Flight crews are asked to report abnormal ILS, VOR or DME indications or VHF communications during approach and landing.

A0340/26

EST

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SAFSafety Advisories

Flight crews are asked to report abnormal ILS, VOR or DME indications or VHF communications during approach and landing.

2026-11-03 11:24 - 2026-12-03 23:59

Duration:2 months EST

Period of Applicability

2026-11-03 11:24 - 2026-12-03 23:59

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Interpretation

Temporary CNS signal performance monitoring is in progress during staged erection of a trial structure. Flight crews are requested to report to ATC any abnormal or degraded ILS, VOR or DME indications, or VHF communications experienced during approach and landing, including the affected facility or frequency, nature of the anomaly, and approximate position and altitude.

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Raw NOTAM

A0340/26 NOTAMR A0298/26
Q) OBBB/QXXXX/IV/BO/AE/000/999/2616N05038E005
A) OBBI B) 2611031124 C) 2612032359EST
E) TEMPORARY CNS SIGNAL PERFORMANCE MONITORING IN PROGRESS DURING
STAGED ERECTION OF A TRIAL STRUCTURE.FLIGHT CREWS ARE REQUESTED TO
REPORT TO ATC ANY ABNORMAL OR DEGRADED ILS/VOR/DME INDICATIONS OR VHF
COMMUNICATION EXPERIENCED DURING APPROACH AND LANDING,INCLUDING THE
AFFECTED FACILITY OR FREQUENCY,NATURE OF THE ANOMALY,AND
APPROXIMATE POSITION AND ALTITUDE.

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