SECTOR ANCHORAGE, TERRITORIAL SEA - SECTOR ANCHORAGE, SUBMERGED LAND ACT (SLA)
General / Hazards To Navigation / Obstructions
Location: 54-07.71N 165-46.38W An unknown marine anomaly was discovered during underwater survey operations in Akutan Harbor in this position on the sea floor in approximately 138 feet. This anomaly has not been positively identified and mariners are requested to transit the area with caution.
Valid 2024-10-28 to 2026-10-28.
USCG Arctic District Local Notice to Mariners 40/2026