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The pilot of an aircraft approaching UUDY asks ATC for the latest RVR. Based on the current METAR, what is the controller’s response?
UUDY 291200Z 14006G11MPS 0600 R14/1400U FG SCT010 OVC020 03/M04 Q1003.
  • A
    RVR runway one four 1400 meter upward tendency
  • B
    RVR runway one four 1400 meter unchanged
  • C
    RVR runway one four 1400 meter will rise during next 2 hours
  • D
    RVR runway one four 1400 meter doward tendency
UUDY 291200Z 14006G11MPS 0600 R14/1400U FG SCT010 OVC020 03/M04 Q1003
  • R14/1400U - RVR for runway 14 is 1400 m with an increasing tendency.
Runway Visual Range (RVR) is the range over which the pilot of an aircraft on the centre line of a runway can see the runway surface markings or the lights delineating the runway or identifying its centre line.
Prefix Definition Example
M If visibility is less than the lowest reportable RVR value. R36/M0600 = indicates the RVR for runway 36 is less than 600 m.
P if visibility is greater than the highest reportable value R36/P6000 = indicates the RVR for runway 36 is greater than 6000 m.
V When RVR varies by more than one reportable value over a 10-minute period, the lowest and highest values are paired with a "V" between them. R36/1100V1500 = indicates the RVR for runway 36 is varying between 1100 m and 1500 m.
Suffix "D" - denotes decreasing tendency
Suffix "U" - indicates increasing tendency
Suffix "N" - no tendency
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