a number, to be used in the runway condition report (RCR), that describes the effect of the runway surface condition on aeroplane deceleration performance and lateral control, a number describing the runway surface condition to be used in the runway condition report, number, mida kasutatakse raja olukorra teates (RCR) ja millega kirjeldatakse raja olukorra mõju lennuki aeglustumisele pidurdamise ajal ja horisontaalsele juhitavusele