Electronic interference with commercial ship navigation systems has surged in recent days around the Strait of Hormuz and the wider Gulf, which is having an impact on vessels sailing through the region.

In the past, Iran has threatened to close the critical Strait of Hormuz to traffic in retaliation for Western pressure. Any closure of the strait could restrict trade and impact global oil prices.

“JMIC continue to receive reports of electronic interference stemming from the vicinity of Port of Bandar Abbas [in Iran], in the SoH and several other areas in the Arabian Gulf,” the multinational, US-led Combined Maritime Forces’ JMIC information centre said in an advisory.

“These interferences, which continue to intensify throughout the region, are having significant impact within the Gulf itself. This disruption is affecting vessels’ ability to accurately transmit positional data via automated identification systems [AIS], posing operational and navigational challenges for maritime traffic.”

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