AIP page AD 2.1 UNTT-19 weather-reporting criteria are amended.

A6435/26

PERM

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ADMPublication Updates

2026-09-16 06:00 - PERM

Duration:PERMANENT

Period of Applicability

2026-09-16 06:00 - PERM

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Interpretation

AIP page AD 2.1 UNTT-19, hyphens 3, 4, and 5, is amended to state that reports are issued when meteorological optical range improves and changes to or passes through 800, 1,500, 3,000, or 5,000 metres; runway visual range improves and changes to or passes through 200, 300, 550, or 800 metres; or the base of the lowest BKN or OVC cloud layer lifts and changes to or passes through 30, 60, 150, 300, or 450 metres, replacing the published text.

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Raw NOTAM

A6435/26 NOTAMR A3399/26
Q)UNNT/QFAXX/IV/NBO/A/000/999/5623N08513E005
A)UNTT B)2609160600 C)PERM
E)REF AIP PAGE AD 2.1 UNTT-19
HYPHENS 3,4,5 TO READ:
- METEOROLOGICAL OPTICAL RANGE IS IMPROVING AND CHANGES TO OR
PASSES THROUGH ONE OF THE FOLLOWING VALUES: 800M, 1500M, 3000M
OR 5000M,
- RUNWAY VISUAL RANGE IS IMPROVING AND CHANGES TO OR PASSES THROUGH
ONE OF THE FOLLOWING VALUES: 200M, 300M, 550M, OR 800 M,
- HEIGHT OF BASE OF THE LOWEST CLOUD LAYER OF BKN CLOUDS OR OVC IS
LIFTING AND CHANGES TO OR PASSES THROUGH ONE OF THE FOLLOWING
VALUES: 30M, 60M, 150M, 300M OR 450M.
INSTEAD OF PUBLISHED.

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