The mast’s bottom obstacle light at Mount William is not changing from white to red at night.

U6451/26

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OBSObstacle Lighting

2026-07-29 18:56 - 2026-08-31 23:59

Duration:2 months

Period of Applicability

2026-07-29 18:56 - 2026-08-31 23:59

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Interpretation

At night, the bottom obstacle light on the mast at Mount William, Stanley, position 514200S 0575600W, is not changing from white to red.

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Raw NOTAM

U6451/26 NOTAMN
Q) SAVF/QOLXX/IV/M  /AE/000/015/5142S05756W001
A) SFAL B) 2607291856 C) 2608312359
E) OBST LGT ON MAST PSN 514200S 0575600W (MOUNT WILLIAM, STANLEY)
BOTTOM LIGHT AT NIGHT IS NOT CHANGING TO RED FM WHITE.

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