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GM1 MET.TR.210(c)(5)(ii)(B) Observing meteorological elements

ED Decision 2022/004/R

RUNWAY VISUAL RANGE (RVR) โ€” AVERAGING

A marked discontinuity occurs when there is an abrupt and sustained change in RVR, lasting at least 2ย minutes, which reaches or passes through the values 800, 550, 300 and 175ย m.