09/366
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OBSObstacle Lighting

Obstacle tower lighting northwest of DCA is unserviceable.

2026-09-13 11:10 - 2026-11-13 23:59
Duration:3 months

Period of Applicability

2026-09-13 11:10 - 2026-11-13 23:59

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Interpretation

The lighting on an obstacle tower of unknown ASR number, located at 385513.00N 0771347.00W, 9.2 NM northwest of DCA, is unserviceable; the tower is 530 feet AGL and its overall elevation is unknown.

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Message

OBST TOWER LGT (ASR UNKNOWN) 385513.00N0771347.00W (9.2NM NW DCA) UNKNOWN (530FT AGL) U/S

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