UKMTO Advisory 152-26 · vessel complied and turned back

Oil tanker incident

Unidentified tanker — IRGC threat forces Hormuz turnback

5 October 2026 · 08:27 UTC

About 11 nautical miles north of Khasab, Oman

26.3700, 56.2500

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What happened

The master of an unidentified tanker transiting inbound about 11 nautical miles north of Khasab reported being hailed by Iran's Islamic Revolutionary Guard Corps and ordered to turn back or the vessel would be targeted. The master complied. UKMTO Advisory 152-26 did not report a projectile launch, impact, casualty, damage or pollution, so this is recorded as a coercive shipping disruption rather than a completed attack. The warning did not identify the vessel, flag, owner, cargo or precise position.

When cited sources give different casualty, damage or spill figures for this event, they’re reported side by side above rather than merged into one number. See how confidence levels work.

Vessel / facility
Unidentified tanker
Cargo
Not disclosed
Attack
IRGC radio threat; inbound tanker ordered to turn back or be targeted
Weather context
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Latitude
26.3700°
Longitude
56.2500°

Attribution

Acknowledged by Iran's Islamic Revolutionary Guard Corps🇮🇷

UKMTO attributed the radio hail and threat directly to the IRGC.

Approximate marker calculated from UKMTO's stated distance north of Khasab. No exact coordinate or vessel identity was published.

Sources

  1. UKMTO Advisory 152-26 — tanker ordered to turn back or be targetedUnited Kingdom Maritime Trade Operations · Incident confirmation
  2. More tankers hit in Hormuz as IRGC orders ship to turn backgCaptain · Attribution reporting