is a standardized system that categorizes runway conditions based on surface descriptions and corresponding RCC values. It also includes pilot-reported braking action terms, ranging from "good" to "less than poor" or "nil," to describe the quality of braking action experienced during landing. (skybrary.aero)

How Do Pilots Report Braking Action?

Pilots report braking action using standardized terms:

  • Good: Braking deceleration is normal for the wheel braking effort applied, and directional control is normal.

  • Good to Medium: Braking deceleration or directional control is between good and medium.

  • Medium: Braking deceleration or directional control is noticeably reduced.

  • Medium to Poor: Braking deceleration or directional control is between medium and poor.

  • Poor: Braking deceleration or directional control is significantly reduced.

  • Less than Poor/Nil: Braking deceleration is minimal to nonexistent, or directional control is uncertain.

These reports are essential for updating runway condition assessments and ensuring pilot awareness of current runway conditions. (skybrary.aero)

How Does Planes Live Assist Pilots with Runway Condition Assessments?

Planes Live offers real-time runway condition assessments, providing pilots with up-to-date information on runway surfaces, including ice and other contaminants. By integrating data from various sources, Planes Live delivers accurate and timely runway condition reports, enhancing situational awareness and safety.

Conclusion

Understanding ice and runway conditions is vital for aviation safety. Utilizing tools like Planes Live can significantly enhance a pilot's ability to assess runway conditions accurately, leading to safer flight operations.

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