GNSS is unreliable at the aerodrome and all GNSS-based RNAV and GLS procedures for runways 05/23 are unavailable due to GBAS failure.

G0539/25

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Navigation Aid Status

2025-09-18 08:30 - 2025-12-21 23:59

Period of Applicability

2025-09-18 08:30 - 2025-12-21 23:59

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Interpretation

GNSS operation is unreliable within the aerodrome area; RNAV(GNSS) approaches, RNAV SIDs/STARs, and GLS procedures for runways 05/23 are not available due to GBAS channels 20826 and 20415 failure.

Message

GNSS OPERATION UNRELIABLE WI AD AREA. RNAV(GNSS), SID/STAR RNAV(GNSS), GLS 05/23 PROC NOT AVBL DUE TO GBAS CH20826, CH20415 FAILURE.

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Raw NOTAM

G0539/25 NOTAMR G0279/25
Q) UUWV/QGWAU/I/NBO/EA/000/999/5733N04010E150
A) UUDL B) 2509180830 C) 2512212359
E) GNSS OPERATION UNRELIABLE WI AD AREA.
RNAV(GNSS), SID/STAR RNAV(GNSS), GLS 05/23 PROC NOT AVBL DUE TO
GBAS CH20826, CH20415 FAILURE.

Issued about 1 month ago

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