Practice question

Under the ICAO Global Reporting Format (GRF) for runway surface condition assessment, what code scale is transmitted to pilots via ATIS and ATC radiotelephony?

  1. Friction coefficient values expressed from 0.00 to 1.00 solely
  2. Runway Condition Code (RWYCC) ranging from 0 (poor/nil braking) to 6 (dry)
  3. Braking action letter grades: A, B, C, D, E
  4. Water depth index measured in inches from 1 to 10

Answer: B — Runway Condition Code (RWYCC) ranging from 0 (poor/nil braking) to 6 (dry)

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