ATS unit to inform aircraft crews about runway surface and RVR changes.

A3976/25

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Airspace Changes

2025-06-05 01:54 - 2025-09-05 23:59

Period of Applicability

2025-06-05 01:54 - 2025-09-05 23:59

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Interpretation

The ATS unit is required to inform aircraft crews as soon as possible about changes in runway surface conditions and RVR changes when they reach specified thresholds.

Message

REF AIP PAGE AD 2.1 UHSS-19 AD 2.23 ADD INFO: ITEM INFORMATION BROADCAST. ATS UNIT IS TO INFORM ACFT CREW ASAP ABOUT: A. CHANGES IN RWY SFC CONDITION. B. RVR CHANGE, WHEN IT ATTAINS OR BECOMES LESS (M...

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Raw NOTAM

A3976/25 NOTAMR A1270/25
Q) UHHH/QFAXX/IV/NBO/A/000/999/4653N14243E025
A) UHSS B) 2506050154 C) 2509052359 EST
E) REF AIP PAGE AD 2.1 UHSS-19 AD 2.23 ADD INFO:
ITEM INFORMATION BROADCAST.
ATS UNIT IS TO INFORM ACFT CREW ASAP ABOUT:
A. CHANGES IN RWY SFC CONDITION.
B. RVR CHANGE, WHEN IT ATTAINS OR BECOMES LESS (MORE) THAN 800M,
   600M, 550M, 350M, 150M AT LEAST IN ONE OF FLW POINTS: TDZ, MID
   OR END.
   ATS UNIT SHALL TRANSMIT RVR IN THE SAME SEQUENCE.
C. CHANGE OF BKN OR OVC CEILING (VERTICAL VIS), WHEN THEIR VALUE
   ATTAINS OR BECOMES LESS (MORE) THAN 300M, 150M, 60M, 30M.
D. UNFAVORABLE WX CONDITIONS.
E. CHANGES OF WIND DIRECTION AND SPEED AT GROUND LEVEL, INCLUDING
   WIND GUSTS.

Issued about 1 month ago

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